Star0

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

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

Strongest overall

Mailu

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

Fastest prototype

Mailu

Best first install candidate based on install readiness and adoption.

Freshest repo

MailKit

Most recent maintenance signal among this shortlist.

SignalSimple Java Mail

Simple API, Complex Emails (Jakarta Mail smtp wrapper)

Maddy

✉️ Composable all-in-one mail server.

Mailu

Insular email distribution - mail server as Docker images

MailKit

A cross-platform .NET library for IMAP, POP3, and SMTP.

Quality
100/100
Excellent
100/100
Excellent
100/100
Excellent
100/100
Excellent
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.

100/100
Production-ready

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

Adoption1.3K stars
0 installs
6.0K stars
0 installs
7.3K stars
0 installs
6.8K stars
0 installs
FreshnessJun 5, 2026May 26, 2026May 31, 2026Jun 12, 2026
Use-case fit
Workflow automationCoding agentsRAG and knowledge
Workflow automationCoding agentsRAG and knowledge
Workflow automationCoding agentsRAG and knowledge
Workflow automationDocument processingCoding agents
Stack fit
Content growth agentCoding review agent
Content growth agentCoding review agent
Content growth agentCoding review agent
Content growth agentCoding review agent
Platform hintsJava, Email, Claude CodeGo, Email, Claude CodePython, Email, Claude CodeC#, 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
0 install copies
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Install
$ npx skills add bbottema/simple-java-mail
$ npx skills add foxcpp/maddy
$ npx skills add Mailu/Mailu
$ npx skills add jstedfast/MailKit