google-gemini/gemini-skills

Gemini API skills

A library of skills for the Gemini API, SDK and model interactions.

About

LLMs have fixed knowledge, being trained at a specific point in time. Software dev is fast paced and changes often, where new libraries are launched every day and best practices evolve quickly.

This leaves a knowledge gap that language models can't solve on their own. For example, models don't know about themselves when they're trained, and they aren't necessarily aware of subtle changes in best practices (like thought circulation) or SDK changes.

Skills are a lightweight technique for adding relevant context to your agents. This repo contains skills related to building apps powered by the Gemini API.

Performance

Our evaluations found that adding this skill improved an agent's ability to generate correct API code following best practices to 87% with Gemini 3 Flash and 96% with Gemini 3.1 Pro. For more details, see our blog post: Closing the knowledge gap with agent skills.

Skills in this repo

[!IMPORTANT]

The vertex-ai-api-dev skill has moved to

skills/cloud/gemini-api.

| Skill | Description | | :--- | :--- | | gemini-api-dev | Skill for building apps with the Gemini API (Interactions API). Covers text generation, multi-turn chat, streaming, function calling, structured output, image generation, speech generation (TTS), Voice Design, Voice Replication, managed agents, Deep Research, deprecated model guardrails, and both Python and TypeScript SDKs. | | gemini-api-cli | Skill for calling the Gemini API from the shell with gemini-api. Covers text and media generation (image, tts, music, video), file and YouTube analysis, transcription, Deep Research, Antigravity sandboxes, and --jq / --body scripting. | | gemini-live-api-dev | Skill for building real-time, bidirectional streaming apps with the Gemini Live API. Covers WebSocket-based audio/video/text streaming, voice activity detection, native audio features, function calling, and session management. | | gemini-omni-flash-api | Specialized generative AI video skill focused on Gemini Omni 1.2 Flash (gemini-omni-1.2-flash), video editing, image and video referenced generation, first and last frame transitions, and video extensions (3s–15s per turn, up to 40s total) using the Interactions API. |

Installation

You can install these skills across your preferred AI coding assistants and package managers:

Using Vercel skills CLI

# Interactively browse and install skills.
npx skills add google-gemini/gemini-skills --list
Install a specific skill (e.g., gemini-api-dev).
npx skills add google-gemini/gemini-skills --skill gemini-api-dev

Using Context7 skills CLI

# Interactively browse and install skills.
npx ctx7 skills install /google-gemini/gemini-skills
Install a specific skill (e.g., gemini-api-dev).
npx ctx7 skills install /google-gemini/gemini-skills gemini-api-dev

Antigravity

The Gemini skills come bundled with Antigravity, find them under ⚙️ → Customizations → Build with Google Plugins.

Or install through the AGY CLI:

# Install it directly
agy plugin install https://github.com/google-gemini/gemini-skills

Claude Code

# Register the marketplace
/plugin marketplace add google-gemini/gemini-skills
Install the plugin
/plugin install gemini-skills@gemini-skills

Cursor

Install directly from the Cursor plugin directory or via the editor command:

/add-plugin google-gemini/gemini-skills

OpenAI Codex

# Add the marketplace source
codex plugin marketplace add https://github.com/google-gemini/gemini-skills
Install the plugin
codex plugin add gemini-skills@gemini-skills

More info

You can find additional information about setting up your coding assistant with Gemini API MCP and Skills in the docs.

Disclaimer

This is not an officially supported Google product. This project is not eligible for the Google Open Source Software Vulnerability Rewards Program.