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
BillionMail is the strongest overall pick here because it has a 100/100 readiness score and fits Workflow automation.
Strongest overall
BillionMail
Use this as a leading candidate, then validate the README and install path in your own agent stack.
Fastest prototype
BillionMail
Best first install candidate based on install readiness and adoption.
Freshest repo
Alertmanager
Most recent maintenance signal among this shortlist.
| Signal | Carbon A simple, semantic and developer-friendly time package for golang | Leantime Leantime is a goals focused project management system for non-project managers. Building with ADHD, Autism, and dyslexia in mind. | BillionMail BillionMail gives you open-source MailServer, NewsLetter, Email Marketing — fully self-hosted, dev-friendly, and free from monthly fees. Join the discord: https://discord.gg/asfXzBUhZr | Alertmanager Prometheus Alertmanager |
|---|---|---|---|---|
| Quality | 100/100 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 | 5.2K stars 0 installs | 10K stars 0 installs | 15K stars 0 installs | 8.5K stars 0 installs |
| Freshness | Jun 12, 2026 | Jun 14, 2026 | Jun 11, 2026 | Jun 16, 2026 |
| Use-case fit | ||||
| Workflow fit | ||||
| Platform hints | Go, Calendar, Claude Code | PHP, Calendar, Claude Code | Go, Email, Claude Code | Go, Email, 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 | RAG and knowledge workflows · Claude Code teams · teams that value GitHub adoption signals | Workflow automation workflows · Claude Code teams · teams that value GitHub adoption signals | Workflow automation workflows · Claude Code teams · teams that value GitHub adoption signals | Workflow automation 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 dromara/carbon | $ npx skills add Leantime/leantime | $ npx skills add Billionmail/BillionMail | $ npx skills add prometheus/alertmanager |