Witness for Windsurf

io.github.tfitzgerwitness/witness

Production proofs for breaking JSON Schema/MCP changes; UNKNOWN/NO_WITNESS_FOUND not compatible.

client:Windsurf transport:streamable-http tools:1

Install Witness in Windsurf

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

{
  "mcpServers": {
    "witness": {
      "serverUrl": "https://witness-contractwitness-production.witness-test.workers.dev/mcp"
    }
  }
}

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