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Oauth Auditor MCP Server

local only

Oauth Auditor runs on your own machine — the client starts it, so there is no endpoint to ping. 380 installs a week from npm. Last commit 11 Oct 2026.

Scans MCP server auth code for OAuth 2.1 anti-patterns: token passthrough, missing audience

Installs per day peak 282 · avg 33 · -32% w/w
a month agotoday
380
Installs / week
npm · @guardbee/mcp-oauth-auditor
1
Stars
0 open issues
11 Oct 2026
Last commit
6 releases in 90 days
—
License
TypeScript

Nothing serious here today

Today is the operative word: we check Oauth Auditor every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

run in your terminal
claude mcp add oauth-auditor -- npx -y @guardbee/mcp-oauth-auditor
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "oauth-auditor": {
      "args": [
        "-y",
        "@guardbee/mcp-oauth-auditor"
      ],
      "command": "npx"
    }
  }
}
~/.codex/config.toml
[mcp_servers.oauth-auditor]
command = "npx"
args = ["-y", "@guardbee/mcp-oauth-auditor"]
.cursor/mcp.json
{
  "mcpServers": {
    "oauth-auditor": {
      "args": [
        "-y",
        "@guardbee/mcp-oauth-auditor"
      ],
      "command": "npx"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "oauth-auditor": {
      "args": [
        "-y",
        "@guardbee/mcp-oauth-auditor"
      ],
      "command": "npx"
    }
  }
}

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Oauth Auditor — questions

Answers built from our own checks of this server.

Why is there no uptime for Oauth Auditor?
Oauth Auditor runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package @guardbee/mcp-oauth-auditor was installed 380 times last week.
How do I connect Oauth Auditor?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls @guardbee/mcp-oauth-auditor straight from npm; nothing to host, nothing to sign up for.
How many people use Oauth Auditor?
The npm package @guardbee/mcp-oauth-auditor was installed 380 times in the last week. Week over week that is -32%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Oauth Auditor open source?
We cannot say either way: written in TypeScript and 1 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.