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* fix: synchronize tool documentation with v2.26.0 tool consolidation (v2.26.2) - Delete 23 obsolete documentation files for removed tools - Create consolidated documentation for get_node, validate_node, n8n_executions - Update search_templates with all searchModes - Update n8n_get_workflow with all modes - Fix stale relatedTools references - Update tools-documentation.ts overview to reflect 19 consolidated tools Conceived by Romuald Członkowski - www.aiadvisors.pl/en 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> * fix: address code review - fix remaining stale tool references - Fix relatedTools in system/tools-documentation.ts (get_node_for_task → search_templates) - Fix relatedTools in validation/validate-workflow.ts (remove references to removed tools) - Fix relatedTools in n8n-autofix-workflow.ts (remove references to removed tools) - Update tools-n8n-friendly.ts with consolidated tools (validate_node, get_node, search_templates) Conceived by Romuald Członkowski - www.aiadvisors.pl/en 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> * fix: address final code review - fix remaining stale references - Fix ai-agents-guide.ts: get_node_essentials → get_node, remove list_ai_tools - Fix get-template.ts: list_node_templates → search_templates, remove get_templates_for_task - Fix n8n-list-workflows.ts: n8n_get_workflow_minimal → n8n_get_workflow, n8n_list_executions → n8n_executions - Fix n8n-trigger-webhook-workflow.ts: n8n_get_execution/n8n_list_executions → n8n_executions - Fix n8n-delete-workflow.ts: n8n_get_workflow_minimal → n8n_get_workflow, n8n_delete_execution → n8n_executions - Fix CHANGELOG date typo: 2025-01-25 → 2025-11-25 Conceived by Romuald Członkowski - www.aiadvisors.pl/en 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> * test: adjust comprehensive docs threshold after tool consolidation Reduce expected character count from 5000 to 4000 in tool-invocation.test.ts to account for reduced documentation after v2.26.0 tool consolidation (31→19 tools, actual output is ~4645 chars). Conceived by Romuald Członkowski - www.aiadvisors.pl/en 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> --------- Co-authored-by: Claude <noreply@anthropic.com>
MCP Protocol Integration Tests
This directory contains comprehensive integration tests for the Model Context Protocol (MCP) implementation in n8n-mcp.
Test Structure
Core Tests
- basic-connection.test.ts - Tests basic MCP server functionality and tool execution
- protocol-compliance.test.ts - Tests JSON-RPC 2.0 compliance and protocol specifications
- tool-invocation.test.ts - Tests all MCP tool categories and their invocation
- session-management.test.ts - Tests session lifecycle, multiple sessions, and recovery
- error-handling.test.ts - Tests error handling, edge cases, and invalid inputs
- performance.test.ts - Performance benchmarks and stress tests
Helper Files
- test-helpers.ts - TestableN8NMCPServer wrapper for testing with custom transports
Running Tests
# Run all MCP protocol tests
npm test -- tests/integration/mcp-protocol/
# Run specific test file
npm test -- tests/integration/mcp-protocol/basic-connection.test.ts
# Run with coverage
npm test -- tests/integration/mcp-protocol/ --coverage
Test Coverage
These tests ensure:
- ✅ JSON-RPC 2.0 protocol compliance
- ✅ Proper request/response handling
- ✅ All tool categories are tested
- ✅ Error handling and edge cases
- ✅ Session management and lifecycle
- ✅ Performance and scalability
Known Issues
- The InMemoryTransport from MCP SDK has some limitations with connection lifecycle
- Tests use the actual database, so they require
data/nodes.dbto exist - Some tests are currently skipped due to transport issues (being worked on)
Future Improvements
- Mock the database for true unit testing
- Add WebSocket transport tests
- Add authentication/authorization tests
- Add rate limiting tests
- Add more performance benchmarks