Two folders.
Project (this repo only)
.cursor/skills/<name>/SKILL.mdPersonal (every project)
~/.cursor/skills/<name>/SKILL.mdType / in Agent chat and search for the skill. Cursor also reads .agents/skills, .claude/skills and .codex/skills, so a skill installed for another agent works here too. Official Cursor skills docs →
Full walkthrough for every agent: how to use a skill.