n8n-MCP is a Model Context Protocol server that gives AI assistants structured knowledge of n8n's workflow-automation nodes, including their properties, operations, documentation, and examples. It helps developers use AI assistants to create and work with n8n workflows. The catalogue contains skills, agents, and instructions for using it.
Borrowing it
Nothing to install: this file belongs to czlonkowski/n8n-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/czlonkowski/n8n-mcp/main/CLAUDE.mdgit clone --depth 1 https://github.com/czlonkowski/n8n-mcpWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/instructions/czlonkowski/n8n-mcp/claude-md)<a href="https://agentmods.dev/instructions/czlonkowski/n8n-mcp/claude-md"><img src="https://agentmods.dev/badge/instructions/czlonkowski/n8n-mcp/claude-md.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.01299 | $0.01299 |
| Opus 5 | $0.00649 | $0.00649 |
| Sonnet 5 | $0.00260 | $0.00260 |
| Haiku 4.5 | $0.00130 | $0.00130 |
Grade A, and why
n8n-mcp CLAUDE.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
Copies of this mod
2 near-identical copies found in the catalogue:
- n8n-mcp CLAUDE.md — 100% identical, 2 lines differ
- mcp CLAUDE.md — 100% identical, 2 lines differ
How it starts
The opening of the file, as written. The whole thing — 102 lines — stays where its author put it; the contents beside it link to each section on GitHub.
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 an MCP (Model Context Protocol) server that gives AI assistants access to n8n node documentation, workflow validation, and workflow management. Documentation and validation tools work offline against a bundled SQLite database of node information; management tools (n8n_*) operate on a live n8n instance when API credentials are configured.
Common Development Commands
# Build
npm run build # Compile TypeScript (always run after changes)
npm run build:all # Sync skills pack + build UI apps + compile
npm run rebuild # Rebuild node database from n8n packages
npm run validate # Validate node data in database
npm run dev # build + rebuild + validate
# Testing
npm test # Run all tests (vitest)
npm run test:unit # Unit tests only
npm run test:integration # Integration tests
npm run test:e2e # End-to-end tests
npm run test:coverage # Coverage report
npm test -- tests/unit/services/property-filter.test.ts # Single file
# Type checking
npm run typecheck # tsc --noEmit (npm run lint is an alias)
# Running the server
npm start # MCP server in stdio mode
npm run start:http # MCP server in HTTP mode
npm run dev:http # HTTP server with auto-reload
# n8n dependency updates — follow MEMORY_N8N_UPDATE.md
npm run update:n8n:check # Dry run
npm run update:n8n # Update n8n packages
# Templates and community nodes
npm run fetch:templates # Fetch workflow templates from n8n.io — see MEMORY_TEMPLATE_UPDATE.md
npm run fetch:community # Fetch/refresh community nodes (upserts; preserves existing docs)
npm run generate:docs:incremental # Generate AI docs for community nodes missing them
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 4d ago Changed · +1 tokens per session 5062fa983232
- 8d ago First seen · 102 lines · 1,298 tokens per session scan A 4b19d640d62d
n8n-mcp CLAUDE.md is an instructions file published in the GitHub repository czlonkowski/n8n-mcp (22,843 stars, last pushed today), licensed MIT. It adds 1,299 tokens to every session, about $0.0065 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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