ui-annotator-mcp

ui-annotator-mcp is an MCP server by mcpware. MCP server that annotates any web page with hover labels — zero extensions, works in any browser. It has 21 GitHub stars and ranks #321 of 591 in Browser Automation by stars.

Category: Browser Automation
Author: mcpware
GitHub stars: 21
This week: Tracking since 20 Oct 2026
Weekly downloads: 33
Language: JavaScript
License: MIT (open source)
Last update: 2026-03-24 (7 months ago)
Links: Source npm

accessibility
ai-tools
claude
claude-code
developer-tools
frontend
mcp
mcp-server
model-context-protocol
reverse-proxy
web-development
anthropic
+8 more

How to install ui-annotator-mcp

ui-annotator-mcp is published on npm as @mcpware/ui-annotator, and it is listed in the official MCP Registry. These steps assume it runs as a local stdio server, which is the usual setup.

Check the README. Confirm the start command and note any API keys or environment variables it needs (pass them with -e KEY=value or an env block). You need Node.js for npx.

Add it to Claude Code from a terminal:

claude mcp add ui-annotator-mcp -- npx -y @mcpware/ui-annotator

Or add it to Cursor or Claude Desktop in .cursor/mcp.json or claude_desktop_config.json:

{
  "mcpServers": {
    "ui-annotator-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@mcpware/ui-annotator"
      ]
    }
  }
}

Restart the client and check it. Run claude mcp list, or open the client's MCP settings, and confirm ui-annotator-mcp and its tools are listed. The install guide covers VS Code and Codex.

Also listed in

Maintain this project? Get it featured ($99/mo, pinned at the top of Browser Automation) or see what featuring includes.

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Frequently asked questions

What is ui-annotator-mcp?

ui-annotator-mcp is an MCP server by mcpware in the Browser Automation category. MCP server that annotates any web page with hover labels — zero extensions, works in any browser. It has 21 GitHub stars and ranks #321 of 591 in Browser Automation by stars. It is written in JavaScript. It is licensed under MIT. It was last updated 7 months ago.

Is ui-annotator-mcp free and open source?

Yes. ui-annotator-mcp is published under the MIT license, so you can run, modify and self-host it at no cost. If it connects to a paid service, that service's own pricing and API terms still apply. Check the repository for the exact license text before using it commercially.

What are the alternatives to ui-annotator-mcp?

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Data last updated 25 October 2026. Stars and downloads are refreshed every day from GitHub and npm.