MCP Registry Validator — Check Endpoints Actually Resolve for Cursor

io.github.operatorsheets/mcp-uptime

Check an MCP endpoint resolves: liveness, live tool list, schema drift. Free.

client:Cursor transport:streamable-http tools:4

Install MCP Registry Validator — Check Endpoints Actually Resolve in Cursor

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

{
  "mcpServers": {
    "mcp-uptime": {
      "url": "https://mcp-uptime.theopslog.workers.dev/mcp"
    }
  }
}

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