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
Stirling PDF is the strongest overall pick here because it has a 100/100 readiness score and fits Document processing.
Strongest overall
Stirling PDF
Use this as a leading candidate, then validate the README and install path in your own agent stack.
Fastest prototype
Stirling PDF
Best first install candidate based on install readiness and adoption.
Freshest repo
Stirling PDF
Most recent maintenance signal among this shortlist.
| Signal | Ebooks 📖 编程书籍资源库 | CS Books 🔥🔥超过1000本的计算机经典书籍、个人笔记资料以及本人在各平台发表文章中所涉及的资源等。书籍资源包括C/C++、Java、Python、Go语言、数据结构与算法、操作系统、后端架构、计算机系统知识、数据库、计算机网络、设计模式、前端、汇编以及校招社招各种面经~ | Books Pdf books pdf | Stirling PDF #1 PDF Application on GitHub that lets you edit PDFs on any device anywhere |
|---|---|---|---|---|
| Quality | 50/100 Needs review | 94/100 Excellent | 69/100 Promising | 100/100 Excellent |
| Decision verdict | 52/100 Needs manual review Do a manual repository review before adding this to an agent workflow. | 96/100 Production-ready Use this as a leading candidate, then validate the README and install path in your own agent stack. | 71/100 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 | 966 stars 0 installs | 27K stars 0 installs | 2.2K stars 0 installs | 81K stars 0 installs |
| Freshness | Apr 25, 2023 | Nov 6, 2025 | Feb 12, 2016 | Jun 16, 2026 |
| Use-case fit | ||||
| Stack fit | ||||
| Platform hints | PDF, Claude Code | PDF, Claude Code | PDF, Claude Code | TypeScript, PDF, Claude Code |
| Warnings | Repository looks stale · No OpenAgentSkill engagement data yet | No OpenAgentSkill engagement data yet | Repository looks stale · 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 | 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 require actively maintained dependencies · production agents without a repository review | teams that need a vendor-supported SLA · high-compliance environments without internal security review | teams that require actively maintained dependencies · production agents without a repository 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 cunyu1943/ebooks | $ npx skills add forthespada/CS-Books | $ npx skills add huyubing/books-pdf | $ npx skills add Stirling-Tools/Stirling-PDF |