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

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

Strongest overall

Harbor

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

Fastest prototype

Harbor

Best first install candidate based on install readiness and adoption.

Freshest repo

Kcl

Most recent maintenance signal among this shortlist.

Signal	Kcl KCL Programming Language Core and API (CNCF Sandbox Project). https://kcl-lang.io	Crossplane The Cloud Native Control Plane	Parseable Parseable is an observability datalake built from first principles.	Harbor An open source trusted cloud native registry project that stores, signs, and scans content.
Quality	100/100 Excellent	100/100 Excellent	100/100 Excellent	100/100 Excellent
Decision verdict	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.	100/100 Production-ready Use this as a leading candidate, then validate the README and install path in your own agent stack.
Adoption	2.4K stars Verified outcomes are shown on each skill page	12K stars Verified outcomes are shown on each skill page	2.4K stars Verified outcomes are shown on each skill page	29K stars Verified outcomes are shown on each skill page
Freshness	Jun 19, 2026	Jun 16, 2026	Jun 18, 2026	Jun 16, 2026
Use-case fit	Coding agents	Coding agents	Data analysis Marketing and growth Database and SQL	Research agents Content automation
Workflow fit	Coding review agent Content growth agent	Coding review agent Content growth agent	RAG knowledge base Content growth agent	Research report agent Content growth agent
Platform hints	Rust, Kubernetes, Claude Code	Go, Kubernetes, Claude Code	Rust, Kubernetes, Claude Code	Go, Kubernetes, 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	Coding agents workflows · Claude Code teams · teams that value GitHub adoption signals	Coding agents workflows · Claude Code teams · teams that value GitHub adoption signals	Data analysis workflows · Claude Code teams · teams that value GitHub adoption signals	Research 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 kcl-lang/kcl`	`$ npx skills add crossplane/crossplane`	`$ npx skills add parseablehq/parseable`	`$ npx skills add goharbor/harbor`