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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

Notesnook

Most recent maintenance signal among this shortlist.

SignalDeer

:pencil2:A modern, fast, beautiful note taking app, built on Electron and React

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.

Espanso

A Privacy-first, Cross-platform Text Expander written in Rust

Quality
51/100
Needs review
100/100
Excellent
100/100
Excellent
100/100
Excellent
Decision verdict
41/100
Needs manual review

Do a manual repository review before adding this to an agent workflow.

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.

Adoption325 stars
0 installs
18K stars
0 installs
14K stars
0 installs
14K stars
0 installs
FreshnessJan 4, 2023Jun 15, 2026Jun 16, 2026Jun 14, 2026
Use-case fit
Browser automationWorkflow automationGitHub automation
Workflow automationCoding agentsRAG and knowledge
Workflow automationCoding agentsRAG and knowledge
Workflow automationCoding agentsRAG and knowledge
Stack fit
Content growth agentBrowser QA 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 CodeRust, Productivity, Claude Code
WarningsRepository looks stale · No OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yet
Best forBrowser 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 require actively maintained dependencies · production agents without a repository 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
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Install
$ npx skills add abahmed/Deer
$ npx skills add Foundry376/Mailspring
$ npx skills add streetwriters/notesnook
$ npx skills add espanso/espanso