Skill comparison
Use this as a shortlist, then open the skill detail page before adopting.
Decision summary
Strongest overall
Check If Email Exists
Use this as a leading candidate, then validate the README and install path in your own agent stack.
Fastest prototype
Check If Email Exists
Best first install candidate based on install readiness and adoption.
Freshest repo
Check If Email Exists
Most recent maintenance signal among this shortlist.
| Signal | Check If Email Exists Check if an email address exists without sending any email, written in Rust. Comes with a ⚙️ HTTP backend. |
|---|---|
| Quality | 96/100 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. |
| Adoption | 8.8K stars 0 installs |
| Freshness | Mar 17, 2026 |
| Use-case fit | |
| Workflow fit | |
| Platform hints | Rust, Email, Claude Code |
| Warnings | No OpenAgentSkill engagement data yet |
| Best for |
| 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 |
| OpenAgentSkill engagement | 0 views 0 install copies |
| Install | $ npx skills add reacherhq/check-if-email-exists |