Claude Firefox

Verified Integration

Author: @spawning•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect Claude Firefox to Claude Desktop or Cursor in seconds

{
  "mcpServers": {
    "claude-firefox": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-claude-firefox"
      ],
      "env": {}
    }
  }
}

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

Architecture & Capabilities

System Overview

Empowers the Claude Code CLI to programmatically control the Firefox browser for advanced automation.

Indexed Date

7/22/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Claude Firefox

To use Claude Firefox, you need the Deno runtime, Firefox browser version 78 or higher, and the Claude Code CLI installed and configured with the `claude-firefox-mcp` server.

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