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

Jsoncrack.Com is the strongest overall pick here because it has a 100/100 readiness score and fits Workflow automation.

Strongest overall

Jsoncrack.Com

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

Fastest prototype

Jsoncrack.Com

Best first install candidate based on install readiness and adoption.

Freshest repo

Spark

Most recent maintenance signal among this shortlist.

Signal	SimpleFlatMapper Fast and Easy mapping from database and csv to POJO. A java micro ORM, lightweight alternative to iBatis and Hibernate. Fast Csv Parser and Csv Mapper	Spark Apache Spark - A unified analytics engine for large-scale data processing	Jsoncrack.Com ✨ Innovative and open-source visualization application that transforms various data formats, such as JSON, YAML, XML and CSV into interactive graphs.	Flink Apache Flink
Quality	66/100 Promising	100/100 Excellent	100/100 Excellent	100/100 Excellent
Decision verdict	56/100 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	457 stars 0 installs	43K stars 0 installs	44K stars 0 installs	26K stars 0 installs
Freshness	Sep 21, 2025	Jun 20, 2026	Jun 15, 2026	Jun 20, 2026
Use-case fit	Workflow automation Document processing Coding agents	Coding agents RAG and knowledge Workflow automation	Workflow automation Coding agents RAG and knowledge	Coding agents RAG and knowledge Workflow automation
Stack fit	Content growth agent Coding review agent	Content growth agent Coding review agent	Content growth agent Coding review agent	Content growth agent Coding review agent
Platform hints	Java, CSV, Claude Code	Scala, SQL, Claude Code	TypeScript, CSV, Claude Code	Java, SQL, 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	Workflow automation workflows · Claude Code teams · builders willing to evaluate younger projects	Coding agents workflows · Claude Code teams · teams that value GitHub adoption signals	Workflow automation 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 arnaudroger/SimpleFlatMapper`	`$ npx skills add apache/spark`	`$ npx skills add AykutSarac/jsoncrack.com`	`$ npx skills add apache/flink`