Skill comparison
Use this as a shortlist, then open the skill detail page before adopting.
Decision summary
Strongest overall
Mailinabox
Use this as a leading candidate, then validate the README and install path in your own agent stack.
Fastest prototype
Mailinabox
Best first install candidate based on install readiness and adoption.
Freshest repo
Planify
Most recent maintenance signal among this shortlist.
| Signal | Calcure Modern TUI calendar and task manager with minimal and customizable UI. | Mailinabox Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box. | React Calendar Ultimate calendar for your React app. | Planify Task manager with Todoist, Nextcloud & CalDAV support designed for GNOME |
|---|---|---|---|---|
| Quality | 99/100 Excellent | 100/100 Excellent | 100/100 Excellent | 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. | 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 | 2.3K stars Verified outcomes are shown on each skill page | 15K stars Verified outcomes are shown on each skill page | 3.8K stars |
| 5.6K stars Verified outcomes are shown on each skill page |
| Freshness | Jun 17, 2026 | May 24, 2026 | Jul 27, 2026 | Aug 14, 2026 |
| Use-case fit |
| Workflow fit |
| Platform hints | Python, Calendar, Claude Code | Python, Email, Claude Code | TypeScript, Calendar, Claude Code | Vala, Productivity, Claude Code |
| Warnings | 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 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 | 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 anufrievroman/calcure | $ npx skills add mail-in-a-box/mailinabox | $ npx skills add wojtekmaj/react-calendar | $ npx skills add alainm23/planify |