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Claude Desktop

LeanWarp for Claude Desktop

io.github.isagoge-labs/leanwarp

Check and verify Lean 4 proofs on hosted, warm Lean and Mathlib workers.

client:Claude Desktop transport:stdio runtime:pypi

Install LeanWarp in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen.

{
  "mcpServers": {
    "leanwarp": {
      "command": "uvx",
      "args": [
        "leanwarp"
      ],
      "env": {
        "LEANWARP_API_KEY": "<LEANWARP_API_KEY>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

LeanWarp in other clients