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
Ruff is the strongest overall pick here because it has a 100/100 readiness score and fits Coding agents.
Strongest overall
Ruff
Use this as a leading candidate, then validate the README and install path in your own agent stack.
Fastest prototype
Ruff
Best first install candidate based on install readiness and adoption.
Freshest repo
Fallow
Most recent maintenance signal among this shortlist.
| Signal | Fallow Codebase intelligence for TypeScript and JavaScript. Free static layer: unused code, duplication, circular deps, complexity hotspots, architecture boundaries. Optional paid runtime layer: hot-path review and cold-path deletion evidence from real production traffic. Rust-native, sub-second, zero-config framework support. | Shellcheck ShellCheck, a static analysis tool for shell scripts | Ruff An extremely fast Python linter and code formatter, written in Rust. | Dependency Cruiser Validate and visualize dependencies. Your rules. JavaScript, TypeScript, CoffeeScript. ES6, CommonJS, AMD. |
|---|---|---|---|---|
| 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 | 3.6K stars 0 installs | 40K stars 0 installs | 48K stars 0 installs | 6.8K stars 0 installs |
| Freshness | Jun 12, 2026 | Jun 11, 2026 | Jun 12, 2026 | Jun 11, 2026 |
| Use-case fit | ||||
| Stack fit | ||||
| Platform hints | Rust, Static Analysis, Claude Code | Haskell, Static Analysis, Claude Code | Rust, Static Analysis, Claude Code | JavaScript, 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 | 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 | 0 views 0 install copies |
| Install | $ npx skills add fallow-rs/fallow | $ npx skills add koalaman/shellcheck | $ npx skills add astral-sh/ruff | $ npx skills add sverweij/dependency-cruiser |