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
Appium is the strongest overall pick here because it has a 100/100 readiness score and fits Browser automation.
Strongest overall
Appium
Use this as a leading candidate, then validate the README and install path in your own agent stack.
Fastest prototype
Appium
Best first install candidate based on install readiness and adoption.
Freshest repo
Appium
Most recent maintenance signal among this shortlist.
| Signal | Stryker Js Mutation testing for JavaScript and friends | Appium Cross-platform automation framework for all kinds of apps, built on top of the W3C WebDriver protocol | Keploy Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing. | Mockito Most popular Mocking framework for unit tests written in Java |
|---|---|---|---|---|
| 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 | 2.9K stars 0 installs | 22K stars 0 installs | 18K stars 0 installs | 15K stars 0 installs |
| Freshness | Jun 6, 2026 | Jun 7, 2026 | Jun 6, 2026 | Jun 4, 2026 |
| Use-case fit | ||||
| Stack fit | ||||
| Platform hints | TypeScript, Testing, Claude Code | TypeScript, Testing, Claude Code | Go, Testing, Claude Code | Java, Testing, 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 | Browser automation 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 stryker-mutator/stryker-js | $ npx skills add appium/appium | $ npx skills add keploy/keploy | $ npx skills add mockito/mockito |