ARC Labs
Free tool
ARC Skills
Open, copy-pasteable agent skills for real operator work.
A free, open library of production-ready Agent Skills — each a SKILL.md package with triggers, steps, and guardrails. Copy them into Claude, Cursor, or any Agent Skills runtime. No account, no lock-in.
Skill package · pr-review-summary
- FormatSKILL.md (Agent Skills spec)
- GuardrailsNo invented tests
- Install~/.cursor/skills/…
- RuntimeCursor / Claude / any
- LicenseMIT · 20 skills
What it does
- Agent Skills spec (SKILL.md) packages, MIT-licensed
- Searchable catalog plus JSON and raw-markdown API
- Copy / download with Cursor and Claude install paths
- Spec validator in CI so contributions stay loadable
How it works
- 1Browse 20 skills by job: engineering, ops, growth, security, AI, and more.
- 2Copy or download the SKILL.md and drop it into ~/.cursor/skills or .claude/skills.
- 3Keep the guardrails; adapt the trigger phrases to how your users actually ask.
Who it’s for
Operators and engineers who want copy-pasteable agent skills with documented inputs and guardrails, not a private prompt graveyard.
What’s next
- 20 operator skills + catalog UI — shipped
- Copy / download SKILL.md — shipped
- JSON + raw markdown API — shipped
- Open in Cursor / Claude deep links
Want these adapted to how you actually work?
Studio can help you pick, wire, and govern the pieces that match your team. Thirty minutes to see if that's useful.