browser-mcp

A browser extension and MCP server that allows you to interact with the browser you are using.

Usage

{
  "mcpServers": {
    "playwright": {
      "command": "npx",
      "args": [
        "@djyde/mcp-browser@latest"
      ]
    }
  }
}

Tools

All available tools are listed in server/src/tools.ts.

get_current_page_markdown

Get the markdown from current browser browsing page.

example:

Summarize the current page.

append_style

Append a css style to the current browser browsing page.

example:

Change the current page to dark mode.

history_search

Search the browser history.

example:

Search the browser history for "github".

Roadmap

• Publish the extension to extension store.
• Write documentation.
• Add more tools.

Build

pnpm i

Extension

cd extension

# chrome
npm run build

# edge
npm run build:edge

# firefox
npm run build:firefox

After building, the extension will be in the extension/.output directory.

Server

cd server

# dev
npm run dev

# build
npm run build

server/dist/cli.js is the MCP server entry.

Contributing

Add a new tool

1. Add the tool schema to the tools array in server/src/tools.ts.
2. Add a extension callable handler in extension/calls.ts.
3. Add a tool handler in server/src/tools.ts. Use the call function to call the extension handler.

License

AGPL-3.0-or-later

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