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Cursor

perf mcp for Cursor

io.github.perf-ai/perf-mcp

Fact-check and fix AI outputs. Hallucination detection, schema validation, auto-repair.

client:Cursor transport:stdio runtime:npm

Install perf mcp in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

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{
  "mcpServers": {
    "perf-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "perf-mcp"
      ],
      "env": {
        "PERF_API_KEY": "<PERF_API_KEY>"
      }
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs

perf mcp in other clients