agent-browser

local MCP server

Installation

Terminal

claude mcp add agent-browser -e AGENT_BROWSER_URL=... -e AGENT_BROWSER_CONTROLLER_TOKEN=... -e AGENT_BROWSER_OBSERVER_TOKEN=... -- npx -y aether-browser

Run in your project folder. Add --scope user to use it everywhere.

Claude Desktop, Cursor & other clients

Add to claude_desktop_config.json or .cursor/mcp.json.

{
  "mcpServers": {
    "agent-browser": {
      "command": "npx",
      "args": [
        "-y",
        "aether-browser"
      ],
      "env": {
        "AGENT_BROWSER_URL": "...",
        "AGENT_BROWSER_CONTROLLER_TOKEN": "...",
        "AGENT_BROWSER_OBSERVER_TOKEN": "..."
      }
    }
  }
}

Fill in the environment variables with your own credentials.

Summary

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

Questions

agent-browser is a local MCP server distributed as the npm package aether-browser.

Run: claude mcp add agent-browser -e AGENT_BROWSER_URL=... -e AGENT_BROWSER_CONTROLLER_TOKEN=... -e AGENT_BROWSER_OBSERVER_TOKEN=... -- npx -y aether-browser

Run: codex mcp add agent-browser --env AGENT_BROWSER_URL=... --env AGENT_BROWSER_CONTROLLER_TOKEN=... --env AGENT_BROWSER_OBSERVER_TOKEN=... -- npx -y aether-browser

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