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 4 skills
Use this as a shortlist, then open the skill detail page before adopting.
Decision summary
Shellcheck is the strongest overall pick here because it has a 100/100 readiness score and fits Coding agents.
Strongest overall
Shellcheck
Use this as a leading candidate, then validate the README and install path in your own agent stack.
Fastest prototype
Shellcheck
Best first install candidate based on install readiness and adoption.
Freshest repo
SwiftLint
Most recent maintenance signal among this shortlist.
| Signal | Credo A static code analysis tool for the Elixir language with a focus on code consistency and teaching. | Spotbugs SpotBugs is FindBugs' successor. A tool for static analysis to look for bugs in Java code. | Shellcheck ShellCheck, a static analysis tool for shell scripts | SwiftLint A tool to enforce Swift style and conventions. |
|---|---|---|---|---|
| Quality | 100/100 Excellent | 100/100 Excellent | 100/100 Excellent | 100/100 Excellent |
| Decision verdict | 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. | 100/100 Production-ready Use this as a leading candidate, then validate the README and install path in your own agent stack. |
| Adoption | 5.2K stars 0 installs | 3.9K stars 0 installs | 40K stars 0 installs | 20K stars 0 installs |
| Freshness | Jun 5, 2026 | Jun 13, 2026 | Jun 11, 2026 | Jun 13, 2026 |
| Use-case fit | ||||
| Stack fit | ||||
| Platform hints | Elixir, Static Analysis, Claude Code | Java, Static Analysis, Claude Code | Haskell, Static Analysis, Claude Code | Swift, Static Analysis, Claude Code |
| Warnings | No OpenAgentSkill engagement data yet | No OpenAgentSkill engagement data yet | No OpenAgentSkill engagement data yet | No major risk signals from current metadata |
| Best for | Coding agents workflows · Claude Code teams · teams that value GitHub adoption signals | Coding agents workflows · Claude Code teams · teams that value GitHub adoption signals | Coding agents workflows · Claude Code teams · teams that value GitHub adoption signals | Coding agents workflows · Claude Code teams · teams that value GitHub adoption signals |
| Not ideal for | 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 | 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 | 4 views 0 install copies |
| Install | $ npx skills add rrrene/credo | $ npx skills add spotbugs/spotbugs | $ npx skills add koalaman/shellcheck | $ npx skills add realm/SwiftLint |