MCP Selection Lab for Cursor

io.github.changhuliu/mcp-selection-lab

Benchmark MCP tool selection with metadata-only routing, collision, abstention, and holdout checks.

client:Cursor transport:streamable-http tools:3

Install MCP Selection Lab in Cursor

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

{
  "mcpServers": {
    "mcp-selection-lab": {
      "url": "https://mcp-selection-lab-production.up.railway.app/mcp"
    }
  }
}

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