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.
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
EmailValidator
Best first install candidate based on install readiness and adoption.
Freshest repo
Mailchecker
Most recent maintenance signal among this shortlist.
| Signal | Anonaddy Anonymous email forwarding | Mailchecker :mailbox: Cross-language temporary (disposable/throwaway) email detection library. Covers 55 734+ fake email providers. | EmailValidator PHP Email address validator | 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 |
|---|---|---|---|---|
| Quality | 100/100 Excellent | 100/100 Excellent | 83/100 Strong | 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. | 85/100 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 | 4.7K stars 0 installs | 1.9K stars 0 installs | 12K stars 0 installs | 11K stars 0 installs |
| Freshness | May 28, 2026 | Jun 16, 2026 | Mar 20, 2025 | May 26, 2026 |
| Use-case fit | ||||
| Stack fit | ||||
| Platform hints | PHP, Email, Claude Code | PHP, Email, Claude Code | PHP, Email, Claude Code | TypeScript, Email, Claude Code |
| Warnings | No OpenAgentSkill engagement data yet | No OpenAgentSkill engagement data yet | Repository looks stale · 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 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 require actively maintained dependencies · production agents without a repository 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 anonaddy/anonaddy | $ npx skills add FGRibreau/mailchecker | $ npx skills add egulias/EmailValidator | $ npx skills add Mail-0/Zero |