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

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

Strongest overall

Nodemailer

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

Fastest prototype

Nodemailer

Best first install candidate based on install readiness and adoption.

Freshest repo

Nodemailer

Most recent maintenance signal among this shortlist.

Signal	Email Dashboard 📪 An interactive emailing management service with scheduling, templating, tracking and A/B testing.	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	Nodemailer ✉️ Send e-mails with Node.JS – easy as cake!	Mailu Insular email distribution - mail server as Docker images
Quality	51/100 Needs review	100/100 Excellent	100/100 Excellent	100/100 Excellent
Decision verdict	41/100 Needs manual review Do a manual repository review before adding this to an agent workflow.	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	275 stars 0 installs	15K stars 0 installs	18K stars 0 installs	7.3K stars 0 installs
Freshness	Jan 19, 2023	Jun 11, 2026	Jun 15, 2026	May 31, 2026
Use-case fit	Workflow automation Coding agents Sports analytics	Workflow automation Research agents Marketing and growth	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 Research report agent	Content growth agent Coding review agent	Content growth agent Coding review agent
Platform hints	Ruby, Email, Claude Code	Go, Email, Claude Code	JavaScript, 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 · 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 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 Email-Dashboard/Email-Dashboard`	`$ npx skills add Billionmail/BillionMail`	`$ npx skills add nodemailer/nodemailer`	`$ npx skills add Mailu/Mailu`