Skill comparison
Compare agent skills before installing.
Comparing 4 skills
Use this as a shortlist, then open the skill detail page before adopting.
Decision summary
Bruno is the strongest overall pick here because it has a 100/100 readiness score and fits Coding agents.
Strongest overall
Bruno
Use this as a leading candidate, then validate the README and install path in your own agent stack.
Fastest prototype
Bruno
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. | Bruno Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia) | Lighthouse Automated auditing, performance metrics, and best practices for the web. | Frontend Slides Create beautiful slides on the web using a coding agent's frontend skills |
|---|---|---|---|---|
| Quality | 69/100 Promising | 100/100 Excellent | 100/100 Excellent | 100/100 Excellent |
| Decision verdict | 68/100 Prototype first Prototype with this skill first; keep a fallback candidate ready. | 100/100 Production-ready Use this as a leading candidate, then validate the README and install path in your own agent stack. | 100/100 Production-ready Use this as a leading candidate, then validate the README and install path in your own agent stack. | 100/100 Production-ready Use this as a leading candidate, then validate the README and install path in your own agent stack. |
| Adoption | 11 stars Verified outcomes are shown on each skill page | 45K stars Verified outcomes are shown on each skill page | 30K stars Verified outcomes are shown on each skill page | 22K stars Verified outcomes are shown on each skill page |
| Freshness | Aug 8, 2026 | Jun 19, 2026 | Jun 18, 2026 | Jun 13, 2026 |
| Use-case fit | ||||
| Workflow fit | ||||
| Platform hints | JavaScript, Claude Code, OpenAI Agents, Cursor | JavaScript, Developer Tools, Claude Code | JavaScript, Developer Tools, Claude Code | JavaScript, Coding Agent, Claude Code |
| Warnings | Low GitHub adoption signal · No OpenAgentSkill engagement data yet | No OpenAgentSkill engagement data yet | No OpenAgentSkill engagement data yet | No OpenAgentSkill engagement data yet |
| Best for | GitHub automation workflows · Claude Code teams · builders willing to evaluate younger projects | Coding agents workflows · Claude Code teams · teams that value GitHub adoption signals | Coding agents workflows · Claude Code teams · teams that value GitHub adoption signals | Presentation generation workflows · Claude Code teams · teams that value GitHub adoption signals |
| Not ideal for | teams that need a vendor-supported SLA · production agents without a repository review | teams that need a vendor-supported SLA · high-compliance environments without internal security review | teams that need a vendor-supported SLA · high-compliance environments without internal security review | teams that need a vendor-supported SLA · high-compliance environments without internal security review |
| OpenAgentSkill engagement | 0 views 0 install copies | 0 views 0 install copies | 0 views 0 install copies | 0 views 0 install copies |
| Install | $ npx skills add HetCreep/CoalMine | $ npx skills add usebruno/bruno | $ npx skills add GoogleChrome/lighthouse | $ npx skills add zarazhangrui/frontend-slides |