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
CoalMine is the strongest overall pick here because it has a 68/100 readiness score and fits GitHub automation.
Strongest overall
CoalMine
Prototype with this skill first; keep a fallback candidate ready.
Fastest prototype
CoalMine
Best first install candidate based on install readiness and adoption.
Freshest repo
CoalMine
Most recent maintenance signal among this shortlist.
| Signal | CoalMine Nine quality-canary skills for AI coding agents covering code health, rule completeness, grounding, supply chain, resilience, and drift, with auto-cadence hooks for session start/end. |
|---|---|
| Quality | 69/100 Promising |
| Decision verdict | 68/100 Prototype first Prototype with this skill first; keep a fallback candidate ready. |
| Adoption | 11 stars Verified outcomes are shown on each skill page |
| Freshness | Aug 8, 2026 |
| Use-case fit | |
| Workflow fit | |
| Platform hints | JavaScript, Claude Code, OpenAI Agents, Cursor |
| Warnings | Low GitHub adoption signal · No OpenAgentSkill engagement data yet |
| Best for | GitHub automation 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 HetCreep/CoalMine |