Tampermonkey MCP Server: Install & Setup

Install Tampermonkey in Claude Code

Claude Code

claude mcp add tampermonkey -- npx -y tampermonkey-mcp

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

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

MCP server to manage your Tampermonkey scripts

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 tampermonkey -- npx -y tampermonkey-mcp

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