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.

Add more skills

Decision summary

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

Strongest overall

BillionMail

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

Fastest prototype

BillionMail

Best first install candidate based on install readiness and adoption.

Freshest repo

Notifuse

Most recent maintenance signal among this shortlist.

Signal	Notifuse Notifuse is an open-source & modern emailing platform	Email Verifier :white_check_mark: A Go library for email verification without sending any emails.	BillionMail BillionMail gives you open-source MailServer, NewsLetter, Email Marketing — fully self-hosted, dev-friendly, and free from monthly fees. Join the discord: https://discord.gg/asfXzBUhZr	Wakapi 📊 A minimalist, self-hosted WakaTime-compatible backend for coding statistics
Quality	99/100 Excellent	93/100 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.
Adoption	2.0K stars 0 installs	1.6K stars 0 installs	15K stars 0 installs	4.3K stars 0 installs
Freshness	Jun 15, 2026	Feb 26, 2026	Jun 11, 2026	May 28, 2026
Use-case fit	Workflow automation Coding agents RAG and knowledge	Workflow automation Coding agents RAG and knowledge	Workflow automation Research agents Marketing and growth	Coding agents Workflow automation RAG and knowledge
Stack fit	Content growth agent Coding review agent	Content growth agent Coding review agent	Content growth agent Research report agent	Content growth agent Coding review agent
Platform hints	Go, Email, Claude Code	Go, Email, Claude Code	Go, Email, Claude Code	Go, Productivity, 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	Coding agents 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 Notifuse/notifuse`	`$ npx skills add AfterShip/email-verifier`	`$ npx skills add Billionmail/BillionMail`	`$ npx skills add muety/wakapi`