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skill CX Codex GP ChatGPT official · OpenAI

visualize-data — Codex skill: what it does, how to install

This skill designs, revises, and checks quantitative charts. Use it when an analytical answer needs a clear, defensible visual.

Install into Codex · Skills CLI (Vercel) All methods and platforms ↓ 
npx skills add openai/plugins --skill visualize-data -a codex
Open on GitHub

What visualize-data does

visualize-data helps choose a chart for the analytical question, define the takeaway, and check whether the visual supports that takeaway. It covers charts used in reports, dashboards, notebooks, slides, widgets, and HTML artifacts.

The skill includes guidance for line, bar, scatter, histogram, boxPlot, heatmap, waterfall, funnel, stackedArea, and other chart families. Before implementation, it calls for a chart contract covering the question, takeaway, data sufficiency, palette, output surface, and fallback. Work Mode inline delivery follows native rendering rules; HTML visuals use native charts in artifact.json.

Install it when Codex or ChatGPT regularly needs to create or review analytical graphics. For a one-off basic plot with no visual QA, the extra workflow may be more than you need.

What it helps with

  • choose a chart for a data relationship
  • check whether a visual supports its conclusion
  • revise a chart that is hard to interpret
  • prepare a visual for a report, dashboard, or HTML artifact
  • test whether the data is sufficient for a chart type

Example prompts for the agent

  • Build a trend chart from `sales.csv` and explain the chart choice.
  • Review this `scatter` chart for hidden patterns or misleading presentation.
  • Prepare a visual for an HTML report and write its chart contract.

How to install visualize-data

1Skills CLI (Vercel)

npx skills add openai/plugins --skill visualize-data -a codex

2Manually: put the files in place

.agents/skills/visualize-data/SKILL.md

For all projects use ~/.agents/skills/

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Questions about visualize-data

How do I install visualize-data in Codex?

Run npx skills add openai/plugins --skill visualize-data. The skill file is placed at .agents/skills/visualize-data/SKILL.md.

What does visualize-data do?

It selects a quantitative chart for the analytical question, helps define the takeaway, and checks whether the visual is readable and analytically sound.

Which chart types does visualize-data cover?

Its guidance covers line, bar, pie, scatter, histogram, boxPlot, heatmap, waterfall, funnel, stackedArea, and leaderboard. The choice depends on the data relationship and visual task.

See also

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