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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

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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

Nodemailer

Most recent maintenance signal among this shortlist.

SignalMjml

MJML: the only framework that makes responsive-email easy

Cloud Mail

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

Nodemailer

✉️ Send e-mails with Node.JS – easy as cake!

Heml

HEML is an open source markup language for building responsive email.

Quality
100/100
Excellent
100/100
Excellent
100/100
Excellent
77/100
Strong
Decision verdict
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.

79/100
Strong shortlist

Shortlist this skill and compare it with close alternatives before production adoption.

Adoption18K stars
0 installs
11K stars
0 installs
18K stars
0 installs
4.3K stars
0 installs
FreshnessJun 12, 2026Jun 9, 2026Jun 15, 2026Feb 9, 2020
Use-case fit
Workflow automationCoding agentsRAG and knowledge
Workflow automationCoding agentsRAG and knowledge
Workflow automationCoding agentsRAG and knowledge
Workflow automationSports analyticsCoding agents
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 yetRepository looks stale · No 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 require actively maintained dependencies · production agents without a repository review
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Install
$ npx skills add mjmlio/mjml
$ npx skills add maillab/cloud-mail
$ npx skills add nodemailer/nodemailer
$ npx skills add SparkPost/heml