N8N MCP Server (rajtrafficradius/n8n-mcpv2) is an MCP server listed on the M8ven Trust Index. It scores 48 out of 100, grade D. It declares 14 tools. No publisher has claimed this listing.

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D
Caution
48/100

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

Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

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Who stands behind it

rajtrafficradius

Source: Glama

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Install from

Glamanot scored here

The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.

// key findings
🚨
Secret credentials may flow to a network call
3 flows detected: N8N_API_KEY. We can’t prove the destination matches the brand the credential belongs to.
⚠️
Known vulnerabilities in dependencies: 13 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
🔐
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 dependencies13 high5 medium12 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-w48q-cv73-mx4w

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

highaxios@1.10.0GHSA-35jp-ww65-95wh

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

highaxios@1.10.0GHSA-3g43-6gmg-66jw

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

highaxios@1.10.0GHSA-43fc-jf86-j433

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

highaxios@1.10.0GHSA-4hjh-wcwx-xvwj

Axios is vulnerable to DoS attack through lack of data size check

Depend on this server? Get alerted when its CVEs change.Watch this server free →
// environment variables
To run this server yourself, you supply these values. They go in your own MCP client configuration and stay on your machine. The secret label means the value is sensitive, not that the server mishandles it.
🔐 secretADMIN_PASSWORDYes
configADMIN_USERNAMEYes
🔐 secretAPI_TOKEN
configCORS_ORIGINSet to a comma-separated allowlist. Use the exact origins ChatGPT uses (currently https://chat.openai.com and/or https://chatgpt.com).
configHOSTServer host (default: 0.0.0.0) No
configMCP_MODEFor 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_KEYThe server persists N8N_HOST/ under /app/data/n8n-credentials.json when set via the set_n8n_credentials tool or SSE ?n8n_host=&n8n_key= query.
🔐 secretN8N_API_TOKEN
configN8N_API_URL
configN8N_BASE_URL
configN8N_HOSTThe 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.
configSERVER_URLOverride server URL for OAuth endpoints No
Deployment configuration, supplied by whoever hosts the server. Users are not asked for these.
deployPORT
// quality suggestions

Tool annotations

No tools have read-only/destructive annotations

Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.

All four hints declared on every tool

14/14 tools missing one or more hints — list_workflows (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); retry_execution (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); delete_execution (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +11 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.

For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.

License file

No license file

Add a LICENSE file (MIT, Apache-2.0, etc.).

Tests exist

No test files found

Add tests that exercise each declared tool.

Production dependencies are patched

0 critical, 13 high severity in production deps — @modelcontextprotocol/sdk@0.7.0 (high), axios@1.10.0 (high)

Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.

Dependency freshness

3/17 production deps abandoned (no release in 2+ years): jsonrpc-lite@2022-06-19 (4.2y), node-fetch@2023-11-30 (2.8y), passport-oauth2@2024-02-02 (2.6y)

Claim the listing to review these findings one by one and send us a correction where you disagree, straight to the team. Claiming also means we tell you when the grade moves, and reach you first if we find anything urgent.

// full audit trail
The findings above are the summary. The full trail, every check we ran, each deduction, the network hosts observed and the dependency advisories, goes to verified publishers, along with an alert whenever a new one lands. Verified publishers can also review each finding and dispute it in one click. Publisher corrections have sharpened several of our checks this month, because the maintainer knows the codebase better than any scanner.
// 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
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commit: 3ecb32393d4c8fe334bbac75cbf7fd70e5896f59
code hash: 3a8f55fb0c2d165b4c34d0e805c64aa63ef80f620b090b0070abfef108621337
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