Skill comparison
Compare agent skills before installing.
Comparing 4 skills
Use this as a shortlist, then open the skill detail page before adopting.
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
WTF Solidity
Most recent maintenance signal among this shortlist.
| Signal | Solid Grinder A 100% opensource CLI that goes along with building blocks of smart contract. This toolbox can reduce L2 gas cost by encoding calldata for dApps development to use as little bytes of calldata as possible. | WTF Solidity WTF Solidity 极简入门教程，供小白们使用。Now supports English! 官网: https://wtf.academy | Union The trust-minimized, zero-knowledge bridging protocol, designed for censorship resistance, extremely high security, and usage in decentralized finance. | Ethereumbook Mastering Ethereum: 2nd Edition, by Andreas M. Antonopoulos, Gavin Wood, Carlo Parisi, Alessandro Mazza, Niccolò Pozzolini |
|---|---|---|---|---|
| Quality | 46/100 Needs review | 100/100 Excellent | 100/100 Excellent | 100/100 Excellent |
| Decision verdict | 36/100 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 | 100 stars 0 installs | 14K stars 0 installs | 74K stars 0 installs | 22K stars 0 installs |
| Freshness | Feb 8, 2025 | Jun 27, 2026 | Jun 22, 2026 | May 13, 2026 |
| Use-case fit | ||||
| Stack fit | ||||
| Platform hints | Solidity, Blockchain, Claude Code | Solidity, Blockchain, Claude Code | Rust, Blockchain, Claude Code | Blockchain, Claude Code |
| Warnings | Repository looks stale · 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 · builders willing to evaluate younger projects | 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 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 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 Ratimon/solid-grinder | $ npx skills add AmazingAng/WTF-Solidity | $ npx skills add unionlabs/union | $ npx skills add ethereumbook/ethereumbook |