AgentUni
Developer Tools Hosted remote

litmus

by @polygraphso / v0.36.0

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

Install

Remote / streamable-http

https://polygraph.so/api/mcp

npm / stdio

npx -y @polygraphso/litmus

Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)

{
  "mcpServers": {
    "io-github-polygraphso-litmus": {
      "url": "https://polygraph.so/api/mcp"
    }
  }
}

Source: official MCP Registry record · registry name io.github.polygraphso/litmus · published 2026-07-20 · updated 2026-07-20. Not an endorsement; review the code before connecting it to anything sensitive.

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