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

CLAUDE.md

@@ -0,0 +1,35 @@
+# 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.