Add .gitignore for Node.js/Docker project and CLAUDE.md

- Add comprehensive .gitignore with Node.js patterns
- Exclude .env files and variants
- Add Docker Compose exclusions
- Create CLAUDE.md for repository guidance

.gitignore

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+# Dependencies
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+# Environment variables
+.env
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+.env*.local
+
+# Build output
+dist/
+build/
+out/
+.next/
+.nuxt/
+.cache/
+.parcel-cache/
+
+# IDE and editor files
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+.DS_Store
+Thumbs.db
+
+# Logs
+logs/
+*.log
+
+# Testing
+coverage/
+.nyc_output/
+
+# TypeScript
+*.tsbuildinfo
+.tsc-cache/
+
+# Package manager files
+.npm/
+.yarn/
+.pnp.*
+.yarn-integrity
+
+# Docker
+.dockerignore
+docker-compose.override.yml
+
+# Miscellaneous
+.eslintcache
+.stylelintcache
+*.pid
+*.seed
+*.pid.lock
+.grunt/
+.lock-wscript
+.node_repl_history
+.npmrc
+.yarnrc

CLAUDE.md

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+# CLAUDE.md
+
+This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
+
+## Project Overview
+
+This is the n8n-mcp repository, which appears to be intended for integrating n8n (workflow automation tool) with MCP (Model Context Protocol). The project is currently in its initial state with no implementation yet.
+
+## Current State
+
+The repository is newly initialized with:
+- A basic README.md file
+- Git repository initialized on the main branch
+- Claude settings allowing bash commands (find and ls)
+
+## Development Notes
+
+Since this is a blank project, when implementing features:
+
+1. **Project Setup**: If creating a Node.js/TypeScript project (common for n8n integrations), ensure to:
+   - Initialize with appropriate package.json
+   - Set up TypeScript configuration if needed
+   - Configure appropriate build and test scripts
+
+2. **MCP Integration**: When implementing MCP server functionality:
+   - Follow the MCP specification for server implementation
+   - Ensure proper protocol handling for n8n integration
+
+3. **n8n Integration**: When working with n8n:
+   - Consider n8n's node structure and API requirements
+   - Implement appropriate credentials and connection handling
+
+## Repository Structure
+
+Currently minimal - structure will need to be established based on project requirements.