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
Harness is the strongest overall pick here because it has a 100/100 readiness score and fits Coding agents.
Strongest overall
Harness
Use this as a leading candidate, then validate the README and install path in your own agent stack.
Fastest prototype
Harness
Best first install candidate based on install readiness and adoption.
Freshest repo
Nix Config
Most recent maintenance signal among this shortlist.
| Signal | Nix Config Wimpy's NixOS, nix-darwin & Home Manager Configurations ❄️ | Kubero A free and self-hosted PaaS alternative to Heroku / Netlify / Coolify / Vercel / Dokku / Portainer running on Kubernetes | Jreleaser :rocket: Release projects quickly and easily with JReleaser | Harness Harness Open Source is an end-to-end developer platform with Source Control Management, CI/CD Pipelines, Hosted Developer Environments, and Artifact Registries. |
|---|---|---|---|---|
| Quality | 86/100 Excellent | 100/100 Excellent | 100/100 Excellent | 100/100 Excellent |
| Decision verdict | 97/100 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 | 682 stars 0 installs | 4.3K stars 0 installs | 1.2K stars 0 installs | 37K stars 0 installs |
| Freshness | Jun 16, 2026 | Apr 15, 2026 | May 29, 2026 | Jun 15, 2026 |
| Use-case fit | ||||
| Stack fit | ||||
| Platform hints | Nix, CI/CD, Claude Code | TypeScript, CI/CD, Claude Code | Java, CI/CD, Claude Code | Go, CI/CD, 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 | GitHub automation 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 wimpysworld/nix-config | $ npx skills add kubero-dev/kubero | $ npx skills add jreleaser/jreleaser | $ npx skills add harness/harness |