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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.

Add more skills

Decision summary

Mailspring is the strongest overall pick here because it has a 100/100 readiness score and fits Workflow automation.

Strongest overall

Mailspring

Use this as a leading candidate, then validate the README and install path in your own agent stack.

Fastest prototype

Mailspring

Best first install candidate based on install readiness and adoption.

Freshest repo

Time To Leave

Most recent maintenance signal among this shortlist.

SignalTime To Leave

Log work hours and get notified when it's time to leave the office and start to live.

Mailspring

:love_letter: A beautiful, fast and fully open source mail client for Mac, Windows and Linux.

Notesnook

A fully open source & end-to-end encrypted note taking alternative to Evernote.

Franz

Franz is a free messaging app for services like WhatsApp, Slack, Messenger and many more.

Quality
84/100
Strong
100/100
Excellent
100/100
Excellent
100/100
Excellent
Decision verdict
83/100
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.

Adoption489 stars
0 installs
18K stars
0 installs
14K stars
0 installs
4.7K stars
0 installs
FreshnessJun 20, 2026Jun 15, 2026Jun 16, 2026Jun 12, 2026
Use-case fit
Workflow automationCoding agentsRAG and knowledge
Workflow automationCoding agentsRAG and knowledge
Workflow automationCoding agentsRAG and knowledge
Workflow automationCoding agentsRAG and knowledge
Stack fit
Content growth agentCoding review agent
Content growth agentCoding review agent
Content growth agentCoding review agent
Content growth agentCoding review agent
Platform hintsJavaScript, Productivity, Claude CodeJavaScript, Email, Claude CodeTypeScript, Productivity, Claude CodeJavaScript, Productivity, Claude Code
WarningsNo OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yet
Best forWorkflow automation workflows · Claude Code teams · builders willing to evaluate younger projectsWorkflow automation workflows · Claude Code teams · teams that value GitHub adoption signalsWorkflow automation workflows · Claude Code teams · teams that value GitHub adoption signalsWorkflow automation workflows · Claude Code teams · teams that value GitHub adoption signals
Not ideal forteams that need a vendor-supported SLA · high-compliance environments without internal security reviewteams that need a vendor-supported SLA · high-compliance environments without internal security reviewteams that need a vendor-supported SLA · high-compliance environments without internal security reviewteams that need a vendor-supported SLA · high-compliance environments without internal security review
OpenAgentSkill engagement0 views
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Install
$ npx skills add TTLApp/time-to-leave
$ npx skills add Foundry376/Mailspring
$ npx skills add streetwriters/notesnook
$ npx skills add meetfranz/franz