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

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

Strongest overall

Novu

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

Fastest prototype

Novu

Best first install candidate based on install readiness and adoption.

Freshest repo

Novu

Most recent maintenance signal among this shortlist.

SignalOmnimail

Send email across all platforms using one interface

PHPMailer

The classic email sending library for PHP

Nodemailer

✉️ Send e-mails with Node.JS – easy as cake!

Novu

The open-source communication infrastructure for agents and products

Quality
64/100
Promising
100/100
Excellent
100/100
Excellent
100/100
Excellent
Decision verdict
54/100
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.

Adoption330 stars
0 installs
22K stars
0 installs
18K stars
0 installs
39K stars
0 installs
FreshnessSep 25, 2025Jun 6, 2026Jun 15, 2026Jun 16, 2026
Use-case fit
Stack fit
Platform hintsPHP, Email, Claude CodePHP, Email, Claude CodeJavaScript, Email, Claude CodeTypeScript, Email, Claude Code
WarningsNo OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yet
Best forWorkflow automation workflows · Claude Code teams · builders willing to evaluate younger projectsWorkflow automation workflows · Claude Code teams · teams that value GitHub adoption signalsWorkflow automation workflows · Claude Code teams · teams that value GitHub adoption signalsWorkflow automation workflows · Claude Code teams · teams that value GitHub adoption signals
Not ideal forteams that need a vendor-supported SLA · high-compliance environments without internal security reviewteams that need a vendor-supported SLA · high-compliance environments without internal security reviewteams that need a vendor-supported SLA · high-compliance environments without internal security reviewteams that need a vendor-supported SLA · high-compliance environments without internal security review
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Install
$ npx skills add omnimail/omnimail
$ npx skills add PHPMailer/PHPMailer
$ npx skills add nodemailer/nodemailer
$ npx skills add novuhq/novu