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
Espanso is the strongest overall pick here because it has a 100/100 readiness score and fits Workflow automation.
Strongest overall
Espanso
Use this as a leading candidate, then validate the README and install path in your own agent stack.
Fastest prototype
Espanso
Best first install candidate based on install readiness and adoption.
Freshest repo
Meru
Most recent maintenance signal among this shortlist.
| Signal | Postsack Visually cluster your emails by sender, domain, and more to identify waste | Espanso A Privacy-first, Cross-platform Text Expander written in Rust | Check If Email Exists Check if an email address exists without sending any email, written in Rust. Comes with a ⚙️ HTTP backend. | Meru :postbox: Gmail desktop app for macOS, Windows & Linux (formerly Gmail Desktop) |
|---|---|---|---|---|
| Quality | 54/100 Needs review | 100/100 Excellent | 96/100 Excellent | 100/100 Excellent |
| Decision verdict | 56/100 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 | 569 stars 0 installs | 14K stars 0 installs | 8.8K stars 0 installs | 1.0K stars 0 installs |
| Freshness | Aug 4, 2024 | Jun 14, 2026 | Mar 17, 2026 | Jun 15, 2026 |
| Use-case fit | ||||
| Stack fit | ||||
| Platform hints | Rust, Email, Claude Code | Rust, Productivity, Claude Code | Rust, Email, Claude Code | TypeScript, 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 · 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 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 terhechte/postsack | $ npx skills add espanso/espanso | $ npx skills add reacherhq/check-if-email-exists | $ npx skills add zoidsh/meru |