ndthanhdev/mcp-browser-kit

3.5

If you are the rightful owner of mcp-browser-kit and would like to certify it and/or have it hosted online, please leave a comment on the right or send an email to henry@mcphub.com.

MCP Browser Kit is an MCP Server that allows AI assistants to interact with local browsers.

MCP Browser Kit

🚀 On the main branch? You're viewing the bleeding-edge dev docs! For other versions, check out the release/* branches.

An MCP Server that enables AI assistants to interact with your local browsers.

https://github.com/user-attachments/assets/1fbf87fd-06d1-42bf-a06f-cc2bbdf375a8

Usage

Add MCP Browser Kit to your MCP Client:

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

Choose the right extension build for your browser:
- Check the Compatibility table below to see which build (M2 or M3) is compatible with your browser
- Note that M2 builds offer more functionality than M3 builds, so prefer M2 if your browser supports both
Download and unzip the latest compatible build from The Latest Release.
Load the extension into a compatible browser and enable it.
Refresh open tabs to ensure extension scripts are loaded.

Start messaging on your MCP Client:

Use browser-kit, star the last open GitHub repo on my browser

Optional, check User Notes for more information.

Compatibility table

The M2 build supports more functionalities than the M3 build.

Extension file name patterns:

M2 build: mcp_browser_kit_m2-[version].zip (e.g., mcp_browser_kit_m2-5.0.0.zip)

M3 build: mcp_browser_kit_m3-[version].zip (e.g., mcp_browser_kit_m3-5.0.0.zip)

Browser	M2 build	M3 build
Chrome	❌	✅
Brave	✅	✅
Edge	✅	✅
Firefox	✅	❌
Safari	✅	❌

Load Extension

Chromium-based browsers (Chrome, Brave, Edge)
1. Open
2. Enable Developer mode
3. Click Load unpacked
4. Select the unpacked extension folder
Firefox
1. Open
2. Click Load Temporary Add-on
3. Select the manifest.json file in the unpacked extension folder
Safari
1. Open Develop > Show Extension Builder
2. Click + and select Add Extension
3. Select the unpacked extension folder
4. Click Install to install the extension

User Notes

Note for Alpha stage: Consider using a separate browser profile or dedicated browser instance with this MCP to prevent sensitive data from being unintentionally exposed to AI model providers.

Security: BrowserKit currently lacks authentication for incoming requests. Keep ports 59089 and 2769-2799 on your device network only.

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