Getting Started

izan.io is a Chrome extension that turns your browser into an MCP server. External MCP clients like Claude Desktop, Cursor, and VS Code connect through a bridge CLI and can call tools that automate the browser.

1. Install the Chrome Extension

Install the izan.io extension from the Chrome Web Store. Once installed, you will see the izan.io icon in your browser toolbar.

2. Install the Bridge

The bridge (izan-mcp) connects MCP clients to the Chrome extension. Run:

npx izan-mcp

This starts a local WebSocket server that relays messages between your MCP client and the extension.

3. Configure Your MCP Client

Add izan.io to your MCP client configuration. For Claude Desktop, edit claude_desktop_config.json:

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

Restart your MCP client after saving.

4. Try a Built-in Tool

Open your MCP client and try one of the built-in tools:

• web_fetch -- Fetches the content of a URL
• accessibility_snapshot -- Returns the accessibility tree of the current page

Example prompt: "Use web_fetch to get the content of https://example.com"

The extension will execute the request in the browser and return the result to your MCP client.

Next Steps

• Chrome Extension -- Learn about the extension side panel and tool management
• Tools -- Create custom tools with the browser API
• Bridge -- Configure the bridge for different MCP clients
• Marketplace -- Browse and install community tools