UI Debugger MCP Server

by developerz-aiio.github.developerz-ai/ui-debugger-mcpv1.9.0

Autonomous UI debugging MCP server: an agent drives the browser/desktop, reports bugs + UX issues.

2Node.jsstdioofficial registry

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Active2d ago

Install UI Debugger MCP server

claude mcp add ui-debugger -e OPENAI_API_KEY='<openai-api-key>' -- npx -y @developerz.ai/ui-debugger-mcp

{
  "mcpServers": {
    "ui-debugger": {
      "command": "npx",
      "args": [
        "-y",
        "@developerz.ai/ui-debugger-mcp"
      ],
      "env": {
        "OPENAI_API_KEY": "<openai-api-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "ui-debugger": {
      "command": "npx",
      "args": [
        "-y",
        "@developerz.ai/ui-debugger-mcp"
      ],
      "env": {
        "OPENAI_API_KEY": "<openai-api-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "ui-debugger": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@developerz.ai/ui-debugger-mcp"
      ],
      "env": {
        "OPENAI_API_KEY": "<openai-api-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "ui-debugger": {
      "command": "npx",
      "args": [
        "-y",
        "@developerz.ai/ui-debugger-mcp"
      ],
      "env": {
        "OPENAI_API_KEY": "<openai-api-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
OPENAI_API_KEY	yes	yes	API key for the LLM provider (OpenRouter default)
OPENAI_BASE_URL	—	—	Base URL for the LLM provider (defaults to OpenRouter)

Freshness

Active — last maintenance signal 2d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-07 · 2d ago · GitHub
Latest release
2026-09-05 · 34d ago · GitHub · v1.9.0
Package published
no data · npm/PyPI
Registry entry updated
2026-09-05 · 34d ago · official registry · v1.9.0

FAQ

›How do I install the UI Debugger MCP server in Claude Code?

Run: claude mcp add ui-debugger -e OPENAI_API_KEY='<openai-api-key>' -- npx -y @developerz.ai/ui-debugger-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does UI Debugger require an API key?

Yes. It expects OPENAI_API_KEY, of which 1 is a secret.

›Can I use UI Debugger as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is UI Debugger in the official MCP registry?

Yes, as io.github.developerz-ai/ui-debugger-mcp.