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N8N MCP Server

Production-ready MCP server that brings N8N workflow automation to both Claude.ai and ChatGPT. Supports multi-tenant OAuth/SSE integration with dynamic N8N instance configuration.

→ rajtrafficradius/n8n-mcpv2· 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.
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
🔐
You'll be asked for 4 credentials: ADMIN_PASSWORD, API_TOKEN, N8N_API_KEY, N8N_API_TOKEN
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies16 high14 low

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

high@modelcontextprotocol/sdk@0.7.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@0.7.0GHSA-w48q-cv73-mx4w

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

highaxios@1.6.2GHSA-35jp-ww65-95wh

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

highaxios@1.6.2GHSA-3g43-6gmg-66jw

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

highaxios@1.6.2GHSA-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.
🔐 secretADMIN_PASSWORD— your-secure-password
configADMIN_USERNAME— admin # Change these in production
🔐 secretAPI_TOKEN
configCORS_ORIGIN— Set to a comma-separated allowlist. Use the exact origins ChatGPT uses (currently https://chat.openai.com and/or https://chatgpt.com).
configHOST— Server host (default: 0.0.0.0) No
configMCP_MODE— For a production ChatGPT Connector run the OAuth flavour (=oauth). This exposes the same SSE endpoint at /mcp, but requires the user to sign in before a session is created.
configMCP_SERVER_URL
🔐 secretN8N_API_KEY— your-n8n-api-key
🔐 secretN8N_API_TOKEN
configN8N_API_URL
configN8N_BASE_URL
configN8N_HOST— The server persists /N8N_API_KEY under /app/data/n8n-credentials.json when set via the set_n8n_credentials tool or SSE ?n8n_host=&n8n_key= query.
configPORT— 3007 # Default OAuth port
configSERVER_URL— Override server URL for OAuth endpoints No
// 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 5 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/rajtrafficradius-n8n-mcpv2-196sba)](https://m8ven.ai/mcp/rajtrafficradius-n8n-mcpv2-196sba)
commit: 3ecb32393d4c8fe334bbac75cbf7fd70e5896f59
code hash: 3a8f55fb0c2d165b4c34d0e805c64aa63ef80f620b090b0070abfef108621337
verified: 6/10/2026, 10:46:08 AM
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