chart-visualization

chart-visualization is a skill for Claude Code, Codex from ZJU-REAL/Easel. It costs 107 tokens per session (1,846 once invoked), scanned A, original, Apache-2.0.

A chart-making tool that turns data into a single static chart image, such as a bar, line, pie, scatter, radar, flow, or mind-map chart.

In plain words
What is it for?
Use it to visualize trends, category comparisons, proportions, relationships, processes, hierarchies, or other structured data.
Why use it?
It helps choose a chart type that matches the data and returns a ready-to-use image link. It is intended for one chart, not a complete report page.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to visualize trends, category comparisons, proportions, relationships, processes, hierarchies, or other structured data.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/zju-real/easel/chart-visualization
About the project

Easel is an open-source content workspace and AI agent for managing social media from trend discovery through planning, content creation, publishing, and performance analysis. It is intended for social media creators and maintains separate account profiles, content projects, platform adaptations, and publishing records. The catalogue skills support these content and publishing workflows.

ZJU-REAL/Easel · 3,918 stars · on GitHub · zju-real.github.io

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.

Any agent
npx skills add ZJU-REAL/Easel --skill chart-visualization
Clone the repo
git clone --depth 1 https://github.com/ZJU-REAL/Easel

Made for: Claude Code, Codex.

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-visualization

README.md
[![agentmods](https://agentmods.dev/badge/skills/zju-real/easel/chart-visualization/github.svg)](https://agentmods.dev/skills/zju-real/easel/chart-visualization)
Your own site
<a href="https://agentmods.dev/skills/zju-real/easel/chart-visualization"><img src="https://agentmods.dev/badge/skills/zju-real/easel/chart-visualization/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for chart-visualization

Your own site · 80×15
<a href="https://agentmods.dev/skills/zju-real/easel/chart-visualization"><img src="https://agentmods.dev/badge/skills/zju-real/easel/chart-visualization.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 107 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,846 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
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 $0.00107 $0.01846
Opus 5.5 $0.00043 $0.00738
Sonnet 5.5 $0.00021 $0.00369
Haiku 4.5 $0.00011 $0.00185

Measured 1mo ago against content hash 24f7e38128ee, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

chart-visualization scanned grade A with 1 finding 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 1mo 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

description: "将数据可视化为图表。当用户需要生成柱状图、折线图、饼图、散点图、雷达图、桑基图、思维导图、流程图等图表时调用此技能,通过 curl 工具调用 AntV API 生成图表图片。产出静态图片 URL(25+ 类型);要本地渲染的信息图/GIF 动画图表用 infographic,要 CSV/JSON→整页报告用 data-report"
Origin

Copies of this mod

1 near-identical copy found in the catalogue:

skills/builtin/chart-visualization/SKILL.md · 113 lines

How it starts

The opening of the file, as written. The whole thing — 113 lines — stays where its author put it; the contents beside it link to each section on GitHub.

请根据用户输入的内容,将数据可视化为图表。

与其他图表 SKILL 的区别

三者都能"生成图表",但机制与产物不同,按需求路由:

  • chart-visualization(本 SKILL) = 调 AntV 远程 API(gpt-vis),产出静态图片 URL,25+ 图表类型,最快拿到单张图。要单张标准统计图、直接拿到图片链接时用它。
  • infographic = 本地 JS 渲染,产出信息图 / GIF 动画图表(列表/流程/对比/层级模板 + 逐帧动画)。要可导出 SVG 的结构化信息图、或带入场动画的 GIF/MP4 时用它。
  • data-report = 输入 CSV/Excel/JSON,产出整页可视化报告(KPI 卡 + 多图 + 数据洞察 + 表格)。要一份完整报告页而非单图时用它。

步骤

  1. 分析用户数据和需求,选择最合适的图表类型
  2. 构造符合规范的 JSON 请求体
  3. 使用 curl 工具调用 API 生成图表图片
  4. 将返回的图片 URL 以 Markdown 图片格式输出

图表选择指南

根据用户的数据特征和需求,选择最合适的图表类型:

  • 时间序列:用 line(趋势)或 area(累计趋势);两个不同量纲用 dual-axes
  • 比较类:用 bar(横向分类对比)或 column(纵向分类对比);频率分布用 histogram
  • 占比类:用 pie(比例构成)或 treemap(层级占比)
  • 关系与流程:用 scatter(相关性)、sankey(流向)或 venn(集合重叠)
  • 层级与树形:用 organization-chart 或 mind-map
  • 专用类型:
    • radar:多维度对比
    • funnel:流程阶段转化
    • liquid:百分比/进度
    • word-cloud:文本词频
    • boxplot / violin:统计分布
    • network-graph:复杂节点关系
    • fishbone-diagram:因果分析
    • flow-diagram:流程图
    • spreadsheet:结构化数据表或透视表

API 接口

POST https://antv-studio.alipay.com/api/gpt-vis

该端点为 AntV/支付宝官方 gpt-vis 公共免费托管服务,无需 key;公共服务可能限流或调整,返回失败时重试或退回本地渲染(infographic 模式 A)。

请求体为 JSON,必须包含 type 和 source: "chart-visualization-skills" 字段。

示例:

curl -X POST https://antv-studio.alipay.com/api/gpt-vis \
  -H "Content-Type: application/json" \
  -d '{"type":"line","source":"chart-visualization-skills","data":[{"time":"2025-01","value":100}],"title":"示例图表"}'

返回示例:

{"success":true,"resultObj":"https://..."}

将 resultObj 中的 URL 以 Markdown 图片格式输出:![图表](URL)

支持的图表类型

分类 图表类型
比较类 条形图(bar)、柱状图(column)、瀑布图(waterfall)、双轴图(dual-axes)
趋势类 面积图(area)、折线图(line)、散点图(scatter)
分布类 箱线图(boxplot)、直方图(histogram)、小提琴图(violin)、漏斗图(funnel)
占比类 饼图(pie)、水波图(liquid)、词云(word-cloud)
层级类 组织架构图(organization-chart)、思维导图(mind-map)、矩形树图(treemap)、桑基图(sankey)
关系类 关系图(network-graph)、韦恩图(venn)
流程类 流程图(flow-diagram)、鱼骨图(fishbone-diagram)
多维类 雷达图(radar)
表格类 表格/透视表(spreadsheet)

Read the full file on GitHub · 113 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 1mo ago First seen · 113 lines · 107 tokens per session scan A 24f7e38128ee

Subscribe to this mod's changes

chart-visualization is a skill published in the GitHub repository ZJU-REAL/Easel (3,918 stars, last pushed yesterday), licensed Apache-2.0. It adds 107 tokens to every session and 1,846 once invoked, about $0.0004 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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