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.

Add more skills

Decision summary

Union is the strongest overall pick here because it has a 100/100 readiness score and fits RAG and knowledge.

Strongest overall

Union

Use this as a leading candidate, then validate the README and install path in your own agent stack.

Fastest prototype

Union

Best first install candidate based on install readiness and adoption.

Freshest repo

Foundry

Most recent maintenance signal among this shortlist.

Signal	Foundry Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.	Ethereumbook Mastering Ethereum: 2nd Edition, by Andreas M. Antonopoulos, Gavin Wood, Carlo Parisi, Alessandro Mazza, Niccolò Pozzolini	Union The trust-minimized, zero-knowledge bridging protocol, designed for censorship resistance, extremely high security, and usage in decentralized finance.	WTF Solidity WTF Solidity 极简入门教程，供小白们使用。Now supports English! 官网: https://wtf.academy
Quality	100/100 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	10K stars 0 installs	22K stars 0 installs	74K stars 0 installs	14K stars 0 installs
Freshness	Jun 29, 2026	May 13, 2026	Jun 22, 2026	Jun 27, 2026
Use-case fit	Coding agents RAG and knowledge Workflow automation	Coding agents RAG and knowledge Workflow automation	RAG and knowledge Coding agents Workflow automation	Coding agents RAG and knowledge Workflow automation
Stack fit	Coding review agent Content growth agent	Content growth agent Coding review agent	RAG knowledge base Content growth agent	Content growth agent Coding review agent
Platform hints	Rust, Blockchain, Claude Code	Blockchain, Claude Code	Rust, Blockchain, Claude Code	Solidity, Blockchain, 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	Coding agents workflows · Claude Code teams · teams that value GitHub adoption signals	Coding agents workflows · Claude Code teams · teams that value GitHub adoption signals	RAG and knowledge workflows · Claude Code teams · teams that value GitHub adoption signals	Coding agents 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 foundry-rs/foundry`	`$ npx skills add ethereumbook/ethereumbook`	`$ npx skills add unionlabs/union`	`$ npx skills add AmazingAng/WTF-Solidity`