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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

NullAway is the strongest overall pick here because it has a 100/100 readiness score and fits Coding agents.

Strongest overall

NullAway

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

Fastest prototype

NullAway

Best first install candidate based on install readiness and adoption.

Freshest repo

NullAway

Most recent maintenance signal among this shortlist.

SignalWALA

T.J. Watson Libraries for Analysis, with front ends for Java, Android, and JavaScript, and many common static program analyses.

SootUp

A new version of Soot with a completely overhauled architecture

NullAway

A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead

Tai E

An easy-to-learn/use static analysis framework for Java and Android

Quality
87/100
Excellent
86/100
Excellent
100/100
Excellent
100/100
Excellent
Decision verdict
99/100
Production-ready

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

98/100
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.

Adoption857 stars
0 installs
795 stars
0 installs
4.1K stars
0 installs
1.8K stars
0 installs
FreshnessJun 14, 2026Jun 12, 2026Jun 15, 2026Jun 9, 2026
Use-case fit
Coding agentsGitHub automationRAG and knowledge
Coding agentsRAG and knowledgeWorkflow automation
Coding agentsBrowser automationSports analytics
Coding agentsSports analyticsGitHub automation
Stack fit
Coding review agentContent growth agent
Coding review agentContent growth agent
Coding review agentBrowser QA agent
Coding review agentContent growth agent
Platform hintsJava, Static Analysis, Claude CodeJava, Static Analysis, Claude CodeJava, Static Analysis, Claude CodeJava, Static Analysis, Claude Code
WarningsNo major risk signals from current metadataNo major risk signals from current metadataNo OpenAgentSkill engagement data yetNo major risk signals from current metadata
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 signalsCoding agents 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
OpenAgentSkill engagement1 views
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Install
$ npx skills add wala/WALA
$ npx skills add soot-oss/SootUp
$ npx skills add uber/NullAway
$ npx skills add pascal-lab/Tai-e