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API key required
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About
Browserbase MCP Server
The Model Context Protocol (MCP) is an open protocol that enables seamless integration between LLM applications and external data sources and tools. Whether you're building an AI-powered IDE, enhancing a chat interface, or creating custom AI workflows, MCP provides a standardized way to connect LLMs with the context they need.
This server provides cloud browser automation capabilities using Browserbase and Stagehand. It enables LLMs to interact with web pages, extract information, and perform automated actions.
This is a self-hostable version of the Browserbase hosted MCP server with the same tools and functionality. We recommend using the hosted version for the easiest setup.
Tools
This server exposes 6 tools that match the hosted Browserbase MCP server:
| Tool | Description | Input |
|---|---|---|
start | Create or reuse a Browserbase session | _(none)_ |
end | Close the current Browserbase session | _(none)_ |
navigate | Navigate to a URL | { url: string } |
act | Perform an action on the page | { action: string } |
observe | Observe actionable elements on the page | { instruction: string } |
extract | Extract data from the page | { instruction?: string } |
How to Setup
We currently support 2 transports for our MCP server, STDIO and SHTTP. We recommend you use SHTTP with our hosted MCP server to take advantage of the server at full capacity.
SHTTP (Hosted MCP):
Use the Browserbase hosted MCP server at https://mcp.browserbase.com/mcp. This is the easiest way to get started -- we host the server and provide the LLM costs for Gemini, the best performing model in Stagehand.
For full setup instructions, see the Browserbase MCP documentation.
If your client supports SHTTP:
{
"mcpServers": {
"browserbase": {
"type": "http",
"url": "https://mcp.browserbase.com/mcp"
}
}
}If your client doesn't support SHTTP:
{
"mcpServers": {
"browserbase": {
"command": "npx",
"args": ["mcp-remote", "https://mcp.browserbase.com/mcp"]
}
}
}STDIO (Self-Hosted):
You can either use our server hosted on NPM or run it completely locally by cloning this repo.
Note: If you want to use a different model you have to add --modelName to the args and provide that respective key as an arg. More info below.
Don't lose this
Three weeks from now, you'll want Mcp Server Browserbase again. Will you remember where to find it?
Save it to your library and the next time you need Mcp Server Browserbase, it’s one tap away — from any AI app you use. Group it into a bench with the rest of the team for that kind of task and you can pull the whole stack at once.
⚡ Pro tip for geeks: add a-gnt 🤵🏻♂️ as a custom connector in Claude or a custom GPT in ChatGPT — one click and your library is right there in the chat. Or, if you’re in an editor, install the a-gnt MCP server and say “use my [bench name]” in Claude Code, Cursor, VS Code, or Windsurf.
a-gnt's Take
Our honest review
This plugs directly into your AI and gives it new abilities it didn't have before. Allow LLMs to control a browser with Browserbase and Stagehand. Once connected, just ask your AI to use it. It's completely free and works across most major AI apps. This one just landed in the catalog — worth trying while it's fresh.
Tips for getting started
Tap "Get" above, pick your AI app, and follow the steps. Most installs take under 30 seconds.
Heads up: this needs an API key to work. You'll get one from the service's website (usually free). The setup guide tells you exactly where.
What's New
Imported from GitHub
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