Free tool
Why your skill is not triggering
Paste a SKILL.md below. It gets checked as you type. No submit button, no upload, nothing leaves this page. Most skills that never fire fail one specific check: the description does not tell Claude when to use them.
0 chars · 0 words
skills live at .claude/skills/<name>/SKILL.md · one folder per skill
Result
waiting for input · paste a SKILL.md on the left
Also free: the subagent generator. Write one agent .md with scoped tools and a pinned model.
These tools check one file. The packs ship dozens that already pass.
See the packs