Star200+

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

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

Hardhat

Most recent maintenance signal among this shortlist.

SignalMerkletreejs

🌱 Construct Merkle Trees and verify proofs in JavaScript. By @miguelmota

Ethers.Js

Complete Ethereum library and wallet implementation in JavaScript.

Hardhat

Hardhat is a development environment to compile, deploy, test, and debug your Ethereum software.

Union

The trust-minimized, zero-knowledge bridging protocol, designed for censorship resistance, extremely high security, and usage in decentralized finance.

Quality
84/100
Strong
100/100
Excellent
100/100
Excellent
100/100
Excellent
Decision verdict
86/100
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.

Adoption1.2K stars
0 installs
8.7K stars
0 installs
8.5K stars
0 installs
74K stars
0 installs
FreshnessSep 15, 2025Jun 18, 2026Jun 29, 2026Jun 22, 2026
Use-case fit
Coding agentsRAG and knowledgeWorkflow automation
Coding agentsRAG and knowledgeWorkflow automation
Coding agentsWorkflow automationRAG and knowledge
RAG and knowledgeCoding agentsWorkflow automation
Workflow fit
Content growth agentCoding review agent
Content growth agentCoding review agent
Coding review agentContent growth agent
RAG knowledge baseContent growth agent
Platform hintsTypeScript, Blockchain, Claude CodeTypeScript, Blockchain, Claude CodeTypeScript, Blockchain, Claude CodeRust, Blockchain, Claude Code
WarningsNo OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yetNo OpenAgentSkill engagement data yet
Best forCoding agents workflows · Claude Code teams · teams that value GitHub adoption signalsCoding agents workflows · Claude Code teams · teams that value GitHub adoption signalsCoding agents workflows · Claude Code teams · teams that value GitHub adoption signalsRAG and knowledge workflows · Claude Code teams · teams that value GitHub adoption signals
Not ideal forteams that need a vendor-supported SLA · high-compliance environments without internal security reviewteams that need a vendor-supported SLA · high-compliance environments without internal security reviewteams that need a vendor-supported SLA · high-compliance environments without internal security reviewteams that need a vendor-supported SLA · high-compliance environments without internal security review
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Install
$ npx skills add merkletreejs/merkletreejs
$ npx skills add ethers-io/ethers.js
$ npx skills add NomicFoundation/hardhat
$ npx skills add unionlabs/union