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

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

Strongest overall

Mailinabox

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

Fastest prototype

Mailinabox

Best first install candidate based on install readiness and adoption.

Freshest repo

App

Most recent maintenance signal among this shortlist.

Signal	Socialscan Python library for accurately querying username and email usage on online platforms	Mailinabox Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.	Mailcat Find existing email addresses by nickname using API/SMTP checking methods without user notification. Please, don't hesitate to improve cat's job! 🐱🔎 📬	App The SimpleLogin back-end and web app
Quality	98/100 Excellent	100/100 Excellent	87/100 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.	98/100 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.
Adoption	1.8K stars 0 installs	15K stars 0 installs	890 stars 0 installs	6.7K stars 0 installs
Freshness	Apr 27, 2026	May 24, 2026	May 24, 2026	Jun 12, 2026
Use-case fit	Workflow automation GitHub automation Coding agents	Workflow automation Coding agents RAG and knowledge	Workflow automation Coding agents RAG and knowledge	Workflow automation Coding agents RAG and knowledge
Stack fit	Content growth agent Coding review agent	Content growth agent Coding review agent	Content growth agent Coding review agent	Content growth agent Coding review agent
Platform hints	Python, Email, Claude Code	Python, Email, Claude Code	Python, Email, Claude Code	Python, Email, Claude Code
Warnings	No OpenAgentSkill engagement data yet	No OpenAgentSkill engagement data yet	No OpenAgentSkill engagement data yet	No OpenAgentSkill engagement data yet
Best for	Workflow automation workflows · Claude Code teams · teams that value GitHub adoption signals	Workflow automation workflows · Claude Code teams · teams that value GitHub adoption signals	Workflow automation workflows · Claude Code teams · teams that value GitHub adoption signals	Workflow automation workflows · Claude Code teams · teams that value GitHub adoption signals
Not ideal for	teams that need a vendor-supported SLA · high-compliance environments without internal security review	teams that need a vendor-supported SLA · high-compliance environments without internal security review	teams that need a vendor-supported SLA · high-compliance environments without internal security review	teams that need a vendor-supported SLA · high-compliance environments without internal security review
OpenAgentSkill engagement	0 views 0 install copies	0 views 0 install copies	0 views 0 install copies	0 views 0 install copies
Install	`$ npx skills add iojw/socialscan`	`$ npx skills add mail-in-a-box/mailinabox`	`$ npx skills add sharsil/mailcat`	`$ npx skills add simple-login/app`