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Antigravity Link MCP Server

@cafeTechne

Repository

About Antigravity Link MCP Server

Antigravity Link is an MCP server and mobile companion for Google's Antigravity IDE. It captures live snapshots of the Antigravity chat UI via Chrome DevTools Protocol and serves them to a mobile web client. From your phone you can send messages, upload files, stop AI generation,

Basic information

Category

Developer Tools

Transports

stdio

Publisher

cafeTechne

Submitted by

cafeTechne

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "antigravity-link": {
      "command": "node",
      "args": [
        "/path/to/antigravity-link-extension/mcp-server.mjs"
      ],
      "env": {
        "AG_BRIDGE_URL": "https://localhost:3000",
        "AG_BRIDGE_TOKEN": "<your-token>"
      }
    }
  }
}

Tools

No tools detected

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Antigravity Link MCP Server?

Antigravity Link MCP Server is an MCP‑based interface within the Antigravity Link VS Code extension that lets AI assistants and external tools programmatically drive Antigravity IDE sessions. It provides a set of MCP tools for reading chat snapshots, sending messages, and stopping generation – all over a local, token‑authenticated server.

How to use Antigravity Link MCP Server?

Start the extension server with the Antigravity Link: Start Server command and copy the token from the QR code URL. Then configure your MCP client to point to the mcp-server.mjs script and set the environment variables AG_BRIDGE_URL and AG_BRIDGE_TOKEN. The MCP server exposes tools equivalent to the HTTP API endpoints /snapshot, /send, and /stop.

Key features of Antigravity Link MCP Server

  • MCP tools for Antigravity session control
  • Token‑based authentication for security
  • Works over local network only
  • Integrates with any MCP‑compatible AI client
  • Supports HTTPS for voice input via mobile UI

Use cases of Antigravity Link MCP Server

  • Automate Antigravity interactions from custom scripts or pipelines
  • Let an AI agent read and respond to Antigravity chats
  • Remotely monitor and manage multiple Antigravity windows
  • Build integrated workflows that combine Antigravity with other tools

FAQ from Antigravity Link MCP Server

Can I use this for automation?

Yes. The local HTTP API and MCP server are designed for exactly this. See the API and MCP server sections in the extension’s README.

Does this work over cellular or VPN?

Not by default; the server is LAN‑only. For remote access you would need to expose it through a tunnel such as ngrok or WireGuard. Token authentication and HTTPS remain in place.

Is the self‑signed certificate warning safe to accept?

Yes. The certificate is generated locally at server start. The warning appears because it is not issued by a public CA, not because the connection is insecure.

Does this work on iOS and Android?

Yes. The mobile UI (which the MCP server is part of) runs in any modern mobile browser – Safari on iOS, Chrome on Android, and others.

How is account safety ensured?

The extension uses the local Chrome DevTools Protocol port that Antigravity already exposes. It never makes requests to Google’s servers, does not modify Antigravity files, and runs entirely on your machine. Your prompts, chat history, and files never leave

Comments

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