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
Mjml is the strongest overall pick here because it has a 100/100 readiness score and fits Workflow automation.
Strongest overall
Mjml
Use this as a leading candidate, then validate the README and install path in your own agent stack.
Fastest prototype
Mjml
Best first install candidate based on install readiness and adoption.
Freshest repo
Notifuse
Most recent maintenance signal among this shortlist.
| Signal | Paperboy 💌💨 Email Campaign Delivery built with GoLang inspired by GoHugo | Notifuse Notifuse is an open-source & modern emailing platform | Mjml MJML: the only framework that makes responsive-email easy | Email Verifier :white_check_mark: A Go library for email verification without sending any emails. |
|---|---|---|---|---|
| Quality | 69/100 Promising | 99/100 Excellent | 100/100 Excellent | 93/100 Excellent |
| Decision verdict | 80/100 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 | 502 stars 0 installs | 2.0K stars 0 installs | 18K stars 0 installs | 1.6K stars 0 installs |
| Freshness | Feb 7, 2026 | Jun 15, 2026 | Jun 12, 2026 | Feb 26, 2026 |
| Use-case fit | ||||
| Stack fit | ||||
| Platform hints | Go, Email, Claude Code | Go, Email, Claude Code | JavaScript, 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 rykov/paperboy | $ npx skills add Notifuse/notifuse | $ npx skills add mjmlio/mjml | $ npx skills add AfterShip/email-verifier |