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
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
Semgrep
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 | Semgrep Lightweight static analysis for many languages. Find bug variants with patterns that look like source code. | Ruff An extremely fast Python linter and code formatter, written in Rust. |
|---|---|---|---|---|
| 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 | 16K stars 0 installs | 48K stars 0 installs |
| Freshness | Jun 14, 2026 | Jun 11, 2026 | Jun 22, 2026 | Jun 14, 2026 |
| Use-case fit | ||||
| Workflow fit | ||||
| Platform hints | Rust, Static Analysis, Claude Code | Haskell, Static Analysis, Claude Code | OCaml, Static Analysis, Claude Code | Rust, Static Analysis, Claude Code |
| Warnings | No OpenAgentSkill engagement data yet | No OpenAgentSkill engagement data yet | No major risk signals from current metadata | 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 | 8 views 0 install copies | 0 views 0 install copies |
| Install | $ npx skills add fallow-rs/fallow | $ npx skills add koalaman/shellcheck | $ npx skills add semgrep/semgrep | $ npx skills add astral-sh/ruff |