Google Antigravity MCP server

by TurkerYakup·io.github.TurkerYakup/mcp-server-google-antigravity·v1.0.2·2 stars

No reviews yet

MCP server exposing Google Antigravity (agy CLI / Gemini): jobs, codebase analysis, file tools.

A85/100grade A

Write a review Install

What users say

No reviews yet

Be the first

Safety scan

A85/100

full report

Adoption

Growing

2 stars58 downloads/wk

Reviews

Write one

Nobody has reviewed Google Antigravity yet.

If you have run it, two minutes of your experience saves the next person an afternoon.

Google Antigravity tools (14, 5 write)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

antigravity_agents
List available agy agent profiles (runs `agy agents`). Use the name with the `agent` param of use_antigravity.
antigravity_cancelwrite action
Cancel a running Antigravity job (kills the agy process) by jobId.
antigravity_cleanupwrite action
Delete old job JSON files from agy_jobs directory.
antigravity_continue
Continue the latest agy conversation, or a specific conversation ID.
antigravity_create_filewrite action
Create/write a text file on disk (creates parent folders). Set overwrite=false to avoid replacing an existing file.
antigravity_create_folderwrite action
Create a folder (recursively) on disk. Instant, done by the server directly (no agy, no permission prompt).
antigravity_create_treewrite action
Create a whole folder/file structure from a JSON spec. In spec: a string value = file with that content, null = empty folder, a nested object = subfolder.
antigravity_health
Check that the agy CLI is reachable (version) and report the server's effective defaults and live job count. Run this first when something isn't working.
antigravity_jobs
List recent Antigravity jobs and their statuses (most recent first).
antigravity_list_dir
List entries in a folder on disk.
antigravity_models
List available Antigravity/Gemini models (runs `agy models`).
antigravity_read_file
Read a UTF-8 text file from disk (server-side, instant, no agy). Optionally cap bytes returned.
antigravity_result
Get the result of an Antigravity job by jobId. status is running | done | error | not_found. When done, the 'output' field holds agy's full response.
use_antigravity
Delegate a task to Antigravity (Gemini). Returns a jobId IMMEDIATELY; poll antigravity_result until done. Good for web search, large-codebase analysis, file/folder creation, viewing images/PDFs. add_dirs grants agy access to specific folders; auto_approve (default true) lets it create/edit files without prompts.

Public scan report

scanner v0.1.9 · 2026-09-25 · same rubric, same numbers if you re-run it

no findings

Code scan2 source files scanned25/25
–Live reliabilityno gateway calls yet and no remote to proben/a
–Tool poisoningtools not inspected (local package is not executed); not countedn/a
Auth qualitylocal package, no credentials required12/15
Maintenancelast push 73 days ago12/15
Maintainer identityregistry namespace matches repository owner6/10

Overall 85/100. Components that don't apply are left out of the denominator. Any critical finding is an F.Rubric Appeal a finding JSON

How Google Antigravity compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score: 85/100; higher than 70% of 48,255 servers
Tools: 14; the typical server has 7
Tools that change things: 36%; typical: 0%. Fewer write tools means less an agent can break
GitHub stars: 2; more than 75% of 28,688 servers
Downloads a week: 58; more than 48% of 12,191 servers with a package

What its tools let an agent do: 9 read · 5 change

Install Google Antigravity in Claude Code, Cursor or VS Code

Runs npx -y mcp-server-google-antigravity on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add mcp-server-google-antigravity -- npx -y mcp-server-google-antigravity

Add to Cursor

What the publisher says

From the Google Antigravity repository's README, as published. We do not edit it. Read it on GitHub

____ _                 _
  / ___| | __ _ _   _  __| | ___
 | |   | |/ _` | | | |/ _` |/ _ \
 | |___| | (_| | |_| | (_| |  __/
  \____|_|\__,_|\__,_|\__,_|\___|

               |
          +----+----+
          |   MCP   | (- you are here
          +----+----+
               |

     _          _   _                       _ _
    / \   _ __ | |_(_) __ _ _ __ __ ___   _(_) |_ _   _
   / _ \ | '_ \| __| |/ _` | '__/ _` \ \ / / | __| | | |
  / ___ \| | | | |_| | (_| | | | (_| |\ V /| | |_| |_| |
 /_/   \_\_| |_|\__|_|\__, |_|  \__,_| \_/ |_|\__|\__, |
                      |___/                       |___/

Let Claude (or any MCP client) hand its heavy work to Google Antigravity's agy agent.

-4285F4?logo=google&logoColor=white)

What is this?

mcp-server-google-antigravity is a small MCP (Model Context Protocol) server. It exposes Google Antigravity — Google's terminal coding agent, driven by the agy CLI (Gemini under the hood) — as a set of tools any MCP client can call.

The idea: your primary model (Claude Desktop, Claude Code, Codex, …) stays lean and delegates the grunt work — web search, whole-repo analysis, scaffolding files, long-running edits — to a second agent running in the background. Jobs are async and unlimited: you fire a task, get a jobId instantly, and poll for the result while the caller keeps working.

Claude / Codex          this MCP server            Antigravity
  +---------------+  tool  +----------------+ spawns  +--------------+
  |  "analyze the | -----> | use_antigravity| ------> | agy  --print |
  |   whole repo" |        | -> jobId(async)|         | (Gemini)     |
  +---------------+ <----- +----------------+ <------ +--------------+
        keeps working        polls result / logs        does the work

Requirements

Step 1 — Install the Antigravity CLI (agy)

Never used agy before? Start here. It's one command. First launch signs you in with Google.

macOS / Linux

curl -fsSL https://antigravity.google/cli/install.sh | bash

Windows (PowerShell)

irm https://antigravity.google/cli/install.ps1 | iex

Windows (CMD)

curl -fsSL https://antigravity.google/cli/install.cmd -o install.cmd && install.cmd && del install.cmd

Where it lands (remember this — you may need it for AGY_PATH below):

agy            # first run opens a Google Sign-In in your browser (creds cached in your OS keyring)
agy --version  # should print a version, e.g. 1.1.1
agy models     # lists the models you can use (Gemini 3.5 Flash, Gemini 3.1 Pro, ...)

If agy isn't found afterwards, open a new terminal (so PATH reloads) or run agy install to fix shell paths.

Step 2 — Get this MCP server

Option A — npx (recommended): Skip straight to Step 3 and use the npx config. The npx path works seamlessly from the public npm registry with no authentication required.

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Google Antigravity: common questions

Is Google Antigravity MCP server safe?: Yes, by our scan: it is graded A (85/100). Read the Google Antigravity safety report
How do I install Google Antigravity?: It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Google Antigravity need an API key?: Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Google Antigravity maintained?: The last commit was 113 days ago (2026-07-14). The latest release is v1.0.2.
How does Google Antigravity compare with other MCP servers?: safety score 85/100 (higher than 70% of 48,255 servers); tools 14 (the typical server has 7); tools that change things 36% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.