Skill comparison
Use this as a shortlist, then open the skill detail page before adopting.
Decision summary
Strongest overall
Free Programming Books
Use this as a leading candidate, then validate the README and install path in your own agent stack.
Fastest prototype
Free Programming Books
Best first install candidate based on install readiness and adoption.
Freshest repo
Sakai
Most recent maintenance signal among this shortlist.
| Signal | Sakai Sakai is a freely available, feature-rich technology solution for learning, teaching, research and collaboration. Sakai is an open source software suite developed by a diverse and global adopter community. | Free Programming Books :books: Freely available programming books |
|---|---|---|
| Quality | 96/100 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. |
| Adoption | 1.2K stars Verified outcomes are shown on each skill page | 390K stars Verified outcomes are shown on each skill page |
| Freshness | Jun 15, 2026 | Jun 13, 2026 |
| Use-case fit |
| Workflow fit |
| Platform hints | Java, Education, Claude Code | Python, Education, Claude Code |
| Warnings | No OpenAgentSkill engagement data yet | No OpenAgentSkill engagement data yet |
| Best for | Research 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 |
| OpenAgentSkill engagement | 0 views 0 install copies | 0 views 0 install copies |
| Install | $ npx skills add sakaiproject/sakai | $ npx skills add EbookFoundation/free-programming-books |