Skill comparison
Use this as a shortlist, then open the skill detail page before adopting.
Decision summary
Strongest overall
Quarkdown
Use this as a leading candidate, then validate the README and install path in your own agent stack.
Fastest prototype
Quarkdown
Best first install candidate based on install readiness and adoption.
Freshest repo
Quarkdown
Most recent maintenance signal among this shortlist.
| Signal | Crowbook Converts books written in Markdown to HTML, LaTeX/PDF and EPUB | Quarkdown 🪐 Markdown with superpowers: from ideas to papers, presentations, websites, books, and knowledge bases. |
|---|---|---|
| Quality | 68/100 Promising | 100/100 Excellent |
| Decision verdict | 70/100 Prototype first Prototype with this skill first; keep a fallback candidate ready. | 100/100 Production-ready Use this as a leading candidate, then validate the README and install path in your own agent stack. |
| Adoption | 820 stars Verified outcomes are shown on each skill page | 16K stars Verified outcomes are shown on each skill page |
| Freshness | Feb 16, 2026 | Jun 17, 2026 |
| Use-case fit |
| Workflow fit |
| Platform hints | Rust, PDF, Claude Code | Kotlin, PDF, Claude Code |
| Warnings | No OpenAgentSkill engagement data yet | No OpenAgentSkill engagement data yet |
| Best for | Document processing workflows · Claude Code teams · teams that value GitHub adoption signals | Document processing 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 crowdagger/crowbook | $ npx skills add iamgio/quarkdown |