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
Aureuserp is the strongest overall pick here because it has a 100/100 readiness score and fits Document processing.
Strongest overall
Aureuserp
Use this as a leading candidate, then validate the README and install path in your own agent stack.
Fastest prototype
Aureuserp
Best first install candidate based on install readiness and adoption.
Freshest repo
Invoiceninja
Most recent maintenance signal among this shortlist.
| Signal | Mustangproject Open Source Java e-Invoicing library, validator and tool (Factur-X/ZUGFeRD, UNCEFACT/CII XRechnung) | Invoiceninja A source-available invoice, quote, project and time-tracking app built with Laravel | Aureuserp Free and Open Source ERP platform | Kimai Kimai is the #1 open-source time-tracking application. From freelancers to companies and organisations - everyone can manage timesheets, generate reports, create invoices and so much more... Web-based multi-user application, available as On-Premise or SaaS version: https://www.kimai.org |
|---|---|---|---|---|
| Quality | 84/100 Strong | 100/100 Excellent | 100/100 Excellent | 100/100 Excellent |
| Decision verdict | 83/100 Strong shortlist Shortlist this skill and compare it with close alternatives before production adoption. | 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 | 428 stars 0 installs | 9.8K stars 0 installs | 11K stars 0 installs | 4.7K stars 0 installs |
| Freshness | Jun 15, 2026 | Jun 15, 2026 | Jun 15, 2026 | Jun 16, 2026 |
| Use-case fit | ||||
| Stack fit | ||||
| Platform hints | XSLT, Invoice, Claude Code | PHP, Invoice, Claude Code | PHP, Invoice, Claude Code | PHP, Invoice, 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 · builders willing to evaluate younger projects | 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 ZUGFeRD/mustangproject | $ npx skills add invoiceninja/invoiceninja | $ npx skills add aureuserp/aureuserp | $ npx skills add kimai/kimai |