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.

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Decision summary

Mailspring is the strongest overall pick here because it has a 100/100 readiness score and fits Workflow automation.

Strongest overall

Mailspring

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

Mailspring

Most recent maintenance signal among this shortlist.

Signal	Waveboxapp Wavebox, the revolutionary and feature-rich Chromium browser that's built for productive working across Google Workspaces, Microsoft Teams, ClickUp, Monday, Atlassian, Asana, AirTable, Slack, and every other web app you use to get work done.	Meru :postbox: Gmail desktop app for macOS, Windows & Linux (formerly Gmail Desktop)	Mailspring :love_letter: A beautiful, fast and fully open source mail client for Mac, Windows and Linux.	Nylas Mail :love_letter: An extensible desktop mail app built on the modern web. Forks welcome!
Quality	98/100 Excellent	100/100 Excellent	100/100 Excellent	86/100 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.	88/100 Production-ready Use this as a leading candidate, then validate the README and install path in your own agent stack.
Adoption	1.4K stars 0 installs	1.0K stars 0 installs	18K stars 0 installs	25K stars 0 installs
Freshness	Jun 15, 2026	Jun 15, 2026	Jun 15, 2026	Nov 24, 2022
Use-case fit	Browser automation Workflow automation Sports analytics	Workflow automation Local desktop Coding agents	Workflow automation Coding agents RAG and knowledge	Workflow automation Local desktop Coding agents
Stack fit	Browser QA agent Content growth agent	Content growth agent Coding review agent	Content growth agent Coding review agent	Content growth agent Coding review agent
Platform hints	JavaScript, Email, Claude Code, Browser agents	TypeScript, Email, Claude Code	JavaScript, Email, Claude Code	JavaScript, Productivity, Claude Code
Warnings	No OpenAgentSkill engagement data yet	No OpenAgentSkill engagement data yet	No OpenAgentSkill engagement data yet	Repository looks stale · No OpenAgentSkill engagement data yet
Best for	Browser 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 require actively maintained dependencies · production agents without a repository 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 wavebox/waveboxapp`	`$ npx skills add zoidsh/meru`	`$ npx skills add Foundry376/Mailspring`	`$ npx skills add nylas/nylas-mail`