Learn about AI skills

An AI skill is an expert's know-how, packed up for your AI.

ExampleThree experts' know-how, each packed up as a skill: a real estate agent's listing method, a bookkeeper's month-end checklist and a café owner's menu costing.

Start here

The maker handbookTurn what you know into a skill, in eight steps.

Add a skill to your AI app

Most guides checked 11 October 2026.

Claude Upload a skill once and Claude uses it on the web, desktop and phone whenever the job comes up. ChatGPT Workspace plans upload skills. Personal plans use the desktop app or a Project. Custom GPTs retire on 11 December 2026. Gemini Upload a skill under Customize, Skills on a personal Google account. Work and school accounts get skills from 13 October 2026. Microsoft 365 Copilot In Microsoft's Frontier preview, add up to 8 skills to a Copilot agent by uploading the whole .zip. Microsoft Copilot Paste a skill's text at the start of a Copilot chat, with a personal account. Last checked 28 Oct 2026 Perplexity Upload a skill to Perplexity Computer as a .zip or a single .md file, up to 10 MB. Mistral Vibe Vibe takes skills by paste: copy SKILL.md into a new skill and attach the other files. Grok Link Grok to Trilly as a custom connector, then ask Grok for a skill. Last checked 24 Oct 2026 Other AI apps Goose, OpenCode, Cline, Devin Desktop and dozens more read the same skill folder, ~/.agents/skills.

For developers

Apps you run from a terminal or a code editor.

Claude Code Put the skill folder in your skills folder, or add it as a plugin. Claude Code finds it on its own. Codex Put the skill folder in ~/.agents/skills and Codex finds it, in the terminal, your editor or the ChatGPT desktop app. Cursor Drop the skill folder into ~/.cursor/skills and Cursor's Agent finds it, Cloud Agents included. GitHub Copilot Put the skill folder in ~/.copilot/skills and Copilot finds it in VS Code and the command line. Antigravity Google's coding app and CLI read skills from .agents/skills. Antigravity CLI replaced Gemini CLI for most people. Grok Build Unzip a skill into ~/.grok/skills, or link Grok Build to Trilly from the terminal. Last checked 23 Oct 2026

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