Skill comparison
Compare agent skills before installing.
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
PdfDing
Most recent maintenance signal among this shortlist.
| Signal | PdfDing Selfhosted PDF manager, viewer and editor offering a seamless user experience on multiple devices. | Paperless Ngx A community-supported supercharged document management system: scan, index and archive all your documents | Stirling PDF #1 PDF Application on GitHub that lets you edit PDFs on any device anywhere | Xournalpp Xournal++ is a handwriting notetaking software with PDF annotation support. Written in C++ with GTK3, supporting Linux (e.g. Ubuntu, Debian, Arch, SUSE), macOS and Windows 10. Supports pen input from devices such as Wacom Tablets. |
|---|---|---|---|---|
| Quality | 98/100 Excellent | 100/100 Excellent | 100/100 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. | 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 | 1.8K stars Verified outcomes are shown on each skill page | 42K stars Verified outcomes are shown on each skill page | 81K stars Verified outcomes are shown on each skill page | 15K stars Verified outcomes are shown on each skill page |
| Freshness | Jul 14, 2026 | Jun 20, 2026 | Jun 18, 2026 | Jun 15, 2026 |
| Use-case fit | ||||
| Workflow fit | ||||
| Platform hints | Python, PDF, Claude Code | Python, PDF, Claude Code | TypeScript, PDF, Claude Code | C++, PDF, Claude Code |
| Warnings | No OpenAgentSkill engagement data yet | No OpenAgentSkill engagement data yet | 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 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 mrmn2/PdfDing | $ npx skills add paperless-ngx/paperless-ngx | $ npx skills add Stirling-Tools/Stirling-PDF | $ npx skills add xournalpp/xournalpp |