MCPComp Diagnostics for Claude Desktop

dev.mcpcomp/diagnostics

Grade an MCP server's auth against the spec and diagnose which layer a failure is in.

client:Claude Desktop transport:stdio runtime:npm

Install MCPComp Diagnostics in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "diagnostics": {
      "command": "npx",
      "args": [
        "-y",
        "mcpcomp"
      ]
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs