Aether Browser MCP Server

by aetherai3io.github.AetherAI3/agent-browserv0.2.2

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

12Node.jsstdioofficial registry

context tax

queued

security

queued

cold start

queued

freshness

Active8d ago

Install Aether Browser MCP server

claude mcp add aether-browser -e AGENT_BROWSER_CONTROLLER_TOKEN='<agent-browser-controller-token>' -e AGENT_BROWSER_OBSERVER_TOKEN='<agent-browser-observer-token>' -- npx -y aether-browser mcp

{
  "mcpServers": {
    "aether-browser": {
      "command": "npx",
      "args": [
        "-y",
        "aether-browser",
        "mcp"
      ],
      "env": {
        "AGENT_BROWSER_CONTROLLER_TOKEN": "<agent-browser-controller-token>",
        "AGENT_BROWSER_OBSERVER_TOKEN": "<agent-browser-observer-token>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "aether-browser": {
      "command": "npx",
      "args": [
        "-y",
        "aether-browser",
        "mcp"
      ],
      "env": {
        "AGENT_BROWSER_CONTROLLER_TOKEN": "<agent-browser-controller-token>",
        "AGENT_BROWSER_OBSERVER_TOKEN": "<agent-browser-observer-token>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "aether-browser": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "aether-browser",
        "mcp"
      ],
      "env": {
        "AGENT_BROWSER_CONTROLLER_TOKEN": "<agent-browser-controller-token>",
        "AGENT_BROWSER_OBSERVER_TOKEN": "<agent-browser-observer-token>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "aether-browser": {
      "command": "npx",
      "args": [
        "-y",
        "aether-browser",
        "mcp"
      ],
      "env": {
        "AGENT_BROWSER_CONTROLLER_TOKEN": "<agent-browser-controller-token>",
        "AGENT_BROWSER_OBSERVER_TOKEN": "<agent-browser-observer-token>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

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

Freshness

Active — last maintenance signal 8d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-01 · 8d ago · GitHub
Latest release
2026-09-04 · 36d ago · GitHub · v0.2.2
Package published
no data · npm/PyPI
Registry entry updated
2026-09-04 · 36d ago · official registry · v0.2.2

FAQ

›How do I install the Aether Browser MCP server in Claude Code?

Run: claude mcp add aether-browser -e AGENT_BROWSER_CONTROLLER_TOKEN='<agent-browser-controller-token>' -e AGENT_BROWSER_OBSERVER_TOKEN='<agent-browser-observer-token>' -- npx -y aether-browser mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Aether Browser require an API key?

Yes. It expects AGENT_BROWSER_CONTROLLER_TOKEN, AGENT_BROWSER_OBSERVER_TOKEN, of which 2 are secrets.

›Can I use Aether Browser as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Aether Browser in the official MCP registry?

Yes, as io.github.AetherAI3/agent-browser.