chart-selection

chart-selection is a skill for Claude Code from Dragoon0x/everything-design-taste. It costs 20 tokens per session (332 once invoked), scanned A, original, MIT.

A guide to matching chart types to the kind of information being shown, such as change over time, comparison, distribution, or correlation.

In plain words
What is it for?
Use it to choose charts, label axes and legends, annotate important points, and avoid common presentation mistakes.
Why use it?
It helps prevent charts from misleading or confusing readers through unsuitable formats, clutter, distorted scales, or missing context.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the edt plugin — 117 skills, 80 agents shipped together

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/dragoon0x/everything-design-taste/chart-selection
Any agent
npx skills add Dragoon0x/everything-design-taste --skill chart-selection
Clone the repo
git clone --depth 1 https://github.com/Dragoon0x/everything-design-taste

Made for: Claude Code.

Or install edt, the plugin that ships this one along with the rest of its 117 skills, 80 agents.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for chart-selection

README.md
[![agentmods](https://agentmods.dev/badge/skills/dragoon0x/everything-design-taste/chart-selection.svg)](https://agentmods.dev/skills/dragoon0x/everything-design-taste/chart-selection)
Your own site
<a href="https://agentmods.dev/skills/dragoon0x/everything-design-taste/chart-selection"><img src="https://agentmods.dev/badge/skills/dragoon0x/everything-design-taste/chart-selection.svg" alt="Measured on agentmods" height="20"></a>
Per session 20 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 332 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00020 $0.00332
Opus 5 $0.00010 $0.00166
Sonnet 5 $0.00004 $0.00066
Haiku 4.5 $0.00002 $0.00033

Measured 2d ago against content hash 821c53273cb0, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

chart-selection scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/chart-selection/SKILL.md · 36 lines

What it actually says

Chart Selection

Choosing the Right Chart

Data Relationship Best Chart
Change over time Line chart, area chart
Comparison Bar chart (horizontal for many categories)
Part of whole Pie/donut (max 5 slices), stacked bar
Distribution Histogram, box plot
Correlation Scatter plot
Geographic Map (choropleth, point map)
Flow/process Sankey diagram, funnel
Hierarchy Treemap, sunburst

Chart Anatomy

  • Title: States the insight, not the data ('Revenue grew 40% in Q3' not 'Revenue Q1-Q4')
  • Axes: Labeled with units, starting at zero for bars (not for lines)
  • Legend: Only when multiple series, positioned near the data
  • Gridlines: Minimal, light gray, horizontal only
  • Annotations: Call out key points directly on the chart

Common Mistakes

  1. Pie charts with more than 5 slices (unreadable)
  2. 3D charts (distort perception)
  3. Dual Y-axes (confusing, usually misleading)
  4. Truncated Y-axis on bar charts (exaggerates differences)
  5. Too many colors (use one hue with variations for most charts)
  6. Missing context (what's the benchmark? trend? target?)
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 36 lines · 20 tokens per session scan A 821c53273cb0

Subscribe to this mod's changes

chart-selection is a skill published in the GitHub repository Dragoon0x/everything-design-taste (11 stars, last pushed 4mo ago), licensed MIT. It adds 20 tokens to every session and 332 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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