What is n8n-mcp CLAUDE.md?

A set of project instructions for n8n-mcp, a server that gives AI assistants n8n documentation, validation, and workflow-management tools. It covers development commands, testing, and repository rules.

Use it when developing n8n-mcp to build the project, rebuild or validate its node database, run tests, and follow its repository conventions.

It gives coding agents the project context needed to change n8n-mcp safely and consistently, while avoiding secrets and checking that changes work.

How PCT-BR/n8n-mcp configures Claude Code

Reuse

Borrowing it

Nothing to install: this file belongs to PCT-BR/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.

Copy the file

curl -O https://raw.githubusercontent.com/PCT-BR/n8n-mcp/agent/update-agents-guidance/CLAUDE.md

Clone the repo

git clone --depth 1 https://github.com/PCT-BR/n8n-mcp

Made for: Claude Code.

Wrote 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.

README.md

[![agentmods](https://agentmods.dev/badge/instructions/pct-br/n8n-mcp/claude-md/github.svg)](https://agentmods.dev/instructions/pct-br/n8n-mcp/claude-md)

Your own site

<a href="https://agentmods.dev/instructions/pct-br/n8n-mcp/claude-md"><img src="https://agentmods.dev/badge/instructions/pct-br/n8n-mcp/claude-md/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/instructions/pct-br/n8n-mcp/claude-md"><img src="https://agentmods.dev/badge/instructions/pct-br/n8n-mcp/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 1,298 This file is loaded in full into every session.

When invoked 1,298 The same file — it is already loaded in full.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin 100% copy Near-identical to another mod in the catalogue.

Token cost

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	$0.01298	$0.01298
Opus 5	$0.00649	$0.00649
Sonnet 5	$0.00260	$0.00260
Haiku 4.5	$0.00130	$0.00130

Measured 8d ago against content hash 4b19d640d62d, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

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 8d 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.

Origin

This is a copy

100% identical to n8n-mcp CLAUDE.md — 2 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

CLAUDE.md · 102 lines

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

Read the full file on GitHub · 102 lines

Changes

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.

8d ago First seen · 102 lines · 1,298 tokens per session scan A 4b19d640d62d

Subscribe to this mod's changes

n8n-mcp CLAUDE.md is an instructions file published in the GitHub repository PCT-BR/n8n-mcp (0 stars, last pushed 22d ago), licensed MIT. It adds 1,298 tokens to every session, about $0.0065 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to n8n-mcp CLAUDE.md, differing in 2 lines, and is treated as a copy.

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n8n-mcp: Instructions file for Claude Code