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
React Email is the strongest overall pick here because it has a 100/100 readiness score and fits Workflow automation.
Strongest overall
React Email
Use this as a leading candidate, then validate the README and install path in your own agent stack.
Fastest prototype
React Email
Best first install candidate based on install readiness and adoption.
Freshest repo
Notifuse
Most recent maintenance signal among this shortlist.
| Signal | Notifuse Notifuse is an open-source & modern emailing platform | 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 | React Email 💌 Build and send emails using React | Mailinabox Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box. |
|---|---|---|---|---|
| Quality | 96/100 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 | 2.0K stars 0 installs | 15K stars 0 installs | 19K stars 0 installs | 15K stars 0 installs |
| Freshness | Jun 15, 2026 | Jun 11, 2026 | Jun 12, 2026 | May 24, 2026 |
| Use-case fit | ||||
| Workflow fit | ||||
| Platform hints | Go, Email, Claude Code | Go, Email, Claude Code | TypeScript, Email, Claude Code | Python, 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 Notifuse/notifuse | $ npx skills add Billionmail/BillionMail | $ npx skills add resend/react-email | $ npx skills add mail-in-a-box/mailinabox |