By app
| App | Where |
|---|---|
| Claude (web and desktop) | Customize, Skills: turn its switch off, or open it, choose the ... button and Delete |
| Claude Code | Delete the folder from ~/.claude/skills/ or the project's .claude/skills/. For a plugin, open /plugin, go to Installed and choose Uninstall |
| ChatGPT (workspace plans) | Plugins, Skills tab |
| Codex | Delete the folder from ~/.agents/skills/ or the project's .agents/skills/ |
| Gemini | Customize, Skills: click the skill, then More, then Deactivate. Or hover over it, click More, then Delete (this can't be undone) |
| Antigravity | Delete the folder from .agents/skills/ or your global skills folder |
| GitHub Copilot | Delete the folder from ~/.copilot/skills/ or the repository's .github/skills/ |
| Microsoft 365 Copilot | Open the agent in Agent Builder and remove the skill under Configure, Skills |
| Cursor | Delete the folder from .cursor/skills/ or ~/.cursor/skills/, then restart Cursor |
| Perplexity | Remove it in Perplexity Computer, where you uploaded it |
| Mistral Vibe | Context, Skills: turn it off or delete it |
| Other tools | Delete the folder from that tool's skills folder (list) |
If you pasted a skill into a ChatGPT or Claude Project, a Gem or a Microsoft 365 agent's instructions, delete the pasted text, the Gem or the agent.
Added through a linked AI?
Ask your AI to remove the skill, for example "remove the budget skill from Trilly". To stop your AI app using Trilly at all, disconnect it in Settings, Linked AI apps.
Paid skills
Removing a skill doesn't cancel a monthly payment. Cancel in billing settings.