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

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

Union

Most recent maintenance signal among this shortlist.

Signal	Pba Book The materials used in the Polkadot Blockchain Academy	Anoma Reference implementation of Anoma	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.
Quality	55/100 Promising	100/100 Excellent	100/100 Excellent	100/100 Excellent
Decision verdict	45/100 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	122 stars Verified outcomes are shown on each skill page	34K stars Verified outcomes are shown on each skill page	22K stars