n8n MCP Server

Item: n8n MCP Server
Rating: 56
Author: M8ven

Wraps the n8n self-hosted REST API to let Claude and MCP-compatible LLMs manage workflows, executions, credentials, and more via natural language.

→ verzth/mcp-n8n · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 16 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

✅

39 tools verified — handlers match their declared behaviour

14 read-only tools verified — handlers contain no write/delete/exec

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

🔐

You'll be asked for 1 credential: N8N_API_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// known CVEs in dependencies16 high12 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.6.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.6.1GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

highaxios@1.7.9GHSA-35jp-ww65-95wh

axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`

highaxios@1.7.9GHSA-3g43-6gmg-66jw

axios Vulnerable to Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge

highaxios@1.7.9GHSA-43fc-jf86-j433

Axios is Vulnerable to Denial of Service via __proto__ Key in mergeConfig

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// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

🔐 secretN8N_API_KEY— "": "your-api-key-here"

configN8N_BASE_URL— "": "https://your-n8n-instance.example.com",

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 3 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/verzth-mcp-n8n-36eqx6)](https://m8ven.ai/mcp/verzth-mcp-n8n-36eqx6)

commit: 1e6394f93deb0dd5a82ac3b0f2aaf8491fc6ecc8

code hash: 01313e6e1b0d8dc8717a2f0c5b914d4ae992b995192910e5aa4f49ab996edeff

verified: 6/10/2026, 10:17:38 AM

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