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

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

Strongest overall

PHPMailer

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

Fastest prototype

PHPMailer

Best first install candidate based on install readiness and adoption.

Freshest repo

Frappe

Most recent maintenance signal among this shortlist.

Signal	Aiosmtpd A reimplementation of the Python stdlib smtpd.py based on asyncio.	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.	PHPMailer The classic email sending library for PHP	Frappe Low code web framework for real world applications, in Python and Javascript
Quality	80/100 Strong	100/100 Excellent	100/100 Excellent	100/100 Excellent
Decision verdict	79/100 Strong shortlist Shortlist this skill and compare it with close alternatives before production adoption.	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.
Adoption	370 stars 0 installs	15K stars 0 installs	22K stars 0 installs	10K stars 0 installs
Freshness	Jun 3, 2026	May 24, 2026	Jun 6, 2026	Jun 16, 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	PHP, 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 · builders willing to evaluate younger projects	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 aio-libs/aiosmtpd`	`$ npx skills add mail-in-a-box/mailinabox`	`$ npx skills add PHPMailer/PHPMailer`	`$ npx skills add frappe/frappe`