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
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
Go Mail
Most recent maintenance signal among this shortlist.
| Signal | Pingme PingMe - A unified CLI and web service for sending notifications across multiple messaging platforms | Notify A dead simple Go library for sending notifications to various messaging services. | Go Mail 📧 Easy to use, yet comprehensive library for sending mails with Go | 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 |
|---|---|---|---|---|
| Quality | 87/100 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 | 853 stars 0 installs | 3.7K stars 0 installs | 1.4K stars 0 installs | 15K stars 0 installs |
| Freshness | Jun 6, 2026 | Jun 15, 2026 | Jun 15, 2026 | Jun 11, 2026 |
| Use-case fit | ||||
| Stack fit | ||||
| Platform hints | Go, Email, Claude Code | Go, Email, 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 | 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 | 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 kha7iq/pingme | $ npx skills add nikoksr/notify | $ npx skills add wneessen/go-mail | $ npx skills add Billionmail/BillionMail |