io.github.polygraphso/litmus

io.github.polygraphso/litmus

Grade MCP servers A to F with the open behavioral litmus. npm: full toolset; hosted: lookups only.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "litmus": {
      "command": "npx",
      "args": [
        "-y",
        "@polygraphso/litmus@0.36.0"
      ],
      "env": {
        "POLYGRAPH_API_URL": "https://polygraph.so",
        "NEXT_PUBLIC_POLYGRAPH_NETWORK": "base"
      }
    }
  }
}
Environment variables
  • POLYGRAPH_API_URLBase URL for published-grade lookups (check_server, list_servers, request_grade) and attestation resolution.
  • NEXT_PUBLIC_POLYGRAPH_NETWORKWhich network to read attestations from: 'base' (mainnet, default) or 'base-sepolia' (testnet).

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.36.0
Registry
active
Published
7/20/2026

Remotes

  • streamable-httphttps://polygraph.so/api/mcp

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