Agent Browser

MCP server · by AetherAI3

Browser Automation npmPython v0.2.2

Self-hosted Chrome for AI agents, with a live noVNC view a human can take over.

View source ↗ Website ↗ Generate config for multiple servers More servers

Install

Pin version registry version 0.2.2

npm
npx -y aether-browser

npm
npx -y aether-browser@0.2.2

Python
uvx aether-browser

Python
uvx aether-browser@0.2.2

Setup by client

Pick your client — the config below is generated for this server (local stdio). Copy respects the “Pin version” switch above.

claude_desktop_config.json

{
  "mcpServers": {
    "agent-browser": {
      "command": "npx",
      "args": [
        "-y",
        "aether-browser"
      ],
      "env": {
        "AGENT_BROWSER_CONTROLLER_TOKEN": "<YOUR_AGENT_BROWSER_CONTROLLER_TOKEN>",
        "AGENT_BROWSER_OBSERVER_TOKEN": "<YOUR_AGENT_BROWSER_OBSERVER_TOKEN>"
      }
    }
  }
}

{
  "mcpServers": {
    "agent-browser": {
      "command": "npx",
      "args": [
        "-y",
        "aether-browser@0.2.2"
      ],
      "env": {
        "AGENT_BROWSER_CONTROLLER_TOKEN": "<YOUR_AGENT_BROWSER_CONTROLLER_TOKEN>",
        "AGENT_BROWSER_OBSERVER_TOKEN": "<YOUR_AGENT_BROWSER_OBSERVER_TOKEN>"
      }
    }
  }
}

Format verified against the official Claude Desktop docs ↗.

terminal

claude mcp add --env AGENT_BROWSER_CONTROLLER_TOKEN=<YOUR_AGENT_BROWSER_CONTROLLER_TOKEN> --env AGENT_BROWSER_OBSERVER_TOKEN=<YOUR_AGENT_BROWSER_OBSERVER_TOKEN> agent-browser -- npx -y aether-browser

claude mcp add --env AGENT_BROWSER_CONTROLLER_TOKEN=<YOUR_AGENT_BROWSER_CONTROLLER_TOKEN> --env AGENT_BROWSER_OBSERVER_TOKEN=<YOUR_AGENT_BROWSER_OBSERVER_TOKEN> agent-browser -- npx -y aether-browser@0.2.2

Format verified against the official Claude Code docs ↗.

.cursor/mcp.json

{
  "mcpServers": {
    "agent-browser": {
      "command": "npx",
      "args": [
        "-y",
        "aether-browser"
      ],
      "env": {
        "AGENT_BROWSER_CONTROLLER_TOKEN": "<YOUR_AGENT_BROWSER_CONTROLLER_TOKEN>",
        "AGENT_BROWSER_OBSERVER_TOKEN": "<YOUR_AGENT_BROWSER_OBSERVER_TOKEN>"
      }
    }
  }
}

{
  "mcpServers": {
    "agent-browser": {
      "command": "npx",
      "args": [
        "-y",
        "aether-browser@0.2.2"
      ],
      "env": {
        "AGENT_BROWSER_CONTROLLER_TOKEN": "<YOUR_AGENT_BROWSER_CONTROLLER_TOKEN>",
        "AGENT_BROWSER_OBSERVER_TOKEN": "<YOUR_AGENT_BROWSER_OBSERVER_TOKEN>"
      }
    }
  }
}

Format verified against the official Cursor docs ↗.

.vscode/mcp.json

{
  "servers": {
    "agent-browser": {
      "command": "npx",
      "args": [
        "-y",
        "aether-browser"
      ],
      "env": {
        "AGENT_BROWSER_CONTROLLER_TOKEN": "<YOUR_AGENT_BROWSER_CONTROLLER_TOKEN>",
        "AGENT_BROWSER_OBSERVER_TOKEN": "<YOUR_AGENT_BROWSER_OBSERVER_TOKEN>"
      }
    }
  }
}

{
  "servers": {
    "agent-browser": {
      "command": "npx",
      "args": [
        "-y",
        "aether-browser@0.2.2"
      ],
      "env": {
        "AGENT_BROWSER_CONTROLLER_TOKEN": "<YOUR_AGENT_BROWSER_CONTROLLER_TOKEN>",
        "AGENT_BROWSER_OBSERVER_TOKEN": "<YOUR_AGENT_BROWSER_OBSERVER_TOKEN>"
      }
    }
  }
}

Format verified against the official VS Code docs ↗.

mcp_config.json

{
  "mcpServers": {
    "agent-browser": {
      "command": "npx",
      "args": [
        "-y",
        "aether-browser"
      ],
      "env": {
        "AGENT_BROWSER_CONTROLLER_TOKEN": "<YOUR_AGENT_BROWSER_CONTROLLER_TOKEN>",
        "AGENT_BROWSER_OBSERVER_TOKEN": "<YOUR_AGENT_BROWSER_OBSERVER_TOKEN>"
      }
    }
  }
}

{
  "mcpServers": {
    "agent-browser": {
      "command": "npx",
      "args": [
        "-y",
        "aether-browser@0.2.2"
      ],
      "env": {
        "AGENT_BROWSER_CONTROLLER_TOKEN": "<YOUR_AGENT_BROWSER_CONTROLLER_TOKEN>",
        "AGENT_BROWSER_OBSERVER_TOKEN": "<YOUR_AGENT_BROWSER_OBSERVER_TOKEN>"
      }
    }
  }
}

Format verified against the official Windsurf docs ↗.

Environment variables

Defined in the server's official registry manifest. Required secrets are shown as <YOUR_…> placeholders in the configs above.

AGENT_BROWSER_URL — Base URL of your Agent Browser server. Defaults to http://127.0.0.1:8092.
AGENT_BROWSER_CONTROLLER_TOKEN secret — Controller token, if the server runs authenticated.
AGENT_BROWSER_OBSERVER_TOKEN secret — Observer token for read-only health and snapshot calls.

GitHub

⭐ 14 stars · 最近更新于 23 天前 · Apache-2.0 license

About this server

Agent Browser See what your agent sees. Self hosted Chrome for AI agents. Your…

Summary from the project README — github.com/AetherAI3/agent-browser

Distributed as npm, Python, listed under Browser Automation. Review our MCP security guide before granting access to real data.

Frequently asked questions

What does the Agent Browser MCP server do?

Agent Browser See what your agent sees. Self hosted Chrome for AI agents. Your

How do I install Agent Browser?

Run the install command shown above, then paste the config for your client (Claude Desktop, Claude Code, Cursor, VS Code or Windsurf) into its MCP settings and restart the client.

Is Agent Browser free to use?

The MCP server itself is free to install. The source is public on https://github.com/AetherAI3/agent-browser. Any third-party service it calls may require its own API key and account.

Which clients support Agent Browser?

Any MCP-compatible client can use it, including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf and custom agents.

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