Antigravity Link MCP Server

Read this in your language: 日本語 · 中文（简体） · 中文（繁體） · 한국어 · Deutsch · Français · Español · Português · Русский · Italiano · Polski · Türkçe · Tiếng Việt · Bahasa Indonesia · العربية. It runs locally over stdio via the published package.

People connecting browser automation tools to Claude, Cursor, VS Code, or another MCP client. The project is written in HTML.

VERIFIED ACTIVE

LAST COMMIT 2026-06-04 · ★ 209 · #80 OF 196 MAINTAINED BROWSER AUTOMATION · VERIFIED 2026-08-25

MIT · HTML · how we verify → /methodology

01 · Install Antigravity Link

before you install - you'll need

Set AG_BRIDGE_URL, AG_BRIDGE_TOKEN before connecting.

Claude Code

claude mcp add cafetechne-antigravity-link-extension -- npx -y antigravity-link-extension

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "cafetechne-antigravity-link-extension": {
      "command": "npx",
      "args": [
        "-y",
        "antigravity-link-extension"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

npm package antigravity-link-extension - unscoped; check the name against the project README before installing

registry namespace io.github.cafeTechne is GitHub-verified and matches the repo owner

03 · What Antigravity Link can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v1.0.20 · 2026-06-04

Security · Removed child_process dependency entirely. Shell-based Language Server discovery (Get-CimInstance/ps/netstat) has been removed. The VS Code antigravity.getDiagnostics command is now the sole cascade-ID…

v1.0.19 · 2026-06-04

Security · Debug endpoints now require authentication. /debug/ routes were previously accessible on the LAN without a token, exposing snapshot HTML, cascade IDs, Language Server connection details, and button…

v1.0.18 · 2026-06-03

Silent send failure: Mobile send now shows a toast on server error and keeps the typed message in the input for retry. Previously the message was silently dropped. · Message injection fallback: injectMessage now tries…

04 · Who maintains Antigravity Link

Antigravity Link is maintained by cafetechne. It's the only MCP server we track from this author; the repo dates to Jan 2026.

05 · Facts

repository: github.com/cafetechne/antigravity-link-extension
category: browser automation - ranked #80 of 196 actively-maintained browser automation servers as of 2026-08-25.
release cadence: 5 releases in the last 90 days (latest 2026-06-04)
registry: io.github.cafeTechne/antigravity-link (active, first published 2026-03-31)
packages: npm:antigravity-link-extension

06 · Antigravity Link FAQ

What is Antigravity Link?

Is Antigravity Link still maintained?

Yes - as of 2026-08-25, its last commit was 2026-06-04 and it shipped 5 releases in the last 90 days. We re-verify nightly.

How do I install Antigravity Link?

Run `npx -y antigravity-link-extension`. The README documents 2 environment variables (AG_BRIDGE_URL, AG_BRIDGE_TOKEN) to set first. Set AG_BRIDGE_URL, AG_BRIDGE_TOKEN before connecting. You can also paste the ready-made client config above.

Does Antigravity Link run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Antigravity Link

Alternatives to Antigravity Link

Maintained browser automation servers if Antigravity Link isn't the fit.

Pairs well with

Servers that cover what Antigravity Link doesn't - only shown when the pairing reason fits the companion.

More browser automation MCP servers · GDD - AI-Controlled Browser Farm · Browser · Unblink