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
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
Rubycritic
Most recent maintenance signal among this shortlist.
| Signal | Rubycritic A Ruby code quality reporter | Brakeman A static analysis security vulnerability scanner for Ruby on Rails applications | 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 | 3.5K stars 0 installs | 7.2K stars 0 installs | 40K stars 0 installs | 20K stars 0 installs |
| Freshness | Jun 24, 2026 | Jun 15, 2026 | Jun 11, 2026 | Jun 20, 2026 |
| Use-case fit | ||||
| Workflow fit | ||||
| Platform hints | Ruby, Static Analysis, Claude Code | Ruby, 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 OpenAgentSkill engagement data yet |
| Best for | Coding agents workflows · Claude Code teams · teams that value GitHub adoption signals | Security and compliance 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 | 0 views 0 install copies |
| Install | $ npx skills add whitesmith/rubycritic | $ npx skills add presidentbeef/brakeman | $ npx skills add koalaman/shellcheck | $ npx skills add realm/SwiftLint |