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
Mockito is the strongest overall pick here because it has a 100/100 readiness score and fits Coding agents.
Strongest overall
Mockito
Use this as a leading candidate, then validate the README and install path in your own agent stack.
Fastest prototype
Mockito
Best first install candidate based on install readiness and adoption.
Freshest repo
SHAFT ENGINE
Most recent maintenance signal among this shortlist.
| Signal | Carina Carina automation framework (TestNG): Web, Mobile, API, DB etc testing... | SHAFT ENGINE SHAFT is a unified test automation engine for web, mobile, API, CLI, database, and desktop e2e testing. Powered by best-in-class frameworks, SHAFT provides a wizard-like syntax to drive your automation efficiently, maximize your ROI, and minimize your learning curve with no limitations! Stop reinventing the wheel! Upgrade now! | Mockito Most popular Mocking framework for unit tests written in Java | Testcontainers Java Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container. |
|---|---|---|---|---|
| Quality | 77/100 Strong | 83/100 Strong | 100/100 Excellent | 100/100 Excellent |
| Decision verdict | 88/100 Production-ready Use this as a leading candidate, then validate the README and install path in your own agent stack. | 82/100 Strong shortlist Shortlist this skill and compare it with close alternatives before production adoption. | 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 | 961 stars 0 installs | 390 stars 0 installs | 15K stars 0 installs | 8.7K stars 0 installs |
| Freshness | Dec 19, 2025 | Jun 16, 2026 | Jun 8, 2026 | Jun 11, 2026 |
| Use-case fit | ||||
| Stack fit | ||||
| Platform hints | Java, Testing, Claude Code | Java, Testing, Claude Code | Java, Testing, Claude Code | Java, Testing, Claude Code, Browser agents |
| 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 | Testing and QA workflows · Claude Code teams · builders willing to evaluate younger projects | Coding agents workflows · Claude Code teams · teams that value GitHub adoption signals | Testing and QA 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 zebrunner/carina | $ npx skills add ShaftHQ/SHAFT_ENGINE | $ npx skills add mockito/mockito | $ npx skills add testcontainers/testcontainers-java |