MCP Endpoint Lint - handshake, tool schemas, JSON-RPC errors for Cursor

dev.workers.pathwren.www/mcp-endpoint-lint

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

client:Cursor transport:streamable-http tools:7

Install MCP Endpoint Lint - handshake, tool schemas, JSON-RPC errors in Cursor

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

{
  "mcpServers": {
    "mcp-endpoint-lint": {
      "url": "https://www.pathwren.workers.dev/c/mcp-registry-official/mcp/lint"
    }
  }
}

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