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.
Decision summary
D3 is the strongest overall pick here because it has a 100/100 readiness score and fits Data analysis.
Strongest overall
D3
Use this as a leading candidate, then validate the README and install path in your own agent stack.
Fastest prototype
D3
Best first install candidate based on install readiness and adoption.
Freshest repo
Plotly.Js
Most recent maintenance signal among this shortlist.
| Signal | Percival 📝 Web-based, reactive Datalog notebooks for data analysis and visualization | Echarts Apache ECharts is a powerful, interactive charting and data visualization library for browser | D3 Bring data to life with SVG, Canvas and HTML. :bar_chart::chart_with_upwards_trend::tada: | Plotly.Js Open-source JavaScript charting library behind Plotly and Dash |
|---|---|---|---|---|
| Quality | 54/100 Needs review | 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 | 635 stars 0 installs | 67K stars 0 installs | 113K stars 0 installs | 18K stars 0 installs |
| Freshness | Feb 16, 2023 | Jun 2, 2026 | May 28, 2026 | Jun 16, 2026 |
| Use-case fit | ||||
| Stack fit | ||||
| Platform hints | Rust, Data Visualization, Claude Code | TypeScript, Data Visualization, Claude Code, Browser agents | Shell, Data Visualization, Claude Code | JavaScript, Data Visualization, 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 | Data analysis workflows · Claude Code teams · teams that value GitHub adoption signals | Data analysis workflows · Claude Code teams · teams that value GitHub adoption signals | Data analysis workflows · Claude Code teams · teams that value GitHub adoption signals | Data analysis 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 ekzhang/percival | $ npx skills add apache/echarts | $ npx skills add d3/d3 | $ npx skills add plotly/plotly.js |