MCPMonkey

MCPMonkey is an MCP server and Firefox extension so your AI agent can access your browser

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Overview

MCPMonkey is a browser extension and MCP server that enables AI agents to interact with your browser, enhancing the capabilities of userscripts through the Model Context Protocol (MCP).

To use MCPMonkey, install the MCP server and the Firefox extension. Configure the MCP server in your AI tool (like Cursor) and load the extension in Firefox to enable AI interactions with your browser.

Tab Management: Manage browser tabs (create, close, activate, duplicate). - Page Style Extraction: Extract and analyze web page styles in structured JSON format. - User Script Support: Full compatibility with existing userscripts from Violentmonkey.

Developers can access browser resources directly from AI tools.
Users can automate browser tasks through natural language commands.
AI tools can assist in retrieving browsing history or drafting messages.

Add to your AI client

Use these steps to connect MCPMonkey in Cursor, Claude, VS Code, and other MCP-compatible apps. The same JSON appears in the Use with menu above for one-click copy.

Cursor

Add this to your .cursor/mcp.json file in your project root, then restart Cursor.

.cursor/mcp.json

{
  "mcpServers": {
    "mcpmonkey-kstrikis": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcpmonkey-kstrikis"
      ]
    }
  }
}

Claude Desktop

Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.

~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)

{
  "mcpServers": {
    "mcpmonkey-kstrikis": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcpmonkey-kstrikis"
      ]
    }
  }
}

Claude Code

Add this to your project's .mcp.json file. Claude Code will detect it automatically.

.mcp.json (project root)

{
  "mcpServers": {
    "mcpmonkey-kstrikis": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcpmonkey-kstrikis"
      ]
    }
  }
}

VS Code (Copilot)

Add this to your .vscode/mcp.json file. Requires the GitHub Copilot extension with MCP support enabled.

.vscode/mcp.json

{
  "servers": {
    "mcpmonkey-kstrikis": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcpmonkey-kstrikis"
      ]
    }
  }
}

Windsurf

Add this to your Windsurf MCP config file, then restart Windsurf.

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "mcpmonkey-kstrikis": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcpmonkey-kstrikis"
      ]
    }
  }
}

Cline

Open Cline settings, navigate to MCP Servers, and add this server configuration.

Cline MCP Settings (via UI)

{
  "mcpServers": {
    "mcpmonkey-kstrikis": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcpmonkey-kstrikis"
      ]
    }
  }
}

FAQ

Can MCPMonkey work with any AI tool?

Yes! MCPMonkey is designed to integrate with various AI tools that support MCP.

Is MCPMonkey free to use?

Yes! MCPMonkey is open-source and free to use.

What browsers are supported?

Currently, MCPMonkey is designed for Firefox, with plans for other browsers in the future.

Developer tools