feat: Update skills for n8n-mcp unified tool API (v1.1.0)

BREAKING: Updated all skills to reflect n8n-mcp tool consolidation:

## Tool API Changes
- get_node_essentials → get_node({detail: "standard"})
- get_node_info → get_node({detail: "full"})
- get_node_documentation → get_node({mode: "docs"})
- search_node_properties → get_node({mode: "search_properties"})
- validate_node_minimal → validate_node({mode: "minimal"})
- validate_node_operation → validate_node({mode: "full"})
- get_property_dependencies → REMOVED (use get_node modes)

## New Features Documented
- Workflow activation via API (activateWorkflow/deactivateWorkflow operations)
- n8n_deploy_template - deploy templates directly to n8n
- n8n_workflow_versions - version history and rollback
- n8n_test_workflow - trigger execution
- n8n_executions - manage executions
- Smart parameters (branch, case) for IF/Switch connections
- Intent parameter for better AI responses

## Documentation Updates
- Added YouTube video introduction with thumbnail
- Added GitHub stars badge (1.2k milestone)
- Added build.sh script for dist packaging
- Fixed "5 skills" → "7 skills" inconsistency in README

## Files Updated
- n8n-mcp-tools-expert: Complete rewrite of SKILL.md, SEARCH_GUIDE.md,
  VALIDATION_GUIDE.md, WORKFLOW_GUIDE.md
- n8n-node-configuration: Updated SKILL.md, DEPENDENCIES.md
- n8n-validation-expert: Updated SKILL.md, ERROR_CATALOG.md, FALSE_POSITIVES.md
- n8n-workflow-patterns: Updated SKILL.md, README.md
- README.md, CLAUDE.md: Modernized documentation

Conceived by Romuald Członkowski - www.aiadvisors.pl/en

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Romuald Członkowski
2026-01-08 15:37:57 +01:00
parent ec350daa6e
commit d9c2872029
27 changed files with 2393 additions and 610 deletions

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@@ -1,6 +1,6 @@
{
"name": "n8n-mcp-skills",
"version": "1.0.0",
"version": "1.1.0",
"description": "Expert skills for building n8n workflows with n8n-mcp",
"author": {
"name": "Romuald Członkowski",

180
CLAUDE.md
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@@ -8,10 +8,10 @@ This is the **n8n-skills** repository - a collection of Claude Code skills desig
**Repository**: https://github.com/czlonkowski/n8n-skills
**Purpose**: Create 5 complementary meta-skills that provide expert guidance on using n8n-mcp MCP tools effectively for building n8n workflows.
**Purpose**: 7 complementary skills that provide expert guidance on using n8n-mcp MCP tools effectively for building n8n workflows.
**Architecture**:
- **n8n-mcp MCP Server**: Provides data access (525 nodes, validation, templates)
- **n8n-mcp MCP Server**: Provides data access (800+ nodes, validation, templates, workflow management)
- **Claude Skills**: Provides expert guidance on HOW to use MCP tools
- **Together**: Expert workflow builder with progressive disclosure
@@ -19,120 +19,91 @@ This is the **n8n-skills** repository - a collection of Claude Code skills desig
```
n8n-skills/
├── README.md # Project overview
├── LICENSE # MIT License
├── skills/ # (To be created) Individual skill implementations
├── README.md # Project overview with video
├── LICENSE # MIT License
├── skills/ # Individual skill implementations
│ ├── n8n-expression-syntax/
│ ├── n8n-mcp-tools-expert/
│ ├── n8n-workflow-patterns/
│ ├── n8n-validation-expert/
── n8n-node-configuration/
├── evaluations/ # (To be created) Test scenarios for each skill
├── docs/ # Documentation
│ └── SKILLS_IMPLEMENTATION_GUIDE.md # Complete implementation guide
── .gitignore # Git ignore (excludes docs/)
── n8n-node-configuration/
│ ├── n8n-code-javascript/
│ └── n8n-code-python/
├── evaluations/ # Test scenarios for each skill
── docs/ # Documentation
├── dist/ # Distribution packages
└── .claude-plugin/ # Claude Code plugin configuration
```
## Implementation Timeline
- **Week 1**: n8n Expression Syntax (PoC - 4 files, ~350 lines)
- **Week 2**: n8n MCP Tools Expert + n8n Workflow Patterns
- **Week 3**: n8n Validation Expert + n8n Node Configuration
- **Week 4**: Testing, refinement, documentation
- **Week 5-6**: Distribution, plugin packaging
## Five Skills to Implement
## The 7 Skills
### 1. n8n Expression Syntax
**Priority**: Foundation (Week 1)
- Teaches correct n8n expression syntax ({{}} patterns)
- Covers common mistakes and fixes
- Files: SKILL.md, COMMON_MISTAKES.md, EXAMPLES.md
- Critical gotcha: Webhook data under `$json.body`
### 2. n8n MCP Tools Expert
**Priority**: Highest (fixes 20% failure rate)
### 2. n8n MCP Tools Expert (HIGHEST PRIORITY)
- Teaches how to use n8n-mcp MCP tools effectively
- Covers node discovery, validation, workflow management
- Files: SKILL.md, SEARCH_GUIDE.md, VALIDATION_GUIDE.md, WORKFLOW_GUIDE.md
- Covers unified tools: `get_node`, `validate_node`, `search_nodes`
- Workflow management with `n8n_update_partial_workflow`
- New: `n8n_deploy_template`, `n8n_workflow_versions`, `activateWorkflow`
### 3. n8n Workflow Patterns
**Priority**: High (addresses 813 webhook searches)
- Teaches proven workflow architectural patterns
- 5 patterns from 31,917 real workflows
- Files: SKILL.md + 5 pattern files (webhook, http, database, ai, scheduled)
- 5 patterns: webhook, HTTP API, database, AI, scheduled
### 4. n8n Validation Expert
**Priority**: Medium
- Interprets validation errors and guides fixing
- Handles false positives and validation loops
- Files: SKILL.md, ERROR_CATALOG.md, FALSE_POSITIVES.md
- Auto-fix with `n8n_autofix_workflow`
### 5. n8n Node Configuration
**Priority**: Medium
- Operation-aware node configuration guidance
- Property dependencies and common patterns
- Files: SKILL.md, DEPENDENCIES.md, OPERATION_PATTERNS.md
## Data-Driven Design
### 6. n8n Code JavaScript
- Write JavaScript in n8n Code nodes
- Data access patterns, `$helpers`, DateTime
These skills are based on telemetry analysis of:
- 447,557 real MCP tool usage events
- 31,917 workflows created
- 19,113 validation errors
- 15,107 validation feedback loops
### 7. n8n Code Python
- Write Python in n8n Code nodes
- Limitations awareness (no external libraries)
## Skill Structure
## Key MCP Tools
Each skill follows this format:
The n8n-mcp server provides these unified tools:
```markdown
---
name: Skill Name
description: When to use this skill. Use when [trigger conditions].
---
### Node Discovery
- `search_nodes` - Find nodes by keyword
- `get_node` - Unified node info with detail levels (minimal, standard, full) and modes (info, docs, search_properties, versions)
# Skill Name
### Validation
- `validate_node` - Unified validation with modes (minimal, full) and profiles (runtime, ai-friendly, strict)
- `validate_workflow` - Complete workflow validation
## [Content organized in sections]
```
### Workflow Management
- `n8n_create_workflow` - Create new workflows
- `n8n_update_partial_workflow` - Incremental updates (17 operation types including `activateWorkflow`)
- `n8n_validate_workflow` - Validate by ID
- `n8n_autofix_workflow` - Auto-fix common issues
- `n8n_deploy_template` - Deploy template to n8n instance
- `n8n_workflow_versions` - Version history and rollback
- `n8n_test_workflow` - Test execution
- `n8n_executions` - Manage executions
## Development Approach
### Templates
- `search_templates` - Multiple modes (keyword, by_nodes, by_task, by_metadata)
- `get_template` - Get template details
**Evaluation-Driven Development**:
1. Create 3+ evaluations FIRST for each skill
2. Establish baseline (test without skill)
3. Write minimal SKILL.md (under 500 lines)
4. Test against evaluations
5. Iterate until 100% pass
6. Add reference files as needed
### Guides
- `tools_documentation` - Meta-documentation for all tools
- `ai_agents_guide` - AI agent workflow guidance
## Key Implementation Guidelines
### File Organization
- Keep SKILL.md files under 500 lines
- Split complex content into reference files
- Use markdown with clear sections
- Link between related files
### Skill Activation
Skills activate automatically when queries match their description triggers:
- "How do I write n8n expressions?" → n8n Expression Syntax
- "Find me a Slack node" → n8n MCP Tools Expert
- "Build a webhook workflow" → n8n Workflow Patterns
### Cross-Skill Integration
Skills are designed to work together:
- Use n8n Workflow Patterns to identify structure
- Use n8n MCP Tools Expert to find nodes
- Use n8n Node Configuration for setup
- Use n8n Expression Syntax for data mapping
- Use n8n Validation Expert to validate
## Important Patterns from Telemetry
## Important Patterns
### Most Common Tool Usage Pattern
```
search_nodes → get_node_essentials (9,835 occurrences, 18s avg)
search_nodes → get_node (18s avg between steps)
```
### Most Common Validation Pattern
@@ -151,34 +122,25 @@ Avg 56 seconds between edits
### When Adding New Skills
1. Create skill directory under `skills/`
2. Follow the structure in `docs/SKILLS_IMPLEMENTATION_GUIDE.md`
3. Write SKILL.md with frontmatter
4. Add reference files as needed
5. Create 3+ evaluations in `evaluations/`
6. Test thoroughly before committing
2. Write SKILL.md with frontmatter
3. Add reference files as needed
4. Create 3+ evaluations in `evaluations/`
5. Test thoroughly before committing
### When Creating Evaluations
Place in `evaluations/[skill-name]/eval-NNN-description.json`
### Skill Activation
Skills activate automatically when queries match their description triggers:
- "How do I write n8n expressions?" → n8n Expression Syntax
- "Find me a Slack node" → n8n MCP Tools Expert
- "Build a webhook workflow" → n8n Workflow Patterns
Format:
```json
{
"id": "skill-NNN",
"skills": ["skill-name"],
"query": "User question or scenario",
"expected_behavior": [
"List of expected behaviors",
"What skill should do",
"What content it should reference"
]
}
```
### Git Workflow
- Work on feature branches
- Commit frequently with clear messages
- Test skills before pushing
- Keep main branch stable
### Cross-Skill Integration
Skills are designed to work together:
- Use n8n Workflow Patterns to identify structure
- Use n8n MCP Tools Expert to find nodes
- Use n8n Node Configuration for setup
- Use n8n Expression Syntax for data mapping
- Use n8n Code JavaScript/Python for custom logic
- Use n8n Validation Expert to validate
## Requirements
@@ -188,9 +150,9 @@ Format:
## Distribution
Final distribution will be:
Available as:
1. **GitHub Repository**: Full source code and documentation
2. **Claude Code Plugin**: Packaged skills with plugin.json
2. **Claude Code Plugin**: `npm install @anthropic/claude-code-plugin-n8n-skills`
3. **Individual Skill Uploads**: For Claude.ai users
## Credits
@@ -202,4 +164,4 @@ Part of the n8n-mcp project.
## License
MIT License - See LICENSE file for details.
- Add to every commit and PR: Concieved by Romuald Członkowski - and then link to www.aiadvisors.pl/en. Don't add it in conversations
- Add to every commit and PR: Conceived by Romuald Członkowski - and then link to www.aiadvisors.pl/en. Don't add it in conversations

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@@ -2,14 +2,19 @@
**Expert Claude Code skills for building flawless n8n workflows using the n8n-mcp MCP server**
[![GitHub stars](https://img.shields.io/github/stars/czlonkowski/n8n-skills?style=social)](https://github.com/czlonkowski/n8n-skills)
[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](LICENSE)
[![n8n-mcp](https://img.shields.io/badge/n8n--mcp-compatible-green.svg)](https://github.com/czlonkowski/n8n-mcp)
## Watch the Introduction Video
[![n8n Skills Introduction](skills.png)](https://youtu.be/e6VvRqmUY2Y?si=6Igply3cadjO6Xx0)
---
## 🎯 What is this?
This repository contains 5 complementary **Claude Code skills** that teach AI assistants how to build production-ready n8n workflows using the [n8n-mcp](https://github.com/czlonkowski/n8n-mcp) MCP server.
This repository contains **7 complementary Claude Code skills** that teach AI assistants how to build production-ready n8n workflows using the [n8n-mcp](https://github.com/czlonkowski/n8n-mcp) MCP server.
### Why These Skills Exist

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#!/bin/bash
# Build script for n8n-skills distribution packages
# Creates zip files for both Claude.ai (individual skills) and Claude Code (bundle)
set -e
DIST_DIR="dist"
VERSION="1.1.0"
echo "🔨 Building n8n-skills distribution packages..."
# Create dist directory if it doesn't exist
mkdir -p "$DIST_DIR"
# Remove old zips
echo "🗑️ Removing old zip files..."
rm -f "$DIST_DIR"/*.zip
# Build individual skill zips (for Claude.ai)
echo "📦 Building individual skill zips for Claude.ai..."
SKILLS=(
"n8n-expression-syntax"
"n8n-mcp-tools-expert"
"n8n-workflow-patterns"
"n8n-validation-expert"
"n8n-node-configuration"
)
for skill in "${SKILLS[@]}"; do
echo " - $skill"
zip -rq "$DIST_DIR/${skill}-v${VERSION}.zip" "skills/${skill}/" -x "*.DS_Store"
done
# Build complete bundle (for Claude Code)
echo "📦 Building complete bundle for Claude Code..."
zip -rq "$DIST_DIR/n8n-mcp-skills-v${VERSION}.zip" \
.claude-plugin/ \
README.md \
LICENSE \
skills/ \
-x "*.DS_Store"
# Show results
echo ""
echo "✅ Build complete! Files in $DIST_DIR/:"
echo ""
ls -lh "$DIST_DIR"/*.zip
echo ""
echo "📊 Package sizes:"
du -h "$DIST_DIR"/*.zip

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@@ -6,7 +6,7 @@ This folder contains distribution packages for different Claude platforms.
### Complete Bundle (Recommended)
- **`n8n-mcp-skills-v1.0.0.zip`** (168 KB) - All 7 skills in one package
- **`n8n-mcp-skills-v1.1.0.zip`** (172 KB) - All 7 skills in one package
**Includes:**
- Skill #1: n8n Expression Syntax
@@ -23,18 +23,18 @@ This folder contains distribution packages for different Claude platforms.
/plugin install czlonkowski/n8n-skills
# Or install from local file
/plugin install /path/to/n8n-mcp-skills-v1.0.0.zip
/plugin install /path/to/n8n-mcp-skills-v1.1.0.zip
```
### For Claude.ai Users (Individual Skills)
Upload each skill separately via Settings → Capabilities → Skills (bottom of page):
- `n8n-expression-syntax-v1.0.0.zip` - n8n expression syntax and common patterns
- `n8n-mcp-tools-expert-v1.0.0.zip` - Expert guide for using n8n-mcp tools (recommended to install first)
- `n8n-workflow-patterns-v1.0.0.zip` - 5 proven workflow architectural patterns
- `n8n-validation-expert-v1.0.0.zip` - Validation error interpretation and fixing
- `n8n-node-configuration-v1.0.0.zip` - Operation-aware node configuration
- `n8n-expression-syntax-v1.1.0.zip` - n8n expression syntax and common patterns
- `n8n-mcp-tools-expert-v1.1.0.zip` - Expert guide for using n8n-mcp tools (recommended to install first)
- `n8n-workflow-patterns-v1.1.0.zip` - 5 proven workflow architectural patterns
- `n8n-validation-expert-v1.1.0.zip` - Validation error interpretation and fixing
- `n8n-node-configuration-v1.1.0.zip` - Operation-aware node configuration
**Installation:**
1. Go to Settings → Capabilities → Skills (bottom of page)
@@ -49,7 +49,7 @@ Upload each skill separately via Settings → Capabilities → Skills (bottom of
| Platform | Package | What You Get |
|----------|---------|--------------|
| **Claude.ai** | Individual zips | 5 core skills (upload separately) |
| **Claude Code** | Complete bundle (n8n-mcp-skills-v1.0.0.zip) | All 7 skills at once |
| **Claude Code** | Complete bundle (n8n-mcp-skills-v1.1.0.zip) | All 7 skills at once |
| **Claude API** | Complete bundle | All 7 skills (extract skills/ folder) |
**Note:** Code skills (#6 JavaScript, #7 Python) are only in the complete bundle.
@@ -60,12 +60,12 @@ Upload each skill separately via Settings → Capabilities → Skills (bottom of
```
dist/
├── n8n-mcp-skills-v1.0.0.zip (168 KB) ★ RECOMMENDED
├── n8n-expression-syntax-v1.0.0.zip (11 KB)
├── n8n-mcp-tools-expert-v1.0.0.zip (15 KB)
├── n8n-workflow-patterns-v1.0.0.zip (35 KB)
├── n8n-validation-expert-v1.0.0.zip (18 KB)
├── n8n-node-configuration-v1.0.0.zip (17 KB)
├── n8n-mcp-skills-v1.1.0.zip (168 KB) ★ RECOMMENDED
├── n8n-expression-syntax-v1.1.0.zip (11 KB)
├── n8n-mcp-tools-expert-v1.1.0.zip (15 KB)
├── n8n-workflow-patterns-v1.1.0.zip (35 KB)
├── n8n-validation-expert-v1.1.0.zip (18 KB)
├── n8n-node-configuration-v1.1.0.zip (17 KB)
└── README.md (this file)
```

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@@ -6,7 +6,7 @@ Complete guide for finding and understanding n8n nodes.
## search_nodes (START HERE!)
**Success Rate**: 99.9% | **Speed**: <20ms
**Speed**: <20ms
**Use when**: You know what you're looking for (keyword, service, use case)
@@ -15,7 +15,9 @@ Complete guide for finding and understanding n8n nodes.
search_nodes({
query: "slack", // Required: search keywords
mode: "OR", // Optional: OR (default), AND, FUZZY
limit: 20 // Optional: max results (default 20, max 100)
limit: 20, // Optional: max results (default 20)
source: "all", // Optional: all, core, community, verified
includeExamples: false // Optional: include template configs
})
```
@@ -38,24 +40,38 @@ search_nodes({
**Tips**:
- Common searches: webhook, http, database, email, slack, google, ai
- OR mode (default): matches any word
- AND mode: requires all words
- FUZZY mode: typo-tolerant (finds "slak" Slack)
- `OR` mode (default): matches any word
- `AND` mode: requires all words
- `FUZZY` mode: typo-tolerant (finds "slak" Slack)
- Use `source: "core"` for only built-in nodes
- Use `includeExamples: true` for real-world configs
---
## get_node_essentials (RECOMMENDED!)
## get_node (UNIFIED NODE INFORMATION)
**Success Rate**: 91.7% | **Speed**: <10ms | **Size**: ~5KB
The `get_node` tool provides all node information with different detail levels and modes.
### Detail Levels (mode="info")
| Detail | Tokens | Use When |
|--------|--------|----------|
| `minimal` | ~200 | Quick metadata check |
| `standard` | ~1-2K | **Most use cases (DEFAULT)** |
| `full` | ~3-8K | Complex debugging only |
### Standard Detail (RECOMMENDED)
**Speed**: <10ms | **Size**: ~1-2K tokens
**Use when**: You've found the node and need configuration details
**Syntax**:
```javascript
get_node_essentials({
get_node({
nodeType: "nodes-base.slack", // Required: SHORT prefix format
includeExamples: true // Optional: get real template configs
})
// detail="standard" is the default
```
**Returns**:
@@ -64,105 +80,161 @@ get_node_essentials({
- Metadata (isAITool, isTrigger, hasCredentials)
- Real examples from templates (if includeExamples: true)
**Why use this**:
- 5KB vs 100KB+ (get_node_info)
- 91.7% success vs 80%
- <10ms vs slower
- Focused data (no information overload)
### Minimal Detail
---
**Speed**: <5ms | **Size**: ~200 tokens
## get_node_info (USE SPARINGLY!)
**Use when**: Just need basic metadata
**Success Rate**: 80% | **Size**: 100KB+
**Use when**:
- Debugging complex configuration
- Need complete property schema
- Exploring advanced features
**Syntax**:
```javascript
get_node_info({
nodeType: "nodes-base.httpRequest"
get_node({
nodeType: "nodes-base.slack",
detail: "minimal"
})
```
**Warning**: 20% failure rate! Use get_node_essentials instead for most cases.
**Returns**: nodeType, displayName, description, category
**Better alternatives**:
1. get_node_essentials - operations list
2. get_node_documentation - readable docs
3. search_node_properties - specific property
### Full Detail (USE SPARINGLY)
---
**Speed**: <100ms | **Size**: ~3-8K tokens
## list_nodes (BROWSE BY CATEGORY)
**Use when**: Debugging complex configuration, need complete schema
**Success Rate**: 99.6% | **Speed**: <20ms
**Use when**: Exploring by category or listing all nodes
**Syntax**:
```javascript
list_nodes({
category: "trigger", // Optional: filter by category
package: "n8n-nodes-base", // Optional: filter by package
limit: 200 // Optional: default 50
})
```
**Categories**:
- `trigger` - Webhook, Schedule, Manual, etc. (108 total)
- `transform` - Code, Set, Function, etc.
- `output` - HTTP Request, Email, Slack, etc.
- `input` - Read data sources
- `AI` - AI-capable nodes (270 total)
**Packages**:
- `n8n-nodes-base` - Core nodes (437 total)
- `@n8n/n8n-nodes-langchain` - AI nodes (100 total)
---
## search_node_properties (FIND SPECIFIC FIELDS)
**Use when**: Looking for specific property in a node
**Syntax**:
```javascript
search_node_properties({
get_node({
nodeType: "nodes-base.httpRequest",
query: "auth" // Find authentication properties
detail: "full"
})
```
**Returns**: Property paths and descriptions matching query
**Common searches**: auth, header, body, json, url, method
**Warning**: Large payload! Use `standard` for most cases.
---
## get_node_documentation (READABLE DOCS)
## get_node Modes
**Coverage**: 88% of nodes (470/537)
### mode="docs" (READABLE DOCUMENTATION)
**Use when**: Need human-readable documentation with examples
**Syntax**:
```javascript
get_node_documentation({
nodeType: "nodes-base.slack"
get_node({
nodeType: "nodes-base.slack",
mode: "docs"
})
```
**Returns**: Formatted docs with:
**Returns**: Formatted markdown with:
- Usage examples
- Authentication guide
- Common patterns
- Best practices
**Note**: Better than raw schema for learning!
**Better than raw schema for learning!**
### mode="search_properties" (FIND SPECIFIC FIELDS)
**Use when**: Looking for specific property in a node
```javascript
get_node({
nodeType: "nodes-base.httpRequest",
mode: "search_properties",
propertyQuery: "auth", // Required for this mode
maxPropertyResults: 20 // Optional: default 20
})
```
**Returns**: Property paths and descriptions matching query
**Common searches**: auth, header, body, json, url, method, credential
### mode="versions" (VERSION HISTORY)
**Use when**: Need to check node version history
```javascript
get_node({
nodeType: "nodes-base.executeWorkflow",
mode: "versions"
})
```
**Returns**: Version history with breaking changes flags
### mode="compare" (COMPARE VERSIONS)
**Use when**: Need to see differences between versions
```javascript
get_node({
nodeType: "nodes-base.httpRequest",
mode: "compare",
fromVersion: "3.0",
toVersion: "4.1" // Optional: defaults to latest
})
```
**Returns**: Property-level changes between versions
### mode="breaking" (BREAKING CHANGES ONLY)
**Use when**: Checking for breaking changes before upgrades
```javascript
get_node({
nodeType: "nodes-base.httpRequest",
mode: "breaking",
fromVersion: "3.0"
})
```
**Returns**: Only breaking changes (not all changes)
### mode="migrations" (AUTO-MIGRATABLE)
**Use when**: Checking what can be auto-migrated
```javascript
get_node({
nodeType: "nodes-base.httpRequest",
mode: "migrations",
fromVersion: "3.0"
})
```
**Returns**: Changes that can be automatically migrated
---
## Additional Parameters
### includeTypeInfo
Add type structure metadata (validation rules, JS types)
```javascript
get_node({
nodeType: "nodes-base.if",
includeTypeInfo: true // Adds ~80-120 tokens per property
})
```
Use for complex nodes like filter, resourceMapper
### includeExamples
Include real-world configuration examples from templates
```javascript
get_node({
nodeType: "nodes-base.slack",
includeExamples: true // Adds ~200-400 tokens per example
})
```
Only works with `mode: "info"` and `detail: "standard"`
---
@@ -174,14 +246,14 @@ search_nodes({query: "slack"})
→ Returns: nodes-base.slack
Step 2: Get Operations (18s avg thinking time)
get_node_essentials({
get_node({
nodeType: "nodes-base.slack",
includeExamples: true
})
→ Returns: operations list + example configs
Step 3: Validate Config
validate_node_operation({
validate_node({
nodeType: "nodes-base.slack",
config: {resource: "channel", operation: "create"},
profile: "runtime"
@@ -192,21 +264,23 @@ Step 4: Use in Workflow
(Configuration ready!)
```
**Most common pattern**: search essentials (18s average)
**Most common pattern**: search get_node (18s average)
---
## Quick Comparison
| Tool | When to Use | Success | Speed | Size |
|------|-------------|---------|-------|------|
| search_nodes | Find by keyword | 99.9% | <20ms | Small |
| get_node_essentials | Get config | 91.7% | <10ms | 5KB |
| get_node_info | Full schema | 80% | Slow | 100KB+ |
| list_nodes | Browse category | 99.6% | <20ms | Small |
| get_node_documentation | Learn usage | N/A | Fast | Medium |
| Tool/Mode | When to Use | Speed | Size |
|-----------|-------------|-------|------|
| `search_nodes` | Find by keyword | <20ms | Small |
| `get_node (standard)` | **Get config (DEFAULT)** | <10ms | 1-2K |
| `get_node (minimal)` | Quick metadata | <5ms | 200 |
| `get_node (full)` | Complex debugging | <100ms | 3-8K |
| `get_node (docs)` | Learn usage | Fast | Medium |
| `get_node (search_properties)` | Find specific field | Fast | Small |
| `get_node (versions)` | Check versions | Fast | Small |
**Best Practice**: search essentials validate
**Best Practice**: search get_node(standard) validate
---
@@ -229,13 +303,71 @@ Step 4: Use in Workflow
**Conversion**: search_nodes returns BOTH formats:
```javascript
{
"nodeType": "nodes-base.slack", // Use with essentials
"workflowNodeType": "n8n-nodes-base.slack" // Use with create_workflow
"nodeType": "nodes-base.slack", // Use with get_node, validate_node
"workflowNodeType": "n8n-nodes-base.slack" // Use with n8n_create_workflow
}
```
---
## Examples
### Find and Configure HTTP Request
```javascript
// Step 1: Search
search_nodes({query: "http request"})
// Step 2: Get standard info
get_node({nodeType: "nodes-base.httpRequest"})
// Step 3: Find auth options
get_node({
nodeType: "nodes-base.httpRequest",
mode: "search_properties",
propertyQuery: "authentication"
})
// Step 4: Validate config
validate_node({
nodeType: "nodes-base.httpRequest",
config: {method: "POST", url: "https://api.example.com"},
profile: "runtime"
})
```
### Explore AI Nodes
```javascript
// Find all AI-related nodes
search_nodes({query: "ai agent", source: "all"})
// Get AI Agent documentation
get_node({nodeType: "nodes-langchain.agent", mode: "docs"})
// Get configuration details with examples
get_node({
nodeType: "nodes-langchain.agent",
includeExamples: true
})
```
### Check Version Compatibility
```javascript
// See all versions
get_node({nodeType: "nodes-base.executeWorkflow", mode: "versions"})
// Check breaking changes from v1 to v2
get_node({
nodeType: "nodes-base.executeWorkflow",
mode: "breaking",
fromVersion: "1.0"
})
```
---
## Related
- [VALIDATION_GUIDE.md](VALIDATION_GUIDE.md) - Validate node configs

View File

@@ -11,13 +11,13 @@ Master guide for using n8n-mcp MCP server tools to build workflows.
## Tool Categories
n8n-mcp provides **40+ tools** organized into categories:
n8n-mcp provides tools organized into categories:
1. **Node Discovery** → [SEARCH_GUIDE.md](SEARCH_GUIDE.md)
2. **Configuration Validation** → [VALIDATION_GUIDE.md](VALIDATION_GUIDE.md)
3. **Workflow Management** → [WORKFLOW_GUIDE.md](WORKFLOW_GUIDE.md)
4. **Template Library** - Search and access 2,653 real workflows
5. **Documentation** - Get tool and node documentation
4. **Template Library** - Search and deploy 2,700+ real workflows
5. **Documentation & Guides** - Tool docs, AI agent guide, Code node guides
---
@@ -25,14 +25,15 @@ n8n-mcp provides **40+ tools** organized into categories:
### Most Used Tools (by success rate)
| Tool | Use When | Success Rate | Speed |
|------|----------|--------------|-------|
| `search_nodes` | Finding nodes by keyword | 99.9% | <20ms |
| `get_node_essentials` | Understanding node operations | 91.7% | <10ms |
| `validate_node_operation` | Checking configurations | Varies | <100ms |
| `n8n_create_workflow` | Creating workflows | 96.8% | 100-500ms |
| `n8n_update_partial_workflow` | Editing workflows (MOST USED!) | 99.0% | 50-200ms |
| `validate_workflow` | Checking complete workflow | 95.5% | 100-500ms |
| Tool | Use When | Speed |
|------|----------|-------|
| `search_nodes` | Finding nodes by keyword | <20ms |
| `get_node` | Understanding node operations (detail="standard") | <10ms |
| `validate_node` | Checking configurations (mode="full") | <100ms |
| `n8n_create_workflow` | Creating workflows | 100-500ms |
| `n8n_update_partial_workflow` | Editing workflows (MOST USED!) | 50-200ms |
| `validate_workflow` | Checking complete workflow | 100-500ms |
| `n8n_deploy_template` | Deploy template to n8n instance | 200-500ms |
---
@@ -43,8 +44,8 @@ n8n-mcp provides **40+ tools** organized into categories:
**Workflow**:
```
1. search_nodes({query: "keyword"})
2. get_node_essentials({nodeType: "nodes-base.name"})
3. [Optional] get_node_documentation({nodeType: "nodes-base.name"})
2. get_node({nodeType: "nodes-base.name"})
3. [Optional] get_node({nodeType: "nodes-base.name", mode: "docs"})
```
**Example**:
@@ -53,19 +54,23 @@ n8n-mcp provides **40+ tools** organized into categories:
search_nodes({query: "slack"})
// Returns: nodes-base.slack
// Step 2: Get details (18s avg between steps)
get_node_essentials({nodeType: "nodes-base.slack"})
// Returns: operations, properties, examples
// Step 2: Get details
get_node({nodeType: "nodes-base.slack"})
// Returns: operations, properties, examples (standard detail)
// Step 3: Get readable documentation
get_node({nodeType: "nodes-base.slack", mode: "docs"})
// Returns: markdown documentation
```
**Common pattern**: search essentials (18s average)
**Common pattern**: search get_node (18s average)
### Validating Configuration
**Workflow**:
```
1. validate_node_minimal({nodeType, config: {}}) - Check required fields
2. validate_node_operation({nodeType, config, profile: "runtime"}) - Full validation
1. validate_node({nodeType, config: {}, mode: "minimal"}) - Check required fields
2. validate_node({nodeType, config, profile: "runtime"}) - Full validation
3. [Repeat] Fix errors, validate again
```
@@ -79,6 +84,7 @@ get_node_essentials({nodeType: "nodes-base.slack"})
2. n8n_validate_workflow({id})
3. n8n_update_partial_workflow({id, operations: [...]})
4. n8n_validate_workflow({id}) again
5. n8n_update_partial_workflow({id, operations: [{type: "activateWorkflow"}]})
```
**Common pattern**: iterative updates (56s average between edits)
@@ -100,11 +106,9 @@ get_node_essentials({nodeType: "nodes-base.slack"})
**Tools that use this**:
- search_nodes (returns this format)
- get_node_essentials
- get_node_info
- validate_node_minimal
- validate_node_operation
- get_property_dependencies
- get_node
- validate_node
- validate_workflow
### Format 2: Workflow Tools
```javascript
@@ -118,7 +122,6 @@ get_node_essentials({nodeType: "nodes-base.slack"})
**Tools that use this**:
- n8n_create_workflow
- n8n_update_partial_workflow
- list_node_templates
### Conversion
@@ -134,40 +137,43 @@ get_node_essentials({nodeType: "nodes-base.slack"})
## Common Mistakes
### Mistake 1: Wrong nodeType Format
### Mistake 1: Wrong nodeType Format
**Problem**: "Node not found" error
```javascript
get_node_essentials({nodeType: "slack"}) // Missing prefix
get_node_essentials({nodeType: "n8n-nodes-base.slack"}) // Wrong prefix
// WRONG
get_node({nodeType: "slack"}) // Missing prefix
get_node({nodeType: "n8n-nodes-base.slack"}) // Wrong prefix
get_node_essentials({nodeType: "nodes-base.slack"}) // Correct!
// CORRECT
get_node({nodeType: "nodes-base.slack"})
```
### Mistake 2: Using get_node_info Instead of get_node_essentials
### Mistake 2: Using detail="full" by Default
**Problem**: 20% failure rate, slow response, huge payload
**Problem**: Huge payload, slower response, token waste
```javascript
get_node_info({nodeType: "nodes-base.slack"})
// Returns: 100KB+ data, 20% chance of failure
// WRONG - Returns 3-8K tokens, use sparingly
get_node({nodeType: "nodes-base.slack", detail: "full"})
get_node_essentials({nodeType: "nodes-base.slack"})
// Returns: 5KB focused data, 91.7% success, <10ms
// CORRECT - Returns 1-2K tokens, covers 95% of use cases
get_node({nodeType: "nodes-base.slack"}) // detail="standard" is default
get_node({nodeType: "nodes-base.slack", detail: "standard"})
```
**When to use get_node_info**:
**When to use detail="full"**:
- Debugging complex configuration issues
- Need complete property schema
- Need complete property schema with all nested options
- Exploring advanced features
**Better alternatives**:
1. get_node_essentials - for operations list
2. get_node_documentation - for readable docs
3. search_node_properties - for specific property
1. `get_node({detail: "standard"})` - for operations list (default)
2. `get_node({mode: "docs"})` - for readable documentation
3. `get_node({mode: "search_properties", propertyQuery: "auth"})` - for specific property
### Mistake 3: Not Using Validation Profiles
### Mistake 3: Not Using Validation Profiles
**Problem**: Too many false positives OR missing real errors
@@ -178,12 +184,14 @@ get_node_essentials({nodeType: "nodes-base.slack"})
- `strict` - Maximum validation (for production)
```javascript
validate_node_operation({nodeType, config}) // Uses default
// WRONG - Uses default profile
validate_node({nodeType, config})
validate_node_operation({nodeType, config, profile: "runtime"}) // Explicit
// CORRECT - Explicit profile
validate_node({nodeType, config, profile: "runtime"})
```
### Mistake 4: Ignoring Auto-Sanitization
### Mistake 4: Ignoring Auto-Sanitization
**What happens**: ALL nodes sanitized on ANY workflow update
@@ -203,7 +211,7 @@ n8n_update_partial_workflow({id, operations: [...]})
// → Automatically fixes operator structures
```
### Mistake 5: Not Using Smart Parameters
### Mistake 5: Not Using Smart Parameters
**Problem**: Complex sourceIndex calculations for multi-output nodes
@@ -244,6 +252,25 @@ n8n_update_partial_workflow({id, operations: [...]})
}
```
### Mistake 6: Not Using intent Parameter
**Problem**: Less helpful tool responses
```javascript
// WRONG - No context for response
n8n_update_partial_workflow({
id: "abc",
operations: [{type: "addNode", node: {...}}]
})
// CORRECT - Better AI responses
n8n_update_partial_workflow({
id: "abc",
intent: "Add error handling for API failures",
operations: [{type: "addNode", node: {...}}]
})
```
---
## Tool Usage Patterns
@@ -262,7 +289,7 @@ const results = await search_nodes({
// → Returns: nodes-base.slack, nodes-base.slackTrigger
// Step 2: Get details (~18s later, user reviewing results)
const details = await get_node_essentials({
const details = await get_node({
nodeType: "nodes-base.slack",
includeExamples: true // Get real template configs
});
@@ -275,7 +302,7 @@ const details = await get_node_essentials({
```javascript
// Step 1: Validate
const result = await validate_node_operation({
const result = await validate_node({
nodeType: "nodes-base.slack",
config: {
resource: "channel",
@@ -293,7 +320,7 @@ if (!result.valid) {
config.name = "general";
// Step 4: Validate again
await validate_node_operation({...}); // Repeat until clean
await validate_node({...}); // Repeat until clean
```
### Pattern 3: Workflow Editing
@@ -305,6 +332,7 @@ await validate_node_operation({...}); // Repeat until clean
// Edit 1
await n8n_update_partial_workflow({
id: "workflow-id",
intent: "Add webhook trigger",
operations: [{type: "addNode", node: {...}}]
});
@@ -313,6 +341,7 @@ await n8n_update_partial_workflow({
// Edit 2
await n8n_update_partial_workflow({
id: "workflow-id",
intent: "Connect webhook to processor",
operations: [{type: "addConnection", source: "...", target: "..."}]
});
@@ -320,6 +349,13 @@ await n8n_update_partial_workflow({
// Edit 3 (validation)
await n8n_validate_workflow({id: "workflow-id"});
// Ready? Activate!
await n8n_update_partial_workflow({
id: "workflow-id",
intent: "Activate workflow for production",
operations: [{type: "activateWorkflow"}]
});
```
---
@@ -328,15 +364,14 @@ await n8n_validate_workflow({id: "workflow-id"});
### Node Discovery Tools
See [SEARCH_GUIDE.md](SEARCH_GUIDE.md) for:
- search_nodes (99.9% success)
- get_node_essentials vs get_node_info
- list_nodes by category
- search_node_properties for specific fields
- search_nodes
- get_node with detail levels (minimal, standard, full)
- get_node modes (info, docs, search_properties, versions)
### Validation Tools
See [VALIDATION_GUIDE.md](VALIDATION_GUIDE.md) for:
- Validation profiles explained
- validate_node_minimal vs validate_node_operation
- validate_node with modes (minimal, full)
- validate_workflow complete structure
- Auto-sanitization system
- Handling validation errors
@@ -344,10 +379,12 @@ See [VALIDATION_GUIDE.md](VALIDATION_GUIDE.md) for:
### Workflow Management
See [WORKFLOW_GUIDE.md](WORKFLOW_GUIDE.md) for:
- n8n_create_workflow
- n8n_update_partial_workflow (15 operation types!)
- n8n_update_partial_workflow (17 operation types!)
- Smart parameters (branch, case)
- AI connection types (8 types)
- cleanStaleConnections recovery
- Workflow activation (activateWorkflow/deactivateWorkflow)
- n8n_deploy_template
- n8n_workflow_versions
---
@@ -356,28 +393,58 @@ See [WORKFLOW_GUIDE.md](WORKFLOW_GUIDE.md) for:
### Search Templates
```javascript
// Search by keyword
// Search by keyword (default mode)
search_templates({
query: "webhook slack",
limit: 20
});
// → Returns: 1,085 templates with metadata
// Get template details
get_template({
templateId: 2947, // Weather to Slack
mode: "structure" // or "full" for complete JSON
// Search by node types
search_templates({
searchMode: "by_nodes",
nodeTypes: ["n8n-nodes-base.httpRequest", "n8n-nodes-base.slack"]
});
// Search by task type
search_templates({
searchMode: "by_task",
task: "webhook_processing"
});
// Search by metadata (complexity, setup time)
search_templates({
searchMode: "by_metadata",
complexity: "simple",
maxSetupMinutes: 15
});
```
### Template Metadata
### Get Template Details
Templates include:
- Complexity (simple, medium, complex)
- Setup time estimate
- Required services
- Categories and use cases
- View counts (popularity)
```javascript
get_template({
templateId: 2947,
mode: "structure" // nodes+connections only
});
get_template({
templateId: 2947,
mode: "full" // complete workflow JSON
});
```
### Deploy Template Directly
```javascript
// Deploy template to your n8n instance
n8n_deploy_template({
templateId: 2947,
name: "My Weather to Slack", // Custom name (optional)
autoFix: true, // Auto-fix common issues (default)
autoUpgradeVersions: true // Upgrade node versions (default)
});
// Returns: workflow ID, required credentials, fixes applied
```
---
@@ -386,7 +453,7 @@ Templates include:
### Get Tool Documentation
```javascript
// List all tools
// Overview of all tools
tools_documentation()
// Specific tool details
@@ -394,21 +461,29 @@ tools_documentation({
topic: "search_nodes",
depth: "full"
})
// Code node guides
tools_documentation({topic: "javascript_code_node_guide", depth: "full"})
tools_documentation({topic: "python_code_node_guide", depth: "full"})
```
### AI Agent Guide
```javascript
// Comprehensive AI workflow guide
ai_agents_guide()
// Returns: Architecture, connections, tools, validation, best practices
```
### Health Check
```javascript
// Verify MCP server connectivity
// Quick health check
n8n_health_check()
// → Returns: status, features, API availability, version
```
### Database Statistics
```javascript
get_database_statistics()
// → Returns: 537 nodes, 270 AI tools, 2,653 templates
// Detailed diagnostics
n8n_health_check({mode: "diagnostic"})
// → Returns: status, env vars, tool status, API connectivity
```
---
@@ -416,79 +491,140 @@ get_database_statistics()
## Tool Availability
**Always Available** (no n8n API needed):
- search_nodes, list_nodes, get_node_essentials
- validate_node_minimal, validate_node_operation
- validate_workflow, get_property_dependencies
- search_templates, get_template, list_tasks
- tools_documentation, get_database_statistics
- search_nodes, get_node
- validate_node, validate_workflow
- search_templates, get_template
- tools_documentation, ai_agents_guide
**Requires n8n API** (N8N_API_URL + N8N_API_KEY):
- n8n_create_workflow
- n8n_update_partial_workflow
- n8n_validate_workflow (by ID)
- n8n_list_workflows, n8n_get_workflow
- n8n_trigger_webhook_workflow
- n8n_create_workflow
- n8n_update_partial_workflow
- n8n_validate_workflow (by ID)
- n8n_list_workflows, n8n_get_workflow
- n8n_test_workflow
- n8n_executions
- n8n_deploy_template
- n8n_workflow_versions
- n8n_autofix_workflow
If API tools unavailable, use templates and validation-only workflows.
---
## Unified Tool Reference
### get_node (Unified Node Information)
**Detail Levels** (mode="info", default):
- `minimal` (~200 tokens) - Basic metadata only
- `standard` (~1-2K tokens) - Essential properties + operations (RECOMMENDED)
- `full` (~3-8K tokens) - Complete schema (use sparingly)
**Operation Modes**:
- `info` (default) - Node schema with detail level
- `docs` - Readable markdown documentation
- `search_properties` - Find specific properties (use with propertyQuery)
- `versions` - List all versions with breaking changes
- `compare` - Compare two versions
- `breaking` - Show only breaking changes
- `migrations` - Show auto-migratable changes
```javascript
// Standard (recommended)
get_node({nodeType: "nodes-base.httpRequest"})
// Get documentation
get_node({nodeType: "nodes-base.webhook", mode: "docs"})
// Search for properties
get_node({nodeType: "nodes-base.httpRequest", mode: "search_properties", propertyQuery: "auth"})
// Check versions
get_node({nodeType: "nodes-base.executeWorkflow", mode: "versions"})
```
### validate_node (Unified Validation)
**Modes**:
- `full` (default) - Comprehensive validation with errors/warnings/suggestions
- `minimal` - Quick required fields check only
**Profiles** (for mode="full"):
- `minimal` - Very lenient
- `runtime` - Standard (default, recommended)
- `ai-friendly` - Balanced for AI workflows
- `strict` - Most thorough (production)
```javascript
// Full validation with runtime profile
validate_node({nodeType: "nodes-base.slack", config: {...}, profile: "runtime"})
// Quick required fields check
validate_node({nodeType: "nodes-base.webhook", config: {}, mode: "minimal"})
```
---
## Performance Characteristics
| Tool | Response Time | Payload Size | Reliability |
|------|---------------|--------------|-------------|
| search_nodes | <20ms | Small | 99.9% |
| list_nodes | <20ms | Small | 99.6% |
| get_node_essentials | <10ms | ~5KB | 91.7% |
| get_node_info | Varies | 100KB+ | 80% |
| validate_node_minimal | <100ms | Small | 97.4% |
| validate_node_operation | <100ms | Medium | Varies |
| validate_workflow | 100-500ms | Medium | 95.5% |
| n8n_create_workflow | 100-500ms | Medium | 96.8% |
| n8n_update_partial_workflow | 50-200ms | Small | 99.0% |
| Tool | Response Time | Payload Size |
|------|---------------|--------------|
| search_nodes | <20ms | Small |
| get_node (standard) | <10ms | ~1-2KB |
| get_node (full) | <100ms | 3-8KB |
| validate_node (minimal) | <50ms | Small |
| validate_node (full) | <100ms | Medium |
| validate_workflow | 100-500ms | Medium |
| n8n_create_workflow | 100-500ms | Medium |
| n8n_update_partial_workflow | 50-200ms | Small |
| n8n_deploy_template | 200-500ms | Medium |
---
## Best Practices
### Do
- Use get_node_essentials over get_node_info (91.7% vs 80%)
- Specify validation profile explicitly
- Use smart parameters (branch, case) for clarity
- Follow search essentials validate workflow
### Do
- Use `get_node({detail: "standard"})` for most use cases
- Specify validation profile explicitly (`profile: "runtime"`)
- Use smart parameters (`branch`, `case`) for clarity
- Include `intent` parameter in workflow updates
- Follow search get_node validate workflow
- Iterate workflows (avg 56s between edits)
- Validate after every significant change
- Use includeExamples: true for real configs
- Use `includeExamples: true` for real configs
- Use `n8n_deploy_template` for quick starts
### Don't
- Use get_node_info unless necessary (20% failure rate!)
- Forget nodeType prefix (nodes-base.*)
- Skip validation profiles (use "runtime")
### Don't
- Use `detail: "full"` unless necessary (wastes tokens)
- Forget nodeType prefix (`nodes-base.*`)
- Skip validation profiles
- Try to build workflows in one shot (iterate!)
- Ignore auto-sanitization behavior
- Use full prefix (n8n-nodes-base.*) with search tools
- Use full prefix (`n8n-nodes-base.*`) with search/validate tools
- Forget to activate workflows after building
---
## Summary
**Most Important**:
1. Use **get_node_essentials**, not get_node_info (5KB vs 100KB, 91.7% vs 80%)
2. nodeType formats differ: `nodes-base.*` (search) vs `n8n-nodes-base.*` (workflows)
3. Specify **validation profiles** (runtime recommended)
4. Use **smart parameters** (branch="true", case=0)
5. **Auto-sanitization** runs on ALL nodes during updates
6. Workflows are built **iteratively** (56s avg between edits)
1. Use **get_node** with `detail: "standard"` (default) - covers 95% of use cases
2. nodeType formats differ: `nodes-base.*` (search/validate) vs `n8n-nodes-base.*` (workflows)
3. Specify **validation profiles** (`runtime` recommended)
4. Use **smart parameters** (`branch="true"`, `case=0`)
5. Include **intent parameter** in workflow updates
6. **Auto-sanitization** runs on ALL nodes during updates
7. Workflows can be **activated via API** (`activateWorkflow` operation)
8. Workflows are built **iteratively** (56s avg between edits)
**Common Workflow**:
1. search_nodes find node
2. get_node_essentials understand config
3. validate_node_operation check config
2. get_node understand config
3. validate_node check config
4. n8n_create_workflow build
5. n8n_validate_workflow verify
6. n8n_update_partial_workflow iterate
7. activateWorkflow go live!
For details, see:
- [SEARCH_GUIDE.md](SEARCH_GUIDE.md) - Node discovery
@@ -502,3 +638,5 @@ For details, see:
- n8n Workflow Patterns - Architectural patterns from templates
- n8n Validation Expert - Interpret validation errors
- n8n Node Configuration - Operation-specific requirements
- n8n Code JavaScript - Write JavaScript in Code nodes
- n8n Code Python - Write Python in Code nodes

View File

@@ -12,17 +12,21 @@ Validation is typically iterative with validate → fix cycles
---
## validate_node_minimal (QUICK CHECK)
## validate_node (UNIFIED VALIDATION)
**Success Rate**: 97.4% | **Speed**: <100ms
The `validate_node` tool provides all validation capabilities with different modes.
### Quick Check (mode="minimal")
**Speed**: <50ms
**Use when**: Checking what fields are required
**Syntax**:
```javascript
validate_node_minimal({
validate_node({
nodeType: "nodes-base.slack",
config: {} // Empty to see all required fields
config: {}, // Empty to see all required fields
mode: "minimal"
})
```
@@ -36,17 +40,14 @@ validate_node_minimal({
**When to use**: Planning configuration, seeing basic requirements
---
### Full Validation (mode="full", DEFAULT)
## validate_node_operation (FULL VALIDATION)
**Success Rate**: Varies | **Speed**: <100ms
**Speed**: <100ms
**Use when**: Validating actual configuration before deployment
**Syntax**:
```javascript
validate_node_operation({
validate_node({
nodeType: "nodes-base.slack",
config: {
resource: "channel",
@@ -55,9 +56,12 @@ validate_node_operation({
},
profile: "runtime" // Recommended!
})
// mode="full" is the default
```
### Validation Profiles
---
## Validation Profiles
Choose based on your stage:
@@ -81,10 +85,15 @@ Choose based on your stage:
- May have false positives
- Use: Production deployment
### Returns
---
## Validation Response
```javascript
{
"nodeType": "nodes-base.slack",
"workflowNodeType": "n8n-nodes-base.slack",
"displayName": "Slack",
"valid": false,
"errors": [
{
@@ -106,7 +115,8 @@ Choose based on your stage:
"summary": {
"hasErrors": true,
"errorCount": 1,
"warningCount": 1
"warningCount": 1,
"suggestionCount": 0
}
}
```
@@ -123,7 +133,7 @@ Choose based on your stage:
## validate_workflow (STRUCTURE VALIDATION)
**Success Rate**: 95.5% | **Speed**: 100-500ms
**Speed**: 100-500ms
**Use when**: Checking complete workflow before execution
@@ -152,6 +162,21 @@ validate_workflow({
**Returns**: Comprehensive validation report with errors, warnings, suggestions
### Validate by Workflow ID
```javascript
// Validate workflow already in n8n
n8n_validate_workflow({
id: "workflow-id",
options: {
validateNodes: true,
validateConnections: true,
validateExpressions: true,
profile: "runtime"
}
})
```
---
## Validation Loop Pattern
@@ -161,11 +186,11 @@ validate_workflow({
```
1. Configure node
2. validate_node_operation (23s thinking about errors)
2. validate_node (23s thinking about errors)
3. Fix errors
4. validate_node_operation again (58s fixing)
4. validate_node again (58s fixing)
5. Repeat until valid
```
@@ -178,7 +203,7 @@ let config = {
operation: "create"
};
const result1 = validate_node_operation({
const result1 = validate_node({
nodeType: "nodes-base.slack",
config,
profile: "runtime"
@@ -188,7 +213,7 @@ const result1 = validate_node_operation({
// Iteration 2 (~58s later)
config.name = "general";
const result2 = validate_node_operation({
const result2 = validate_node({
nodeType: "nodes-base.slack",
config,
profile: "runtime"
@@ -220,7 +245,7 @@ const result2 = validate_node_operation({
{
"type": "boolean",
"operation": "equals",
"singleValue": true // Binary operators shouldn't have this
"singleValue": true // Binary operators shouldn't have this
}
// After auto-sanitization (automatic!)
@@ -233,7 +258,36 @@ const result2 = validate_node_operation({
**Recovery tools**:
- `cleanStaleConnections` operation - removes broken connections
- `n8n_autofix_workflow` - preview/apply fixes
- `n8n_autofix_workflow({id})` - preview/apply fixes
---
## n8n_autofix_workflow (AUTO-FIX TOOL)
**Use when**: Validation errors need automatic fixes
```javascript
// Preview fixes (default - doesn't apply)
n8n_autofix_workflow({
id: "workflow-id",
applyFixes: false, // Preview mode
confidenceThreshold: "medium" // high, medium, low
})
// Apply fixes
n8n_autofix_workflow({
id: "workflow-id",
applyFixes: true
})
```
**Fix Types**:
- `expression-format` - Fix expression syntax
- `typeversion-correction` - Correct typeVersion
- `error-output-config` - Fix error output settings
- `webhook-missing-path` - Add missing webhook paths
- `typeversion-upgrade` - Upgrade to latest version
- `version-migration` - Apply version migrations
---
@@ -270,7 +324,7 @@ const result2 = validate_node_operation({
Add the field with appropriate value
**"Invalid value"**
Check allowed values in essentials/documentation
Check allowed values in get_node output
**"Type mismatch"**
Convert to correct type (string/number/boolean)
@@ -294,17 +348,18 @@ Use **ai-friendly** profile to reduce false positives.
## Best Practices
### Do
### Do
- Use **runtime** profile for pre-deployment
- Validate after every configuration change
- Fix errors immediately (avg 58s)
- Iterate validation loop
- Trust auto-sanitization for operator issues
- Use minimal profile for quick checks
- Complete workflow activation manually in n8n UI (API/MCP cannot activate workflows)
- Use `mode: "minimal"` for quick checks
- Use `n8n_autofix_workflow` for bulk fixes
- Activate workflows via API when ready (`activateWorkflow` operation)
### Don't
### Don't
- Skip validation before deployment
- Ignore error messages
@@ -317,10 +372,11 @@ Use **ai-friendly** profile to reduce false positives.
## Example: Complete Validation Workflow
```javascript
// Step 1: Get node requirements
validate_node_minimal({
// Step 1: Get node requirements (quick check)
validate_node({
nodeType: "nodes-base.slack",
config: {}
config: {},
mode: "minimal"
});
// → Know what's required
@@ -332,8 +388,8 @@ const config = {
text: "Hello!"
};
// Step 3: Validate configuration
const result = validate_node_operation({
// Step 3: Validate configuration (full validation)
const result = validate_node({
nodeType: "nodes-base.slack",
config,
profile: "runtime"
@@ -341,9 +397,9 @@ const result = validate_node_operation({
// Step 4: Check result
if (result.valid) {
console.log("Configuration valid!");
console.log("Configuration valid!");
} else {
console.log("Errors:", result.errors);
console.log("Errors:", result.errors);
// Fix and validate again
}
@@ -354,6 +410,12 @@ validate_workflow({
connections: {...}
}
});
// Step 6: Apply auto-fixes if needed
n8n_autofix_workflow({
id: "workflow-id",
applyFixes: true
});
```
---
@@ -366,11 +428,14 @@ validate_workflow({
3. Auto-sanitization fixes operator structures automatically
4. Binary operators singleValue, Unary operators = singleValue: true
5. Iterate until validation passes
6. Use `n8n_autofix_workflow` for automatic fixes
**Tool Selection**:
- **validate_node_minimal**: Quick check
- **validate_node_operation**: Full config validation (**use this!**)
- **validate_node({mode: "minimal"})**: Quick required fields check
- **validate_node({profile: "runtime"})**: Full config validation (**use this!**)
- **validate_workflow**: Complete workflow check
- **n8n_validate_workflow({id})**: Validate existing workflow
- **n8n_autofix_workflow({id})**: Auto-fix common issues
**Related**:
- [SEARCH_GUIDE.md](SEARCH_GUIDE.md) - Find nodes

View File

@@ -6,7 +6,7 @@ Complete guide for creating, updating, and managing n8n workflows.
## Tool Availability
**⚠️ Requires n8n API**: All tools in this guide need `N8N_API_URL` and `N8N_API_KEY` configured.
**Requires n8n API**: All tools in this guide need `N8N_API_URL` and `N8N_API_KEY` configured.
If unavailable, use template examples and validation-only workflows.
@@ -14,7 +14,7 @@ If unavailable, use template examples and validation-only workflows.
## n8n_create_workflow
**Success Rate**: 96.8% | **Speed**: 100-500ms
**Speed**: 100-500ms
**Use when**: Creating new workflows from scratch
@@ -39,7 +39,7 @@ n8n_create_workflow({
id: "webhook-1",
name: "Webhook",
type: "n8n-nodes-base.webhook", // Full prefix!
typeVersion: 1,
typeVersion: 2,
position: [250, 300],
parameters: {
path: "slack-notify",
@@ -50,7 +50,7 @@ n8n_create_workflow({
id: "slack-1",
name: "Slack",
type: "n8n-nodes-base.slack",
typeVersion: 1,
typeVersion: 2,
position: [450, 300],
parameters: {
resource: "message",
@@ -69,7 +69,7 @@ n8n_create_workflow({
```
**Notes**:
- Workflows created **inactive** (must activate separately)
- Workflows created **inactive** (activate with `activateWorkflow` operation)
- Auto-sanitization runs on creation
- Validate before creating for best results
@@ -77,26 +77,26 @@ n8n_create_workflow({
## n8n_update_partial_workflow (MOST USED!)
**Success Rate**: 99.0% | **Speed**: 50-200ms | **Uses**: 38,287 (most used tool!)
**Speed**: 50-200ms | **Uses**: 38,287 (most used tool!)
**Use when**: Making incremental changes to workflows
**Common pattern**: 56s average between edits (iterative building!)
### 15 Operation Types
### 17 Operation Types
**Node Operations** (6 types):
1. `addNode` - Add new node
2. `removeNode` - Remove node by ID or name
3. `updateNode` - Update node properties
3. `updateNode` - Update node properties (use dot notation)
4. `moveNode` - Change position
5. `enableNode` - Enable disabled node
6. `disableNode` - Disable active node
**Connection Operations** (5 types):
7. `addConnection` - Connect nodes
8. `removeConnection` - Remove connection
9. `rewireConnection` - Change target
7. `addConnection` - Connect nodes (supports smart params)
8. `removeConnection` - Remove connection (supports ignoreErrors)
9. `rewireConnection` - Change connection target
10. `cleanStaleConnections` - Auto-remove broken connections
11. `replaceConnections` - Replace entire connections object
@@ -106,7 +106,23 @@ n8n_create_workflow({
14. `addTag` - Add tag
15. `removeTag` - Remove tag
### Smart Parameters (NEW!)
**Activation Operations** (2 types):
16. `activateWorkflow` - Activate workflow for automatic execution
17. `deactivateWorkflow` - Deactivate workflow
### Intent Parameter (IMPORTANT!)
Always include `intent` for better responses:
```javascript
n8n_update_partial_workflow({
id: "workflow-id",
intent: "Add error handling for API failures", // Describe what you're doing
operations: [...]
})
```
### Smart Parameters
**IF nodes** - Use semantic branch names:
```javascript
@@ -182,11 +198,53 @@ n8n_create_workflow({
// - ai_textSplitter
```
### Property Removal with undefined
Remove properties by setting them to `undefined`:
```javascript
// Remove a property
{
type: "updateNode",
nodeName: "HTTP Request",
updates: { onError: undefined }
}
// Migrate from deprecated property
{
type: "updateNode",
nodeName: "HTTP Request",
updates: {
continueOnFail: undefined, // Remove old
onError: "continueErrorOutput" // Add new
}
}
```
### Activation Operations
```javascript
// Activate workflow
n8n_update_partial_workflow({
id: "workflow-id",
intent: "Activate workflow for production",
operations: [{type: "activateWorkflow"}]
})
// Deactivate workflow
n8n_update_partial_workflow({
id: "workflow-id",
intent: "Deactivate workflow for maintenance",
operations: [{type: "deactivateWorkflow"}]
})
```
### Example Usage
```javascript
n8n_update_partial_workflow({
id: "workflow-id",
intent: "Add transform node after IF condition",
operations: [
// Add node
{
@@ -213,8 +271,16 @@ n8n_update_partial_workflow({
**cleanStaleConnections** - Remove broken connections:
```javascript
{type: "cleanStaleConnections"}
```
**rewireConnection** - Change target atomically:
```javascript
{
type: "cleanStaleConnections"
type: "rewireConnection",
source: "Webhook",
from: "Old Handler",
to: "New Handler"
}
```
@@ -227,15 +293,145 @@ n8n_update_partial_workflow({
})
```
**Validate before applying**:
```javascript
n8n_update_partial_workflow({
id: "workflow-id",
operations: [...],
validateOnly: true // Preview without applying
})
```
---
## n8n_deploy_template (QUICK START!)
**Speed**: 200-500ms
**Use when**: Deploying a template directly to n8n instance
```javascript
n8n_deploy_template({
templateId: 2947, // Required: from n8n.io
name: "My Weather to Slack", // Optional: custom name
autoFix: true, // Default: auto-fix common issues
autoUpgradeVersions: true, // Default: upgrade node versions
stripCredentials: true // Default: remove credential refs
})
```
**Returns**:
- Workflow ID
- Required credentials
- Fixes applied
**Example**:
```javascript
// Deploy a webhook to Slack template
const result = n8n_deploy_template({
templateId: 2947,
name: "Production Slack Notifier"
});
// Result includes:
// - id: "new-workflow-id"
// - requiredCredentials: ["slack"]
// - fixesApplied: ["typeVersion upgraded", "expression format fixed"]
```
---
## n8n_workflow_versions (VERSION CONTROL)
**Use when**: Managing workflow history, rollback, cleanup
### List Versions
```javascript
n8n_workflow_versions({
mode: "list",
workflowId: "workflow-id",
limit: 10
})
```
### Get Specific Version
```javascript
n8n_workflow_versions({
mode: "get",
versionId: 123
})
```
### Rollback to Previous Version
```javascript
n8n_workflow_versions({
mode: "rollback",
workflowId: "workflow-id",
versionId: 123, // Optional: specific version
validateBefore: true // Default: validate before rollback
})
```
### Delete Versions
```javascript
// Delete specific version
n8n_workflow_versions({
mode: "delete",
workflowId: "workflow-id",
versionId: 123
})
// Delete all versions for workflow
n8n_workflow_versions({
mode: "delete",
workflowId: "workflow-id",
deleteAll: true
})
```
### Prune Old Versions
```javascript
n8n_workflow_versions({
mode: "prune",
workflowId: "workflow-id",
maxVersions: 10 // Keep 10 most recent
})
```
---
## n8n_test_workflow (TRIGGER EXECUTION)
**Use when**: Testing workflow execution
**Auto-detects** trigger type (webhook, form, chat)
```javascript
// Test webhook workflow
n8n_test_workflow({
workflowId: "workflow-id",
triggerType: "webhook", // Optional: auto-detected
httpMethod: "POST",
data: {message: "Hello!"},
waitForResponse: true,
timeout: 120000
})
// Test chat workflow
n8n_test_workflow({
workflowId: "workflow-id",
triggerType: "chat",
message: "Hello, AI agent!",
sessionId: "session-123" // For conversation continuity
})
```
---
## n8n_validate_workflow (by ID)
**Success Rate**: 99.7% | **Speed**: Network-dependent
**Use when**: Validating workflow stored in n8n
**Syntax**:
```javascript
n8n_validate_workflow({
id: "workflow-id",
@@ -248,7 +444,69 @@ n8n_validate_workflow({
})
```
**Returns**: Same as validate_workflow (from validation guide)
---
## n8n_get_workflow
**Use when**: Retrieving workflow details
**Modes**:
- `full` (default) - Complete workflow JSON
- `details` - Full + execution stats
- `structure` - Nodes + connections only
- `minimal` - ID, name, active, tags
```javascript
// Full workflow
n8n_get_workflow({id: "workflow-id"})
// Just structure
n8n_get_workflow({id: "workflow-id", mode: "structure"})
// Minimal metadata
n8n_get_workflow({id: "workflow-id", mode: "minimal"})
```
---
## n8n_executions (EXECUTION MANAGEMENT)
**Use when**: Managing workflow executions
### Get Execution Details
```javascript
n8n_executions({
action: "get",
id: "execution-id",
mode: "summary" // preview, summary, filtered, full, error
})
// Error mode for debugging
n8n_executions({
action: "get",
id: "execution-id",
mode: "error",
includeStackTrace: true
})
```
### List Executions
```javascript
n8n_executions({
action: "list",
workflowId: "workflow-id",
status: "error", // success, error, waiting
limit: 100
})
```
### Delete Execution
```javascript
n8n_executions({
action: "delete",
id: "execution-id"
})
```
---
@@ -265,61 +523,45 @@ n8n_validate_workflow({
→ Check for errors
3. EDIT (iterative! 56s avg between edits)
n8n_update_partial_workflow({id, operations: [...]})
n8n_update_partial_workflow({id, intent: "...", operations: [...]})
→ Make changes
4. VALIDATE AGAIN
n8n_validate_workflow({id})
→ Verify changes
5. ACTIVATE (when ready)
⚠️ **IMPORTANT LIMITATION**: Workflow activation is NOT supported via API or MCP.
Users must activate workflows manually in the n8n UI.
The following operation will NOT activate the workflow:
n8n_update_partial_workflow({id, operations: [{
type: "updateSettings",
settings: {active: true}
}]})
**Manual activation required**: Navigate to workflow in n8n UI and toggle activation.
5. ACTIVATE
n8n_update_partial_workflow({
id,
intent: "Activate workflow",
operations: [{type: "activateWorkflow"}]
})
→ Workflow now runs on triggers!
6. MONITOR
n8n_list_executions({workflowId: id})
n8n_get_execution({id: execution_id})
n8n_executions({action: "list", workflowId: id})
n8n_executions({action: "get", id: execution_id})
```
**Deployment Note**: After creating and validating workflows via MCP, inform users they must:
1. Open the workflow in n8n UI (provide workflow ID)
2. Review the workflow configuration
3. Manually activate the workflow using the activation toggle
---
## Common Patterns from Telemetry
### Pattern 1: Edit → Validate (7,841 occurrences)
```javascript
// Edit
n8n_update_partial_workflow({...})
// ↓ 23s (thinking about what to validate)
// Validate
n8n_validate_workflow({id})
```
### Pattern 2: Validate → Fix (7,266 occurrences)
```javascript
// Validate
n8n_validate_workflow({id})
// ↓ 58s (fixing errors)
// Fix
n8n_update_partial_workflow({...})
```
### Pattern 3: Iterative Building (31,464 occurrences)
```javascript
update update update ... (56s avg between edits)
```
@@ -328,51 +570,24 @@ update → update → update → ... (56s avg between edits)
---
## Retrieval Tools
### n8n_get_workflow
```javascript
n8n_get_workflow({id: "workflow-id"})
// Returns: Complete workflow JSON
```
### n8n_get_workflow_structure
```javascript
n8n_get_workflow_structure({id: "workflow-id"})
// Returns: Nodes + connections only (no parameters)
```
### n8n_get_workflow_minimal
```javascript
n8n_get_workflow_minimal({id: "workflow-id"})
// Returns: ID, name, active, tags only (fast!)
```
### n8n_list_workflows
```javascript
n8n_list_workflows({
active: true, // Optional: filter by status
limit: 100, // Optional: max results
tags: ["production"] // Optional: filter by tags
})
```
---
## Best Practices
### Do
### Do
- Build workflows **iteratively** (avg 56s between edits)
- Include **intent** parameter for better responses
- Use **smart parameters** (branch, case) for clarity
- Validate **after** significant changes
- Use **atomic mode** (default) for critical updates
- Specify **sourceOutput** for AI connections
- Clean stale connections after node renames/deletions
- Use `n8n_deploy_template` for quick starts
- Activate workflows via API when ready
### Don't
### Don't
- Try to build workflows in one shot
- Skip the intent parameter
- Use sourceIndex when branch/case available
- Skip validation before activation
- Forget to test workflows after creation
@@ -383,12 +598,20 @@ n8n_list_workflows({
## Summary
**Most Important**:
1. **n8n_update_partial_workflow** is most-used tool (38,287 uses, 99.0% success)
2. Workflows built **iteratively** (56s avg between edits)
3. Use **smart parameters** (branch="true", case=0) for clarity
4. **AI connections** supported (8 types with sourceOutput)
5. **Auto-sanitization** runs on all operations
6. Validate frequently (7,841 edit → validate patterns)
1. **n8n_update_partial_workflow** is most-used tool (38,287 uses)
2. Include **intent** parameter for better responses
3. Workflows built **iteratively** (56s avg between edits)
4. Use **smart parameters** (branch="true", case=0) for clarity
5. **AI connections** supported (8 types with sourceOutput)
6. **Workflow activation** supported via API (`activateWorkflow` operation)
7. **Auto-sanitization** runs on all operations
8. Use **n8n_deploy_template** for quick starts
**New Tools**:
- `n8n_deploy_template` - Deploy templates directly
- `n8n_workflow_versions` - Version control & rollback
- `n8n_test_workflow` - Trigger execution
- `n8n_executions` - Manage executions
**Related**:
- [SEARCH_GUIDE.md](SEARCH_GUIDE.md) - Find nodes to add

View File

@@ -233,43 +233,27 @@ Deep dive into n8n property dependencies and displayOptions mechanism.
---
## Using get_property_dependencies
## Finding Property Dependencies
### Basic Usage
### Using get_node with search_properties Mode
```javascript
const deps = get_property_dependencies({
nodeType: "nodes-base.httpRequest"
// Find properties related to "body"
get_node({
nodeType: "nodes-base.httpRequest",
mode: "search_properties",
propertyQuery: "body"
});
```
### Example Response
### Using get_node with Full Detail
```javascript
{
"nodeType": "n8n-nodes-base.httpRequest",
"dependencies": {
"body": {
"shows_when": {
"sendBody": [true],
"method": ["POST", "PUT", "PATCH", "DELETE"]
},
"required_when_shown": true
},
"queryParameters": {
"shows_when": {
"sendQuery": [true]
},
"required_when_shown": false
},
"headerParameters": {
"shows_when": {
"sendHeaders": [true]
},
"required_when_shown": false
}
}
}
// Get complete schema with displayOptions
get_node({
nodeType: "nodes-base.httpRequest",
detail: "full"
});
```
### When to Use
@@ -281,7 +265,7 @@ const deps = get_property_dependencies({
- Building dynamic configuration tools
**❌ Don't use when**:
- Simple configuration (use get_node_essentials)
- Simple configuration (use `get_node` with standard detail)
- Just starting configuration
- Field requirements are obvious
@@ -564,9 +548,11 @@ method=POST
**Solution**:
```javascript
// Check dependencies
const deps = get_property_dependencies({
nodeType: "nodes-base.httpRequest"
// Check field dependencies using search_properties
get_node({
nodeType: "nodes-base.httpRequest",
mode: "search_properties",
propertyQuery: "body"
});
// Find that body shows when sendBody=true
@@ -606,8 +592,8 @@ const deps = get_property_dependencies({
**Solution**:
```javascript
// Check essentials for new operation
get_node_essentials({
// Check requirements for new operation
get_node({
nodeType: "nodes-base.slack"
});
@@ -644,9 +630,11 @@ get_node_essentials({
**Solution**: Respect dependencies from the start
```javascript
// Correct approach
get_property_dependencies({
nodeType: "nodes-base.httpRequest"
// Correct approach - check property dependencies
get_node({
nodeType: "nodes-base.httpRequest",
mode: "search_properties",
propertyQuery: "body"
});
// See that body only shows for POST/PUT/PATCH/DELETE
@@ -730,7 +718,7 @@ get_property_dependencies({
1. **Check dependencies when stuck**
```javascript
get_property_dependencies({nodeType: "..."});
get_node({nodeType: "...", mode: "search_properties", propertyQuery: "..."});
```
2. **Configure parent properties first**
@@ -742,7 +730,7 @@ get_property_dependencies({
3. **Validate after changing operation**
```javascript
// Operation changed → requirements changed
validate_node_operation({...});
validate_node({nodeType: "...", config: {...}, profile: "runtime"});
```
4. **Read validation errors for dependency hints**
@@ -791,8 +779,9 @@ get_property_dependencies({
- Field doesn't save → Hidden by dependencies
**Tools**:
- `get_property_dependencies` - See dependency rules
- `get_node_essentials` - See operation requirements
- `get_node({mode: "search_properties"})` - Find property dependencies
- `get_node({detail: "full"})` - See complete schema with displayOptions
- `get_node` - See operation requirements (standard detail)
- Validation errors - Hints about dependencies
**Related Files**:

View File

@@ -1,6 +1,6 @@
---
name: n8n-node-configuration
description: Operation-aware node configuration guidance. Use when configuring nodes, understanding property dependencies, determining required fields, choosing between get_node_essentials and get_node_info, or learning common configuration patterns by node type.
description: Operation-aware node configuration guidance. Use when configuring nodes, understanding property dependencies, determining required fields, choosing between get_node detail levels, or learning common configuration patterns by node type.
---
# n8n Node Configuration
@@ -14,11 +14,11 @@ Expert guidance for operation-aware node configuration with property dependencie
**Progressive disclosure**: Start minimal, add complexity as needed
Configuration best practices:
- get_node_essentials is the most used discovery pattern
- `get_node` with `detail: "standard"` is the most used discovery pattern
- 56 seconds average between configuration edits
- 91.7% success rate with essentials-based configuration
- Covers 95% of use cases with 1-2K tokens response
**Key insight**: Most configurations need only essentials, not full schema!
**Key insight**: Most configurations need only standard detail, not full schema!
---
@@ -79,23 +79,20 @@ Configuration best practices:
### 3. Progressive Discovery
**Use the right tool for the right job**:
**Use the right detail level**:
1. **get_node_essentials** (91.7% success rate)
- Quick overview
- Required fields
- Common options
- **Use first** - covers 90% of needs
1. **get_node({detail: "standard"})** - DEFAULT
- Quick overview (~1-2K tokens)
- Required fields + common options
- **Use first** - covers 95% of needs
2. **get_property_dependencies** (for complex nodes)
- Shows what fields depend on others
- Reveals conditional requirements
- Use when essentials isn't enough
2. **get_node({mode: "search_properties", propertyQuery: "..."})** (for finding specific fields)
- Find properties by name
- Use when looking for auth, body, headers, etc.
3. **get_node_info** (full schema)
- Complete documentation
- All possible fields
- Use when essentials + dependencies insufficient
3. **get_node({detail: "full"})** (complete schema)
- All properties (~3-8K tokens)
- Use only when standard detail is insufficient
---
@@ -106,13 +103,13 @@ Configuration best practices:
```
1. Identify node type and operation
2. Use get_node_essentials
2. Use get_node (standard detail is default)
3. Configure required fields
4. Validate configuration
5. If dependencies unclear → get_property_dependencies
5. If field unclear → get_node({mode: "search_properties"})
6. Add optional fields as needed
@@ -128,9 +125,9 @@ Configuration best practices:
// Goal: POST JSON to API
```
**Step 2**: Get essentials
**Step 2**: Get node info
```javascript
const info = get_node_essentials({
const info = get_node({
nodeType: "nodes-base.httpRequest"
});
@@ -148,7 +145,7 @@ const info = get_node_essentials({
**Step 4**: Validate
```javascript
validate_node_operation({
validate_node({
nodeType: "nodes-base.httpRequest",
config,
profile: "runtime"
@@ -168,7 +165,7 @@ validate_node_operation({
**Step 6**: Validate again
```javascript
validate_node_operation({...});
validate_node({...});
// → Error: "body required when sendBody=true"
```
@@ -191,47 +188,61 @@ validate_node_operation({...});
**Step 8**: Final validation
```javascript
validate_node_operation({...});
validate_node({...});
// → Valid! ✅
```
---
## get_node_essentials vs get_node_info
## get_node Detail Levels
### Use get_node_essentials When:
### Standard Detail (DEFAULT - Use This!)
**✅ Starting configuration** (91.7% success rate)
**✅ Starting configuration**
```javascript
get_node_essentials({
get_node({
nodeType: "nodes-base.slack"
});
// detail="standard" is the default
```
**Returns**:
**Returns** (~1-2K tokens):
- Required fields
- Common options
- Basic examples
- Operation list
- Metadata
**Fast**: ~18 seconds average (from search → essentials)
**Use**: 95% of configuration needs
### Use get_node_info When:
### Full Detail (Use Sparingly)
**Essentials insufficient**
**When standard isn't enough**
```javascript
get_node_info({
nodeType: "nodes-base.slack"
get_node({
nodeType: "nodes-base.slack",
detail: "full"
});
```
**Returns**:
- Full schema
**Returns** (~3-8K tokens):
- Complete schema
- All properties
- Complete documentation
- Advanced options
- All nested options
**Slower**: More data to process
**Warning**: Large response, use only when standard insufficient
### Search Properties Mode
**✅ Looking for specific field**
```javascript
get_node({
nodeType: "nodes-base.httpRequest",
mode: "search_properties",
propertyQuery: "auth"
});
```
**Use**: Find authentication, headers, body fields, etc.
### Decision Tree
@@ -239,27 +250,27 @@ get_node_info({
┌─────────────────────────────────┐
│ Starting new node config? │
├─────────────────────────────────┤
│ YES → get_node_essentials
│ YES → get_node (standard)
└─────────────────────────────────┘
┌─────────────────────────────────┐
Essentials has what you need? │
Standard has what you need?
├─────────────────────────────────┤
│ YES → Configure with essentials
│ YES → Configure with it
│ NO → Continue │
└─────────────────────────────────┘
┌─────────────────────────────────┐
Need dependency info?
Looking for specific field?
├─────────────────────────────────┤
│ YES → get_property_dependencies
│ YES → search_properties mode
│ NO → Continue │
└─────────────────────────────────┘
┌─────────────────────────────────┐
│ Still need more details? │
├─────────────────────────────────┤
│ YES → get_node_info
│ YES → get_node({detail: "full"})
└─────────────────────────────────┘
```
@@ -334,30 +345,27 @@ get_node_info({
}
```
### Using get_property_dependencies
### Finding Property Dependencies
**Example**:
**Use get_node with search_properties mode**:
```javascript
const deps = get_property_dependencies({
nodeType: "nodes-base.httpRequest"
get_node({
nodeType: "nodes-base.httpRequest",
mode: "search_properties",
propertyQuery: "body"
});
// Returns dependency tree
{
"dependencies": {
"body": {
"shows_when": {
"sendBody": [true],
"method": ["POST", "PUT", "PATCH", "DELETE"]
}
},
"queryParameters": {
"shows_when": {
"sendQuery": [true]
}
}
}
}
// Returns property paths matching "body" with descriptions
```
**Or use full detail for complete schema**:
```javascript
get_node({
nodeType: "nodes-base.httpRequest",
detail: "full"
});
// Returns complete schema with displayOptions rules
```
**Use this when**: Validation fails and you don't understand why field is missing/required
@@ -382,7 +390,7 @@ const deps = get_property_dependencies({
**How to configure**:
1. Choose resource
2. Choose operation
3. Use get_node_essentials to see operation-specific requirements
3. Use get_node to see operation-specific requirements
4. Configure required fields
### Pattern 2: HTTP-Based Nodes
@@ -573,14 +581,16 @@ body is required when:
**How to discover**:
```javascript
// Option 1: Read validation error
validate_node_operation({...});
validate_node({...});
// Error: "body required when sendBody=true"
// Option 2: Check dependencies
get_property_dependencies({
nodeType: "nodes-base.httpRequest"
// Option 2: Search for the property
get_node({
nodeType: "nodes-base.httpRequest",
mode: "search_properties",
propertyQuery: "body"
});
// Shows: body → shows_when: sendBody=[true], method=[POST,PUT,PATCH,DELETE]
// Shows: body property with displayOptions rules
// Option 3: Try minimal config and iterate
// Start without body, validation will tell you if needed
@@ -600,10 +610,11 @@ singleValue should be true when:
**Manual check**:
```javascript
get_property_dependencies({
nodeType: "nodes-base.if"
get_node({
nodeType: "nodes-base.if",
detail: "full"
});
// Shows operator-specific dependencies
// Shows complete schema with operator-specific rules
```
---
@@ -651,7 +662,7 @@ n8n_update_partial_workflow({...}); // YOLO
```javascript
// Validate before deploying
const config = {...};
const result = validate_node_operation({...});
const result = validate_node({...});
if (result.valid) {
n8n_update_partial_workflow({...});
}
@@ -681,7 +692,7 @@ if (result.valid) {
**Good**:
```javascript
// Check requirements when changing operation
get_node_essentials({
get_node({
nodeType: "nodes-base.slack"
});
// See what update operation needs (messageId, not channel)
@@ -693,24 +704,24 @@ get_node_essentials({
### ✅ Do
1. **Start with get_node_essentials**
- 91.7% success rate
- Faster than get_node_info
- Sufficient for most needs
1. **Start with get_node (standard detail)**
- ~1-2K tokens response
- Covers 95% of configuration needs
- Default detail level
2. **Validate iteratively**
- Configure → Validate → Fix → Repeat
- Average 2-3 iterations is normal
- Read validation errors carefully
3. **Use property dependencies when stuck**
- If field seems missing, check dependencies
3. **Use search_properties mode when stuck**
- If field seems missing, search for it
- Understand what controls field visibility
- get_property_dependencies reveals rules
- `get_node({mode: "search_properties", propertyQuery: "..."})`
4. **Respect operation context**
- Different operations = different requirements
- Always check essentials when changing operation
- Always check get_node when changing operation
- Don't assume configs are transferable
5. **Trust auto-sanitization**
@@ -720,15 +731,15 @@ get_node_essentials({
### ❌ Don't
1. **Jump to get_node_info immediately**
- Try essentials first
1. **Jump to detail="full" immediately**
- Try standard detail first
- Only escalate if needed
- Full schema is overwhelming
- Full schema is 3-8K tokens
2. **Configure blindly**
- Always validate before deploying
- Understand why fields are required
- Check dependencies for conditional fields
- Use search_properties for conditional fields
3. **Copy configs without understanding**
- Different operations need different fields
@@ -754,10 +765,10 @@ For comprehensive guides on specific topics:
## Summary
**Configuration Strategy**:
1. Start with get_node_essentials (91.7% success)
1. Start with `get_node` (standard detail is default)
2. Configure required fields for operation
3. Validate configuration
4. Check dependencies if stuck
4. Search properties if stuck
5. Iterate until valid (avg 2-3 cycles)
6. Deploy with confidence

View File

@@ -65,8 +65,8 @@ Common validation errors by priority:
**How to identify required fields**:
```javascript
// Use get_node_essentials to see what's required
const info = get_node_essentials({
// Use get_node to see what's required
const info = get_node({
nodeType: "nodes-base.slack"
});
// Check properties marked as "required": true
@@ -868,15 +868,15 @@ let config = {
text: "Hello"
};
validate_node_operation({nodeType: "nodes-base.slack", config});
validate_node({nodeType: "nodes-base.slack", config, profile: "runtime"});
// ✅ Valid
// Step 2: Add features one by one
config.attachments = [...];
validate_node_operation({nodeType: "nodes-base.slack", config});
validate_node({nodeType: "nodes-base.slack", config, profile: "runtime"});
config.blocks = [...];
validate_node_operation({nodeType: "nodes-base.slack", config});
validate_node({nodeType: "nodes-base.slack", config, profile: "runtime"});
```
### Pattern 2: Error Triage
@@ -903,14 +903,14 @@ result.suggestions.forEach(sug => {
});
```
### Pattern 3: Use get_node_essentials
### Pattern 3: Use get_node
**Problem**: Don't know what's required
**Solution**:
```javascript
// Before configuring, check requirements
const info = get_node_essentials({
const info = get_node({
nodeType: "nodes-base.slack"
});
@@ -927,7 +927,7 @@ info.properties.forEach(prop => {
## Summary
**Most Common Errors**:
1. `missing_required` (45%) - Always check get_node_essentials
1. `missing_required` (45%) - Always check get_node
2. `invalid_value` (28%) - Check allowed values
3. `type_mismatch` (12%) - Use correct data types
4. `invalid_expression` (8%) - Use Expression Syntax skill

View File

@@ -530,7 +530,7 @@ Many warnings are context-dependent:
**Development**:
```javascript
validate_node_operation({
validate_node({
nodeType: "nodes-base.slack",
config,
profile: "ai-friendly" // Fewer warnings during development
@@ -539,7 +539,7 @@ validate_node_operation({
**Pre-Production**:
```javascript
validate_node_operation({
validate_node({
nodeType: "nodes-base.slack",
config,
profile: "runtime" // Balanced validation
@@ -548,7 +548,7 @@ validate_node_operation({
**Production Deployment**:
```javascript
validate_node_operation({
validate_node({
nodeType: "nodes-base.slack",
config,
profile: "strict" // All warnings, review each one

View File

@@ -79,13 +79,13 @@ Validation is typically iterative:
```
1. Configure node
2. validate_node_operation (23 seconds thinking about errors)
2. validate_node (23 seconds thinking about errors)
3. Read error messages carefully
4. Fix errors
5. validate_node_operation again (58 seconds fixing)
5. validate_node again (58 seconds fixing)
6. Repeat until valid (usually 2-3 iterations)
```
@@ -98,7 +98,7 @@ let config = {
operation: "create"
};
const result1 = validate_node_operation({
const result1 = validate_node({
nodeType: "nodes-base.slack",
config,
profile: "runtime"
@@ -110,7 +110,7 @@ const result1 = validate_node_operation({
// Iteration 2
config.name = "general";
const result2 = validate_node_operation({
const result2 = validate_node({
nodeType: "nodes-base.slack",
config,
profile: "runtime"
@@ -122,7 +122,7 @@ const result2 = validate_node_operation({
// Iteration 3
config.text = "Hello!";
const result3 = validate_node_operation({
const result3 = validate_node({
nodeType: "nodes-base.slack",
config,
profile: "runtime"
@@ -193,7 +193,7 @@ Choose the right profile for your stage:
**What it means**: A required field is not provided
**How to fix**:
1. Use `get_node_essentials` to see required fields
1. Use `get_node` to see required fields
2. Add the missing field to your configuration
3. Provide an appropriate value
@@ -215,7 +215,7 @@ config.channel = "#general";
**How to fix**:
1. Check error message for allowed values
2. Use `get_node_essentials` to see options
2. Use `get_node` to see options
3. Update to a valid value
**Example**:
@@ -430,7 +430,7 @@ Validation warnings that are technically "wrong" but acceptable in your use case
**Use `ai-friendly` profile**:
```javascript
validate_node_operation({
validate_node({
nodeType: "nodes-base.slack",
config: {...},
profile: "ai-friendly" // Fewer false positives
@@ -585,7 +585,7 @@ validate_workflow({
**When**: Configuration is severely broken
**Steps**:
1. Note required fields from `get_node_essentials`
1. Note required fields from `get_node`
2. Create minimal valid configuration
3. Add features incrementally
4. Validate after each addition
@@ -642,7 +642,7 @@ n8n_autofix_workflow({
- Use `runtime` profile for pre-deployment
- Check `valid` field before assuming success
- Trust auto-sanitization for operator issues
- Use `get_node_essentials` when unclear about requirements
- Use `get_node` when unclear about requirements
- Document false positives you accept
### ❌ Don't

View File

@@ -35,8 +35,9 @@ Teaches architectural patterns for building n8n workflows. Provides structure, b
**n8n-mcp tools**:
- search_nodes (find nodes for patterns)
- get_node_essentials (understand node operations)
- get_node (understand node operations)
- search_templates (find example workflows)
- ai_agents_guide (AI pattern guidance)
**Related skills**:
- n8n MCP Tools Expert (find and configure nodes)
@@ -230,7 +231,7 @@ Use `search_templates` to find examples for your use case!
**Node Discovery** (n8n MCP Tools Expert):
4. Find nodes for pattern (search_nodes)
5. Understand node operations (get_node_essentials)
5. Understand node operations (get_node)
**Implementation** (n8n Expression Syntax + Node Configuration):
6. Write expressions ({{$json.body.field}})

View File

@@ -126,14 +126,14 @@ When building ANY workflow, follow this checklist:
- [ ] Configure error handling
### Validation Phase
- [ ] Validate each node configuration (validate_node_operation)
- [ ] Validate each node configuration (validate_node)
- [ ] Validate complete workflow (validate_workflow)
- [ ] Test with sample data
- [ ] Handle edge cases (empty data, errors)
### Deployment Phase
- [ ] Review workflow settings (execution order, timeout, error handling)
- [ ] Activate workflow ⚠️ **Manual activation required in n8n UI** (API/MCP cannot activate)
- [ ] Activate workflow using `activateWorkflow` operation
- [ ] Monitor first executions
- [ ] Document workflow purpose and data flow
@@ -225,8 +225,10 @@ These skills work together with Workflow Patterns:
**n8n MCP Tools Expert** - Use to:
- Find nodes for your pattern (search_nodes)
- Understand node operations (get_node_essentials)
- Understand node operations (get_node)
- Create workflows (n8n_create_workflow)
- Deploy templates (n8n_deploy_template)
- Use ai_agents_guide for AI pattern guidance
**n8n Expression Syntax** - Use to:
- Write expressions in transformation nodes