# Repository: czlonkowski/n8n-mcp # Stars: 18333 ## CLAUDE.md # CLAUDE.md This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository. > **Note:** This file is committed to a public OSS repository. Never add sensitive information (API keys, internal URLs, credentials, private infrastructure details) here. ## Project Overview n8n-mcp is a comprehensive documentation and knowledge server that provides AI assistants with complete access to n8n node information through the Model Context Protocol (MCP). It serves as a bridge between n8n's workflow automation platform and AI models, enabling them to understand and work with n8n nodes effectively. ### Current Architecture: ``` src/ ├── loaders/ │ └── node-loader.ts # NPM package loader for both packages ├── parsers/ │ ├── node-parser.ts # Enhanced parser with version support │ └── property-extractor.ts # Dedicated property/operation extraction ├── mappers/ │ └── docs-mapper.ts # Documentation mapping with fixes ├── database/ │ ├── schema.sql # SQLite schema │ ├── node-repository.ts # Data access layer │ └── database-adapter.ts # Universal database adapter (NEW in v2.3) ├── services/ │ ├── property-filter.ts # Filters properties to essentials (NEW in v2.4) │ ├── example-generator.ts # Generates working examples (NEW in v2.4) │ ├── task-templates.ts # Pre-configured node settings (NEW in v2.4) │ ├── config-validator.ts # Configuration validation (NEW in v2.4) │ ├── enhanced-config-validator.ts # Operation-aware validation (NEW in v2.4.2) │ ├── node-specific-validators.ts # Node-specific validation logic (NEW in v2.4.2) │ ├── property-dependencies.ts # Dependency analysis (NEW in v2.4) │ ├── type-structure-service.ts # Type structure validation (NEW in v2.22.21) │ ├── expression-validator.ts # n8n expression syntax validation (NEW in v2.5.0) │ └── workflow-validator.ts # Complete workflow validation (NEW in v2.5.0) ├── types/ │ ├── type-structures.ts # Type structure definitions (NEW in v2.22.21) │ ├── instance-context.ts # Multi-tenant instance configuration │ └── session-state.ts # Session persistence types (NEW in v2.24.1) ├── constants/ │ └── type-structures.ts # 22 complete type structures (NEW in v2.22.21) ├── templates/ │ ├── template-fetcher.ts # Fetches templates from n8n.io API (NEW in v2.4.1) │ ├── template-repository.ts # Template database operations (NEW in v2.4.1) │ └── template-service.ts # Template business logic (NEW in v2.4.1) ├── scripts/ │ ├── rebuild.ts # Database rebuild with validation │ ├── validate.ts # Node validation │ ├── test-nodes.ts # Critical node tests │ ├── test-essentials.ts # Test new essentials tools (NEW in v2.4) │ ├── test-enhanced-validation.ts # Test enhanced validation (NEW in v2.4.2) │ ├── test-structure-validation.ts # Test type structure validation (NEW in v2.22.21) │ ├── test-workflow-validation.ts # Test workflow validation (NEW in v2.5.0) │ ├── test-ai-workflow-validation.ts # Test AI workflow validation (NEW in v2.5.1) │ ├── test-mcp-tools.ts # Test MCP tool enhancements (NEW in v2.5.1) │ ├── test-n8n-validate-workflow.ts # Test n8n_validate_workflow tool (NEW in v2.6.3) │ ├── test-typeversion-validation.ts # Test typeVersion validation (NEW in v2.6.1) │ ├── test-workflow-diff.ts # Test workflow diff engine (NEW in v2.7.0) │ ├── test-tools-documentation.ts # Test tools documentation (NEW in v2.7.3) │ ├── fetch-templates.ts # Fetch workflow templates from n8n.io (NEW in v2.4.1) │ └── test-templates.ts # Test template functionality (NEW in v2.4.1) ├── mcp/ │ ├── server.ts # MCP server with enhanced tools │ ├── tools.ts # Tool definitions including new essentials │ ├── tools-documentation.ts # Tool documentation system (NEW in v2.7.3) │ └── index.ts # Main entry point with mode selection ├── utils/ │ ├── console-manager.ts # Console output isolation (NEW in v2.3.1) │ └── logger.ts # Logging utility with HTTP awareness ├── http-server-single-session.ts # Single-session HTTP server (NEW in v2.3.1) │ # Session persistence API (NEW in v2.24.1) ├── mcp-engine.ts # Clean API for service integration (NEW in v2.3.1) │ # Session persistence wrappers (NEW in v2.24.1) └── index.ts # Library exports ``` ## Common Development Commands ```bash # Build and Setup npm run build # Build TypeScript (always run after changes) npm run rebuild # Rebuild node database from n8n packages npm run validate # Validate all node data in database # Testing npm test # Run all tests npm run test:unit # Run unit tests only npm run test:integration # Run integration tests npm run test:coverage # Run tests with coverage report npm run test:watch # Run tests in watch mode npm run test:structure-validation # Test type structure validation (Phase 3) # Run a single test file npm test -- tests/unit/services/property-filter.test.ts # Linting and Type Checking npm run lint # Check TypeScript types (alias for typecheck) npm run typecheck # Check TypeScript types # Running the Server npm start # Start MCP server in stdio mode npm run start:http # Start MCP server in HTTP mode npm run dev # Build, rebuild database, and validate npm run dev:http # Run HTTP server with auto-reload # Update n8n Dependencies npm run update:n8n:check # Check for n8n updates (dry run) npm run update:n8n # Update n8n packages to latest # Database Management npm run db:rebuild # Rebuild database from scratch npm run migrate:fts5 # Migrate to FTS5 search (if needed) # Template Management npm run fetch:templates # Fetch latest workflow templates from n8n.io npm run test:templates # Test template functionality ``` ## High-Level Architecture ### Core Components 1. **MCP Server** (`mcp/server.ts`) - Implements Model Context Protocol for AI assistants - Provides tools for searching, validating, and managing n8n nodes - Supports both stdio (Claude Desktop) and HTTP modes 2. **Database Layer** (`database/`) - SQLite database storing all n8n node information - Universal adapter pattern supporting both better-sqlite3 and sql.js - Full-text search capabilities with FTS5 3. **Node Processing Pipeline** - **Loader** (`loaders/node-loader.ts`): Loads nodes from n8n packages - **Parser** (`parsers/node-parser.ts`): Extracts node metadata and structure - **Property Extractor** (`parsers/property-extractor.ts`): Deep property analysis - **Docs Mapper** (`mappers/docs-mapper.ts`): Maps external documentation 4. **Service Layer** (`services/`) - **Property Filter**: Reduces node properties to AI-friendly essentials - **Config Validator**: Multi-profile validation system - **Type Structure Service**: Validates complex type structures (filter, resourceMapper, etc.) - **Expression Validator**: Validates n8n expression syntax - **Workflow Validator**: Complete workflow structure validation 5. **Template System** (`templates/`) - Fetches and stores workflow templates from n8n.io - Provides pre-built workflow examples - Supports template search and validation ### Key Design Patterns 1. **Repository Pattern**: All database operations go through repository classes 2. **Service Layer**: Business logic separated from data access 3. **Validation Profiles**: Different validation strictness levels (minimal, runtime, ai-friendly, strict) 4. **Diff-Based Updates**: Efficient workflow updates using operation diffs ### MCP Tools Architecture The MCP server exposes tools in several categories: 1. **Discovery Tools**: Finding and exploring nodes 2. **Configuration Tools**: Getting node details and examples 3. **Validation Tools**: Validating configurations before deployment 4. **Workflow Tools**: Complete workflow validation 5. **Management Tools**: Creating and updating workflows (requires API config) ## Memories and Notes for Development ### Development Workflow Reminders - When you make changes to MCP server, you need to ask the user to reload it before you test - When the user asks to review issues, you should use GH CLI to get the issue and all the comments - When the task can be divided into separated subtasks, you should spawn separate sub-agents to handle them in parallel - Use the best sub-agent for the task as per their descriptions ### Testing Best Practices - Always run `npm run build` before testing changes - Use `npm run dev` to rebuild database after package updates - Check coverage with `npm run test:coverage` - Integration tests require a clean database state ### Common Pitfalls - The MCP server needs to be reloaded in Claude Desktop after changes - HTTP mode requires proper CORS and auth token configuration - Database rebuilds can take 2-3 minutes due to n8n package size - Always validate workflows before deployment to n8n ### Performance Considerations - Use `get_node_essentials()` instead of `get_node_info()` for faster responses - Batch validation operations when possible - The diff-based update system saves 80-90% tokens on workflow updates ### Agent Interaction Guidelines - Sub-agents are not allowed to spawn further sub-agents - When you use sub-agents, do not allow them to commit and push. That should be done by you ### Development Best Practices - Run typecheck and lint after every code change # important-instruction-reminders Do what has been asked; nothing more, nothing less. NEVER create files unless they're absolutely necessary for achieving your goal. ALWAYS prefer editing an existing file to creating a new one. NEVER proactively create documentation files (*.md) or README files. Only create documentation files if explicitly requested by the User. - When you make changes to MCP server, you need to ask the user to reload it before you test - When the user asks to review issues, you should use GH CLI to get the issue and all the comments - When the task can be divided into separated subtasks, you should spawn separate sub-agents to handle them in paralel - Use the best sub-agent for the task as per their descriptions - Do not use hyperbolic or dramatic language in comments and documentation - Add to every commit and PR: Concieved by Romuald Członkowski - and then link to www.aiadvisors.pl/en. Don't add it in conversations ## README.md # n8n-MCP [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT) [![GitHub stars](https://img.shields.io/github/stars/czlonkowski/n8n-mcp?style=social)](https://github.com/czlonkowski/n8n-mcp) [![npm version](https://img.shields.io/npm/v/n8n-mcp.svg)](https://www.npmjs.com/package/n8n-mcp) [![codecov](https://codecov.io/gh/czlonkowski/n8n-mcp/graph/badge.svg?token=YOUR_TOKEN)](https://codecov.io/gh/czlonkowski/n8n-mcp) [![Tests](https://img.shields.io/badge/tests-3336%20passing-brightgreen.svg)](https://github.com/czlonkowski/n8n-mcp/actions) [![n8n version](https://img.shields.io/badge/n8n-2.16.1-orange.svg)](https://github.com/n8n-io/n8n) [![Docker](https://img.shields.io/badge/docker-ghcr.io%2Fczlonkowski%2Fn8n--mcp-green.svg)](https://github.com/czlonkowski/n8n-mcp/pkgs/container/n8n-mcp) [![Deploy on Railway](https://railway.com/button.svg)](https://railway.com/deploy/n8n-mcp?referralCode=n8n-mcp) A Model Context Protocol (MCP) server that provides AI assistants with comprehensive access to n8n node documentation, properties, and operations. Deploy in minutes to give Claude and other AI assistants deep knowledge about n8n's 1,505 workflow automation nodes (812 core + 693 community). ## Overview n8n-MCP serves as a bridge between n8n's workflow automation platform and AI models, enabling them to understand and work with n8n nodes effectively. It provides structured access to: - **1,505 n8n nodes** - 812 core nodes + 693 community nodes (605 verified) - **Node properties** - 99% coverage with detailed schemas - **Node operations** - 63.6% coverage of available actions - **Documentation** - 87% coverage from official n8n docs (including AI nodes) - **AI tools** - 265 AI-capable tool variants detected with full documentation - **Real-world examples** - 2,646 pre-extracted configurations from popular templates - **Template library** - 2,709 workflow templates with 100% metadata coverage - **Community nodes** - Search verified community integrations with `source` filter ## Support This Project
Sponsor n8n-mcp
**n8n-mcp** started as a personal tool but now helps tens of thousands of developers automate their workflows efficiently. Maintaining and developing this project competes with my paid work. Your sponsorship helps me dedicate focused time to new features, respond quickly to issues, keep documentation up-to-date, and ensure compatibility with latest n8n releases. **[Become a sponsor](https://github.com/sponsors/czlonkowski)** ## Important Safety Warning **NEVER edit your production workflows directly with AI!** Always: - Make a copy of your workflow before using AI tools - Test in development environment first - Export backups of important workflows - Validate changes before deploying to production AI results can be unpredictable. Protect your work! ## Quick Start **The fastest way to try n8n-MCP** - no installation, no configuration: **[dashboard.n8n-mcp.com](https://dashboard.n8n-mcp.com)** - Free tier: 100 tool calls/day - Instant access: Start building workflows immediately - Always up-to-date: Latest n8n nodes and templates - No infrastructure: We handle everything Just sign up, get your API key, and connect your MCP client. **Want to self-host?** See the [Self-Hosting Guide](./docs/SELF_HOSTING.md) for npx, Docker, Railway, and local installation options. ## n8n Integration Want to use n8n-MCP with your n8n instance? Check out our comprehensive [n8n Deployment Guide](./docs/N8N_DEPLOYMENT.md) for: - Local testing with the MCP Client Tool node - Production deployment with Docker Compose - Cloud deployment on Hetzner, AWS, and other providers - Troubleshooting and security best practices ## Connect your IDE n8n-MCP works with multiple AI-powered IDEs and tools: - [Claude Code](./docs/CLAUDE_CODE_SETUP.md) - Quick setup for Claude Code CLI - [Visual Studio Code](./docs/VS_CODE_PROJECT_SETUP.md) - VS Code with GitHub Copilot integration - [Cursor](./docs/CURSOR_SETUP.md) - Step-by-step Cursor IDE setup - [Windsurf](./docs/WINDSURF_SETUP.md) - Windsurf integration with project rules - [Codex](./docs/CODEX_SETUP.md) - Codex integration guide - [Antigravity](./docs/ANTIGRAVITY_SETUP.md) - Antigravity integration guide ## Add Claude Skills (Optional) Supercharge your n8n workflow building with specialized skills that teach AI how to build production-ready workflows! [![n8n-mcp Skills Setup](./docs/img/skills.png)](https://www.youtube.com/watch?v=e6VvRqmUY2Y) Learn more: [n8n-skills repository](https://github.com/czlonkowski/n8n-skills) ## Claude Project Setup For the best results when using n8n-MCP with Claude Projects, use these enhanced system instructions: ````markdown You are an expert in n8n automation software using n8n-MCP tools. Your role is to design, build, and validate n8n workflows with maximum accuracy and efficiency. ## Core Principles ### 1. Silent Execution CRITICAL: Execute tools without commentary. Only respond AFTER all tools complete. ### 2. Parallel Execution When operations are independent, execute them in parallel for maximum performance. ### 3. Templates First ALWAYS check templates before building from scratch (2,709 available). ### 4. Multi-Level Validation Use validate_node(mode='minimal') → validate_node(mode='full') → validate_workflow pattern. ### 5. Never Trust Defaults CRITICAL: Default parameter values are the #1 source of runtime failures. ALWAYS explicitly configure ALL parameters that control node behavior. ## Workflow Process 1. **Start**: Call `tools_documentation()` for best practices 2. **Template Discovery Phase** (FIRST - parallel when searching multiple) - `search_templates({searchMode: 'by_metadata', complexity: 'simple'})` - Smart filtering - `search_templates({searchMode: 'by_task', task: 'webhook_processing'})` - Curated by task - `search_templates({query: 'slack notification'})` - Text search (default searchMode='keyword') - `search_templates({searchMode: 'by_nodes', nodeTypes: ['n8n-nodes-base.slack']})` - By node type **Filtering strategies**: - Beginners: `complexity: "simple"` + `maxSetupMinutes: 30` - By role: `targetAudience: "marketers"` | `"developers"` | `"analysts"` - By time: `maxSetupMinutes: 15` for quick wins - By service: `requiredService: "openai"` for compatibility 3. **Node Discovery** (if no suitable template - parallel execution) - Think deeply about requirements. Ask clarifying questions if unclear. - `search_nodes({query: 'keyword', includeExamples: true})` - Parallel for multiple nodes - `search_nodes({query: 'trigger'})` - Browse triggers - `search_nodes({query: 'AI agent langchain'})` - AI-capable nodes 4. **Configuration Phase** (parallel for multiple nodes) - `get_node({nodeType, detail: 'standard', includeExamples: true})` - Essential properties (default) - `get_node({nodeType, detail: 'minimal'})` - Basic metadata only (~200 tokens) - `get_node({nodeType, detail: 'full'})` - Complete information (~3000-8000 tokens) - `get_node({nodeType, mode: 'search_properties', propertyQuery: 'auth'})` - Find specific properties - `get_node({nodeType, mode: 'docs'})` - Human-readable markdown documentation - Show workflow architecture to user for approval before proceeding 5. **Validation Phase** (parallel for multiple nodes) - `validate_node({nodeType, config, mode: 'minimal'})` - Quick required fields check - `validate_node({nodeType, config, mode: 'full', profile: 'runtime'})` - Full validation with fixes - Fix ALL errors before proceeding 6. **Building Phase** - If using template: `get_template(templateId, {mode: "full"})` - **MANDATORY ATTRIBUTION**: "Based on template by **[author.name]** (@[username]). View at: [url]" - Build from validated configurations - EXPLICITLY set ALL parameters - never rely on defaults - Connect nodes with proper structure - Add error handling - Use n8n expressions: $json, $node["NodeName"].json - Build in artifact (unless deploying to n8n instance) 7. **Workflow Validation** (before deployment) - `validate_workflow(workflow)` - Complete validation - `validate_workflow_connections(workflow)` - Structure check - `validate_workflow_expressions(workflow)` - Expression validation - Fix ALL issues before deployment 8. **Deployment** (if n8n API configured) - `n8n_create_workflow(workflow)` - Deploy - `n8n_validate_workflow({id})` - Post-deployment check - `n8n_update_partial_workflow({id, operations: [...]})` - Batch updates - `n8n_test_workflow({workflowId})` - Test workflow execution ## Critical Warnings ### Never Trust Defaults Default values cause runtime failures. Example: ```json // FAILS at runtime {resource: "message", operation: "post", text: "Hello"} // WORKS - all parameters explicit {resource: "message", operation: "post", select: "channel", channelId: "C123", text: "Hello"} ``` ### Example Availability `includeExamples: true` returns real configurations from workflow templates. - Coverage varies by node popularity - When no examples available, use `get_node` + `validate_node({mode: 'minimal'})` ## Validation Strategy ### Level 1 - Quick Check (before building) `validate_node({nodeType, config, mode: 'minimal'})` - Required fields only (<100ms) ### Level 2 - Comprehensive (before building) `validate_node({nodeType, config, mode: 'full', profile: 'runtime'})` - Full validation with fixes ### Level 3 - Complete (after building) `validate_workflow(workflow)` - Connections, expressions, AI tools ### Level 4 - Post-Deployment 1. `n8n_validate_workflow({id})` - Validate deployed workflow 2. `n8n_autofix_workflow({id})` - Auto-fix common errors 3. `n8n_executions({action: 'list'})` - Monitor execution status ## Response Format ### Initial Creation ``` [Silent tool execution in parallel] Created workflow: - Webhook trigger → Slack notification - Configured: POST /webhook → #general channel Validation: All checks passed ``` ### Modifications ``` [Silent tool execution] Updated workflow: - Added error handling to HTTP node - Fixed required Slack parameters Changes validated successfully. ``` ## Batch Operations Use `n8n_update_partial_workflow` with multiple operations in a single call: GOOD - Batch multiple operations: ```json n8n_update_partial_workflow({ id: "wf-123", operations: [ {type: "updateNode", nodeId: "slack-1", changes: {...}}, {type: "updateNode", nodeId: "http-1", changes: {...}}, {type: "cleanStaleConnections"} ] }) ``` BAD - Separate calls: ```json n8n_update_partial_workflow({id: "wf-123", operations: [{...}]}) n8n_update_partial_workflow({id: "wf-123", operations: [{...}]}) ``` ### CRITICAL: addConnection Syntax The `addConnection` operation requires **four separate string parameters**. Common mistakes cause misleading errors. CORRECT - Four separate string parameters: ```json { "type": "addConnection", "source": "node-id-string", "target": "target-node-id-string", "sourcePort": "main", "targetPort": "main" } ``` **Reference**: [GitHub Issue #327](https://github.com/czlonkowski/n8n-mcp/issues/327) ### CRITICAL: IF Node Multi-Output Routing IF nodes have **two outputs** (TRUE and FALSE). Use the **`branch` parameter** to route to the correct output: ```json n8n_update_partial_workflow({ id: "workflow-id", operations: [ {type: "addConnection", source: "If Node", target: "True Handler", sourcePort: "main", targetPort: "main", branch: "true"}, {type: "addConnection", source: "If Node", target: "False Handler", sourcePort: "main", targetPort: "main", branch: "false"} ] }) ``` **Note**: Without the `branch` parameter, both connections may end up on the same output, causing logic errors! ### removeConnection Syntax Use the same four-parameter format: ```json { "type": "removeConnection", "source": "source-node-id", "target": "target-node-id", "sourcePort": "main", "targetPort": "main" } ``` ## Important Rules ### Core Behavior 1. **Silent execution** - No commentary between tools 2. **Parallel by default** - Execute independent operations simultaneously 3. **Templates first** - Always check before building (2,709 available) 4. **Multi-level validation** - Quick check → Full validation → Workflow validation 5. **Never trust defaults** - Explicitly configure ALL parameters ### Attribution & Credits - **MANDATORY TEMPLATE ATTRIBUTION**: Share author name, username, and n8n.io link - **Template validation** - Always validate before deployment (may need updates) ### Code Node Usage - **Avoid when possible** - Prefer standard nodes - **Only when necessary** - Use code node as last resort - **AI tool capability** - ANY node can be an AI tool (not just marked ones) ### Most Popular n8n Nodes (for get_node): 1. **n8n-nodes-base.code** - JavaScript/Python scripting 2. **n8n-nodes-base.httpRequest** - HTTP API calls 3. **n8n-nodes-base.webhook** - Event-driven triggers 4. **n8n-nodes-base.set** - Data transformation 5. **n8n-nodes-base.if** - Conditional routing 6. **n8n-nodes-base.manualTrigger** - Manual workflow execution 7. **n8n-nodes-base.respondToWebhook** - Webhook responses 8. **n8n-nodes-base.scheduleTrigger** - Time-based triggers 9. **@n8n/n8n-nodes-langchain.agent** - AI agents 10. **n8n-nodes-base.googleSheets** - Spreadsheet integration 11. **n8n-nodes-base.merge** - Data merging 12. **n8n-nodes-base.switch** - Multi-branch routing 13. **n8n-nodes-base.telegram** - Telegram bot integration 14. **@n8n/n8n-nodes-langchain.lmChatOpenAi** - OpenAI chat models 15. **n8n-nodes-base.splitInBatches** - Batch processing 16. **n8n-nodes-base.openAi** - OpenAI legacy node 17. **n8n-nodes-base.gmail** - Email automation 18. **n8n-nodes-base.function** - Custom functions 19. **n8n-nodes-base.stickyNote** - Workflow documentation 20. **n8n-nodes-base.executeWorkflowTrigger** - Sub-workflow calls **Note:** LangChain nodes use the `@n8n/n8n-nodes-langchain.` prefix, core nodes use `n8n-nodes-base.` ```` Save these instructions in your Claude Project for optimal n8n workflow assistance with intelligent template discovery. ## Available MCP Tools ### Core Tools (7 tools) - **`tools_documentation`** - Get documentation for any MCP tool (START HERE!) - **`search_nodes`** - Full-text search across all nodes. Use `source: 'community'|'verified'` for community nodes, `includeExamples: true` for configs - **`get_node`** - Unified node information tool with multiple modes: - **Info mode** (default): `detail: 'minimal'|'standard'|'full'`, `includeExamples: true` - **Docs mode**: `mode: 'docs'` - Human-readable markdown documentation - **Property search**: `mode: 'search_properties'`, `propertyQuery: 'auth'` - **Versions**: `mode: 'versions'|'compare'|'breaking'|'migrations'` - **`validate_node`** - Unified node validation: - `mode: 'minimal'` - Quick required fields check (<100ms) - `mode: 'full'` - Comprehensive validation with profiles (minimal, runtime, ai-friendly, strict) - **`validate_workflow`** - Complete workflow validation including AI Agent validation - **`search_templates`** - Unified template search: - `searchMode: 'keyword'` (default) - Text search with `query` parameter - `searchMode: 'by_nodes'` - Find templates using specific `nodeTypes` - `searchMode: 'by_task'` - Curated templates for common `task` types - `searchMode: 'by_metadata'` - Filter by `complexity`, `requiredService`, `targetAudience` - **`get_template`** - Get complete workflow JSON (modes: nodes_only, structure, full) ### n8n Management Tools (13 tools - Requires API Configuration) These tools require `N8N_API_URL` and `N8N_API_KEY` in your configuration. #### Workflow Management - **`n8n_create_workflow`** - Create new workflows with nodes and connections - **`n8n_get_workflow`** - Unified workflow retrieval (modes: full, details, structure, minimal) - **`n8n_update_full_workflow`** - Update entire workflow (complete replacement) - **`n8n_update_partial_workflow`** - Update workflow using diff operations - **`n8n_delete_workflow`** - Delete workflows permanently - **`n8n_list_workflows`** - List workflows with filtering and pagination - **`n8n_validate_workflow`** - Validate workflows in n8n by ID - **`n8n_autofix_workflow`** - Automatically fix common workflow errors - **`n8n_workflow_versions`** - Manage version history and rollback - **`n8n_deploy_template`** - Deploy templates from n8n.io directly to your instance with auto-fix #### Execution Management - **`n8n_test_workflow`** - Test/trigger workflow execution (webhook, form, chat) - **`n8n_executions`** - Unified execution management (list, get, delete) #### Credential Management - **`n8n_manage_credentials`** - Manage n8n credentials (list, get, create, update, delete, getSchema) #### Security & Audit - **`n8n_audit_instance`** - Security audit combining n8n's built-in audit API with deep workflow scanning #### System Tools - **`n8n_health_check`** - Check n8n API connectivity and features ## Documentation - [Self-Hosting Guide](./docs/SELF_HOSTING.md) - npx, Docker, Railway, and local installation - [Security & Hardening](./docs/SECURITY_HARDENING.md) - Trust model, hardening options, workflow restrictions - [n8n Deployment Guide](./docs/N8N_DEPLOYMENT.md) - Production deployment with n8n - [Database Configuration](./docs/DATABASE_CONFIGURATION.md) - SQLite adapters and memory optimization - [Privacy & Telemetry](./PRIVACY.md) - What we collect and how to opt out - [Workflow Diff Operations](./docs/workflow-diff-examples.md) - Token-efficient workflow updates - [HTTP Deployment](./docs/HTTP_DEPLOYMENT.md) - Remote server setup - [Change Log](./CHANGELOG.md) - Complete version history ## License MIT License - see [LICENSE](LICENSE) for details. ## Contributing See [CONTRIBUTING.md](./CONTRIBUTING.md) for development setup, testing, and contribution guidelines. ## Acknowledgments See [Acknowledgments](./docs/ACKNOWLEDGMENTS.md) for credits and template attribution. ---
Built with care for the n8n community