Skills live in <cwd>/.claude/skills/<name>/SKILL.md (frontmatter name + description). SkillCatalog re-reads them on every run and the prompt lists name, description and path; the model reads the full SKILL.md with the read tool when a task matches.
Skills live in <cwd>/.claude/skills/<name>/SKILL.md (frontmatter name + description). SkillCatalog re-reads them on every run and the prompt lists name, description and path; the model reads the full SKILL.md with the read tool when a task matches.