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

Frappe

Most recent maintenance signal among this shortlist.

Signal	H8mail Email OSINT & Password breach hunting tool, locally or using premium services. Supports chasing down related email	TREVORspray TREVORspray is a modular password sprayer with threading, clever proxying, loot modules, and more!	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.	Frappe Low code web framework for real world applications, in Python and Javascript
Quality	72/100 Strong	100/100 Excellent	100/100 Excellent	100/100 Excellent
Decision verdict	74/100 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	5.0K stars 0 installs	1.3K stars 0 installs	15K stars 0 installs	10K stars 0 installs
Freshness	Aug 15, 2023	May 21, 2026	May 24, 2026	Jun 16, 2026
Use-case fit	Workflow automation Coding agents RAG and knowledge	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	Repository looks stale · 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 require actively maintained dependencies · production agents without a repository 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 khast3x/h8mail`	`$ npx skills add blacklanternsecurity/TREVORspray`	`$ npx skills add mail-in-a-box/mailinabox`	`$ npx skills add frappe/frappe`