Google Antigravity SDK
Google Antigravity SDK is an agent skill (a SKILL.md file) from google-antigravity/antigravity-sdk-python. Design, implement, and debug autonomous AI agents and multi-agent systems using the Google Antigravity (AGY) SDK. It works with Claude Code and has 3,858 GitHub stars. Install it by copying the skill folder into your agent's skills directory.
Data as of from the GitHub API; description from the skill's SKILL.md. Report an error
- Needs API key
- Coding
- Maintained
Add this skill
Claude
Claude Code loads skills from ~/.claude/skills/ (all projects) or .claude/skills/ (one project):
git clone --depth 1 https://github.com/google-antigravity/antigravity-sdk-python.git
cp -r antigravity-sdk-python/skills/google-antigravity-sdk ~/.claude/skills/google-antigravity-sdk # personal, or .claude/skills in a projectIn the Claude apps, zip the google-antigravity-sdk folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).
ChatGPT / Codex
Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:
git clone --depth 1 https://github.com/google-antigravity/antigravity-sdk-python.git
cp -r antigravity-sdk-python/skills/google-antigravity-sdk .agents/skills/google-antigravity-sdk # repo; ~/.agents/skills for all projectsStandalone skills also load in the ChatGPT desktop app.
Cursor
Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:
git clone --depth 1 https://github.com/google-antigravity/antigravity-sdk-python.git
cp -r antigravity-sdk-python/skills/google-antigravity-sdk .cursor/skills/google-antigravity-sdk # project; ~/.cursor/skills for all projectsSource (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)
What this skill does
Design, implement, and debug autonomous AI agents and multi-agent systems using the Google Antigravity (AGY) SDK. ACTIVATE this skill when the user wants to create, configure, or orchestrate Google Antigravity agents. Before proceeding with any Google Antigravity tasks, ensure the environment is ready:
When it triggers
- ACTIVATE this skill when the user wants to create, configure, or orchestrate Google Antigravity agents.
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How do I install the Google Antigravity SDK skill?
Copy the google-antigravity-sdk folder (the one containing SKILL.md) into ~/.claude/skills/ for Claude Code, .agents/skills/ for Codex or .cursor/skills/ for Cursor. The agent picks it up automatically when a task matches its description.
Is the Google Antigravity SDK skill free?
Yes. The repository is open source under the Apache-2.0 license. The skill mentions an API key or token for an external service, which may need its own account.
Is Google Antigravity SDK maintained?
The repository's most recent commit was on Oct 13, 2026. appsgit only lists skills from repositories with a commit in the last six months.