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
Nylas Mail
Best first install candidate based on install readiness and adoption.
Freshest repo
Espanso
Most recent maintenance signal among this shortlist.
| Signal | MassCode This repository is outdated and no longer maintained. A new version of massCode is available! https://github.com/massCodeIO/massCode. A free and open source code snippets manager for developers. | Espanso A Privacy-first, Cross-platform Text Expander written in Rust | Nylas Mail :love_letter: An extensible desktop mail app built on the modern web. Forks welcome! | Freeter Freeter – a smarter way to work on your computer |
|---|---|---|---|---|
| Quality | 73/100 Strong | 100/100 Excellent | 86/100 Excellent | 100/100 Excellent |
| Decision verdict | 75/100 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. | 88/100 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 | 2.0K stars 0 installs | 14K stars 0 installs | 25K stars 0 installs | 1.0K stars 0 installs |
| Freshness | May 4, 2022 | Jun 14, 2026 | Nov 24, 2022 | May 27, 2026 |
| Use-case fit | ||||
| Stack fit | ||||
| Platform hints | Vue, Productivity, Claude Code | Rust, Productivity, Claude Code | JavaScript, Productivity, Claude Code | TypeScript, Productivity, Claude Code |
| Warnings | Repository looks stale · 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 | Coding agents 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 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 antonreshetov/massCode | $ npx skills add espanso/espanso | $ npx skills add nylas/nylas-mail | $ npx skills add FreeterApp/Freeter |