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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

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

Strongest overall

Zero

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

Fastest prototype

Zero

Best first install candidate based on install readiness and adoption.

Freshest repo

Eppie App

Most recent maintenance signal among this shortlist.

SignalEppie App

Eppie — open protocol encrypted p2p email

Zero

Experience email the way you want with Mail0 – the first open source email app that puts your privacy and safety first. Join the discord: https://mail0.link/discord

Tutanota

Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.

MailKit

A cross-platform .NET library for IMAP, POP3, and SMTP.

Quality
83/100
Strong
100/100
Excellent
100/100
Excellent
100/100
Excellent
Decision verdict
82/100
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.

Adoption388 stars
0 installs
11K stars
0 installs
7.7K stars
0 installs
6.8K stars
0 installs
FreshnessJun 19, 2026May 26, 2026Jun 16, 2026Jun 12, 2026
Use-case fit
Workflow automationCoding agentsRAG and knowledge
Workflow automationCoding agentsRAG and knowledge
Workflow automationCoding agentsRAG and knowledge
Workflow automationDocument processingCoding agents
Stack fit
Content growth agentCoding review agent
Content growth agentCoding review agent
Content growth agentCoding review agent
Content growth agentCoding review agent
Platform hintsC#, Email, Claude CodeTypeScript, Email, Claude CodeTypeScript, Email, Claude CodeC#, 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
OpenAgentSkill engagement0 views
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Install
$ npx skills add Eppie-io/Eppie-App
$ npx skills add Mail-0/Zero
$ npx skills add tutao/tutanota
$ npx skills add jstedfast/MailKit