TestLens for Windsurf

net.bigfloppy.testlens/testlens

Paste code + tests, get a strong/weak verdict with killed/survived mutants. Free API + MCP.

client:Windsurf transport:streamable-http tools:2

Install TestLens in Windsurf

~/.codeium/windsurf/mcp_config.json · windows: %USERPROFILE%\.codeium\windsurf\mcp_config.json

{
  "mcpServers": {
    "testlens": {
      "serverUrl": "https://testlens.bigfloppy.net/mcp"
    }
  }
}

Global only — Windsurf has no per-project MCP config. Refresh Cascade after saving. Windsurf docs