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How to integrate Browserbase MCP with Hermes

Connect Hermes to Browserbase MCP. Extract product prices from example.com listings, summarize latest news articles from cnn.com, and more using natural language, with authentication handled for you.

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Browserbase MCP provides isolated cloud browsers (Stagehand) for web navigation and observation. Use it to run sandboxed, natural-language web actions with reliable isolation and repeatability.

6 Tools

Introduction

Hermes is a 24/7 autonomous agent that lives on your computer or server — it remembers what it learns and evolves as your usage grows.

This guide explains the easiest and most robust way to connect your Browserbase account to Hermes. You can do this through either Composio Connect CLI or Composio Connect MCP. For personal use we recommend the CLI, but you won't go wrong with MCP either.

Also integrate Browserbase MCP with

ChatGPT WorkClaude Cowork

What is Composio Connect?

Composio Connect is a consumer offering that lets anyone plug 1,000+ applications directly into their agent harness — including Hermes. It can:

  • Search and load tools from relevant toolkits on-demand, reducing context usage.
  • Chain multiple tools to accomplish complex workflows via a remote workbench, without excessive back-and-forth with the LLM.
  • Manage app authentication end-to-end with zero manual overhead.

Integrating Browserbase with Hermes

Using Composio Connect CLI

1. Install the Composio CLI

Run the install script directly, or paste https://composio.dev/hermes into your Hermes chat box to have it installed for you.

bash
curl -fsSL https://composio.dev/install | bash
Hermes authenticating with Composio

2. Authenticate

Once the CLI is installed, ask Hermes to authenticate with Composio.

3. Connect to Browserbase

Ask your agent to connect to Browserbase, or simply request any Browserbase-related task. Hermes will prompt you to authenticate and authorize access.

4. Done. You're all set with a new Browserbase connection.

Using Composio Connect MCP

1. Get your MCP URL and API Key

Go to dashboard.composio.dev and copy your Connect MCP URL and API key.

Copy MCP URL and API key from Composio dashboard

2. Open the Hermes config file

bash
nano ~/.hermes/config.yaml

3. Add the Composio Connect MCP server

bash
mcp_servers:
  composio:
    url: "https://connect.composio.dev/mcp"
    headers:
      x-consumer-api-key: "YOUR_COMPOSIO_API_KEY"
    connect_timeout: 60
    timeout: 180

Save with Ctrl + O, Enter, then exit with Ctrl + X.

4. Restart your Hermes agent

Once restarted, ask your agent to connect to Browserbase or request any Browserbase-related task. It will prompt you to authenticate and authorize access.

5. Done!

What is the Browserbase MCP server, and what's possible with it?

The Browserbase MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Browserbase account. It provides structured and secure access so your agent can perform Browserbase operations on your behalf.

Way Forward

With Browserbase connected, Hermes can now act on your behalf whenever it detects a relevant task or you ask it to.

From here, you can extend Hermes further:

  • Connect more apps: Calendar, Slack, Notion, Linear, and hundreds of others are available through the same Composio Connect setup. Each new integration compounds what Hermes can do for you.
  • Build workflows across tools: Once multiple apps are connected, Hermes can chain actions together — turn an email into a calendar invite, a Slack message into a Linear ticket, or a meeting note into a follow-up draft.
  • Let it learn your patterns: The more you use Hermes, the better it gets at anticipating how you'd handle recurring tasks. Give it feedback on drafts and decisions, and it will adapt.

If you run into trouble or want to share what you've built, join the community or check out the Docs for deeper configuration options.

TOOLS

Supported Tools

Every Browserbase MCP action and event your agent gets out of the box.

Act

Perform an action on the page

End

Close the current Browserbase session

Extract

Extract data from the page

Navigate

Navigate to a URL

Observe

Observe actionable elements on the page

Start

Create or reuse a Browserbase session

FRAMEWORKS

How to build Browserbase MCP Agent with another framework

ChatGPT Work logo

ChatGPT Work

Use Browserbase MCP with ChatGPT Work

Claude Cowork logo

Claude Cowork

Use Browserbase MCP with Claude Cowork

FAQ

Frequently asked questions

With a standalone Browserbase MCP server, the agents and LLMs can only access a fixed set of Browserbase tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Browserbase and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. Hermes fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Browserbase tools.

Yes, absolutely. You can configure which Browserbase scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Browserbase data and credentials are handled as safely as possible.

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