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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.

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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

Mailspring

Most recent maintenance signal among this shortlist.

SignalAction Send Mail

:gear: A GitHub Action to send an email to multiple recipients

Cloud Mail

A Cloudflare-based email service | 基于 Cloudflare 的邮箱服务 | Cloudflare Email 邮箱 Mail

Mailspring

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

Mjml

MJML: the only framework that makes responsive-email easy

Quality
85/100
Excellent
100/100
Excellent
100/100
Excellent
100/100
Excellent
Decision verdict
96/100
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.

Adoption587 stars
0 installs
11K stars
0 installs
18K stars
0 installs
18K stars
0 installs
FreshnessJun 15, 2026Jun 9, 2026Jun 15, 2026Jun 12, 2026
Use-case fit
Workflow automationGitHub automationCoding agents
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, Email, Claude CodeJavaScript, Email, Claude CodeJavaScript, Email, Claude CodeJavaScript, Email, 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 · 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 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 dawidd6/action-send-mail
$ npx skills add maillab/cloud-mail
$ npx skills add Foundry376/Mailspring
$ npx skills add mjmlio/mjml