Skill comparison
Compare agent skills before installing.
Put high-signal skills side by side and inspect quality, adoption, freshness, install readiness, use-case fit, and warnings in one place.
Comparing 1 skill
Use this as a shortlist, then open the skill detail page before adopting.
Decision summary
gat-milestone is the strongest overall pick here because it has a 58/100 readiness score and fits Coding agents.
Strongest overall
gat-milestone
Prototype with this skill first; keep a fallback candidate ready.
Fastest prototype
gat-milestone
Best first install candidate based on install readiness and adoption.
Freshest repo
gat-milestone
Most recent maintenance signal among this shortlist.
| Signal | gat-milestone Plan milestone slices from overview + narrative alone (no system GDDs required), create per-milestone directory skeletons and briefs, and write gat/milestone/milestone.md. Runs before per-system design. Stops before technical design, task breakdown, or implementation. |
|---|---|
| Quality | 59/100 Promising |
| Decision verdict | 58/100 Prototype first Prototype with this skill first; keep a fallback candidate ready. |
| Adoption | 57 stars Verified outcomes are shown on each skill page |
| Freshness | Aug 20, 2026 |
| Use-case fit | |
| Workflow fit | |
| Platform hints | Claude Code |
| Warnings | Repository license is unknown, which creates uncertainty about usage rights and redistribution. · No OpenAgentSkill engagement data yet |
| Best for | Coding agents workflows · Claude Code teams · builders willing to evaluate younger projects |
| Not ideal for | teams that need a vendor-supported SLA · production agents without a repository review |
| OpenAgentSkill engagement | 0 views 0 install copies |
| Install | $ npx skills add Yuki001/game-dev-skills --skill gat-milestone |