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io.github.polygraphso/litmus

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Publisher-provided description

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

Summary by lookupd

Grades other MCP servers on behavioral criteria, returning letter grades from A to F; the npm install offers the full toolset.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http litmus https://polygraph.so/api/mcp

Claude Code, npm package (stdio)

claude mcp add litmus -- npx -y @polygraphso/litmus

Codex, remote (streamable-http)

codex mcp add litmus --url https://polygraph.so/api/mcp

Codex, npm package (stdio)

codex mcp add litmus -- npx -y @polygraphso/litmus

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "litmus": {
      "url": "https://polygraph.so/api/mcp"
    }
  }
}

Cursor, npm package (stdio) → .cursor/mcp.json

{
  "mcpServers": {
    "litmus": {
      "command": "npx",
      "args": [
        "-y",
        "@polygraphso/litmus"
      ]
    }
  }
}

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