policy gate for Cursor

dev.workers.3labsio.policy-gate/policy-gate

Deterministic allow/require_approval/deny verdicts for agent actions, before they happen.

client:Cursor transport:streamable-http tools:4

Install policy gate in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

{
  "mcpServers": {
    "policy-gate": {
      "url": "https://policy-gate.3labsio.workers.dev/mcp"
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs