Firefox Addons MCP Server: Install & Setup

Install Firefox Addons in Claude Code

Claude Code

claude mcp add firefox-addons -- npx -y firefox-addons-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "firefox-addons": {
      "command": "npx",
      "args": [
        "-y",
        "firefox-addons-mcp"
      ]
    }
  }
}

Search Firefox browser extensions on AMO. No key required.

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

Run: claude mcp add firefox-addons -- npx -y firefox-addons-mcp

D4Vinci/Scrapling

Web scraping with stealth HTTP, real browsers, and Cloudflare bypass. CSS selectors supported.

bytedance/UI-TARS-desktop/browser

Browser automation using Puppeteer, supporting local and remote browser connections.

microsoft/playwright-mcp

Playwright browser automation: interact with web pages through structured accessibility snapshots.

lightpanda-io/browser

Headless browser for AI and web automation with a built-in MCP server.

DayuanJiang/next-ai-draw-io

draw.io diagrams your AI agent draws on a live browser canvas that you can also edit by hand

firecrawl/firecrawl-mcp-server

Firecrawl web scraping: search, scrape, crawl, map and extract structured data, with live browser interaction and website change monitoring.