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
Novu is the strongest overall pick here because it has a 100/100 readiness score and fits Workflow automation.
Strongest overall
Novu
Use this as a leading candidate, then validate the README and install path in your own agent stack.
Fastest prototype
Novu
Best first install candidate based on install readiness and adoption.
Freshest repo
Novu
Most recent maintenance signal among this shortlist.
| Signal | OneSignal Flutter SDK OneSignal makes engaging customers simple and is the fastest, most reliable service to send push notifications, in-app messages, SMS, and emails. This plugin makes it easy to integrate your Fluter app with OneSignal. https://onesignal.com | Novu The open-source communication infrastructure for agents and products | Notifme Sdk A Node.js library to send all kinds of transactional notifications. | Thunderbird Android Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail) |
|---|---|---|---|---|
| Quality | 80/100 Strong | 100/100 Excellent | 86/100 Excellent | 100/100 Excellent |
| Decision verdict | 91/100 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. | 88/100 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 | 648 stars 0 installs | 39K stars 0 installs | 2.0K stars 0 installs | 14K stars 0 installs |
| Freshness | Jun 15, 2026 | Jun 16, 2026 | Nov 24, 2025 | Jun 16, 2026 |
| Use-case fit | ||||
| Stack fit | ||||
| Platform hints | Dart, Email, Claude Code | TypeScript, Email, Claude Code | JavaScript, Email, Claude Code | Kotlin, 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 OneSignal/OneSignal-Flutter-SDK | $ npx skills add novuhq/novu | $ npx skills add notifme/notifme-sdk | $ npx skills add thunderbird/thunderbird-android |