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 | Signaturepdf Free open-source web software for signing PDF (alone or with others) and also organize pages, edit metadata and compress pdf | Stirling PDF #1 PDF Application on GitHub that lets you edit PDFs on any device anywhere | Bentopdf The Privacy First PDF Toolkit | Unipdf Golang PDF library for creating and processing PDF files (pure go) |
|---|---|---|---|---|
| Quality | 86/100 Excellent | 100/100 Excellent | 100/100 Excellent | 100/100 Excellent |
| Decision verdict | 98/100 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 | 796 stars 0 installs | 81K stars 0 installs | 14K stars 0 installs | 3.1K stars 0 installs |
| Freshness | Jun 12, 2026 | Jun 16, 2026 | Jun 12, 2026 | May 27, 2026 |
| Use-case fit | ||||
| Stack fit | ||||
| Platform hints | JavaScript, PDF, Claude Code | TypeScript, PDF, Claude Code | JavaScript, PDF, Claude Code | Go, PDF, Claude Code |
| Warnings | No major risk signals from current metadata | No OpenAgentSkill engagement data yet | No major risk signals from current metadata | 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 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 | 1 views 0 install copies | 0 views 0 install copies | 2 views 0 install copies | 0 views 0 install copies |
| Install | $ npx skills add 24eme/signaturepdf | $ npx skills add Stirling-Tools/Stirling-PDF | $ npx skills add alam00000/bentopdf | $ npx skills add unidoc/unipdf |