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Agent skill

Data Visualization Guide

by revfactory in revfactory/harness-100

data visualization guide. An agent skill from revfactory/harness-100.

Apache-2.0Auto-check passedData & Analytics

Install Data Visualization Guide

skills CLI
$ npx skills add revfactory/harness-100 --skill data-visualization-guide -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install revfactory/harness-100 data-visualization-guide --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/revfactory/harness-100.git skills-src && mkdir -p .claude/skills && cp -r skills-src/en/82-report-generator/.claude/skills/data-visualization-guide .claude/skills/data-visualization-guide && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
data-visualization-guide
GitHub stars
1.3k
Token cost
~850 tokens
SKILL.md length
209 words
Files
1
Skills in repo
464
Repo updated
First seen
Licence
Apache-2.0

At a glance

data visualization guide. An agent skill from revfactory/harness-100.

  • Tasks that involve Data visualization
  • SKILL.md covers chart optional framework, Mermaid based chart peopletax…, visualization principle and design tablelevel, plus 2 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Data Visualization Guide is an agent skill from revfactory/harness-100. data visualization guide. visualizer agent chart·graph designto do when reference visualization principle and chart optional framework. 'chart optional', 'visualization guide' request when usage. However, actual BI tool work dashboard building scope outside.

Its SKILL.md is about 850 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Data & Analytics, covering Data visualization. The licence is Apache-2.0.

When your agent uses it

  • Tasks that involve Data visualization

Example prompts

  • “chart optional”
  • “visualization guide”
  • “/data-visualization-guide”

What it can do on your machine

Read from SKILL.md and the folder at commit 8e8d35c. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are mermaid).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Data Visualization Guide loads about 850 tokens when it runs. Until then it costs about 71 tokens; SKILL.md has 209 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~71
When it runs · the whole SKILL.md, loaded when a task matches
~850

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from revfactory/harness-100 at commit 8e8d35c, republished under its Apache-2.0 licence (© revfactory). 209 words, ~850 tokens.

Download SKILL.mdSave it as .claude/skills/data-visualization-guide/SKILL.md (or your agent's skills folder).
name
data-visualization-guide
description
data visualization guide. visualizer agent chart·graph designto do when reference visualization principle and chart optional framework. 'chart optional', 'visualization guide' request when usage. However, actual BI tool work dashboard building scope outside.

Data Visualization Guide — data visualization guide

visualizer agent chart design quality visualization principle and pattern.

chart optional framework

data purposeby chart mapping
purposerecommendation chartdata condition
comparison (item between)versuschart,week 2~15items
comparison (whentotal), charttime required
composition/ratio, quality versus,total=100%
minute, , point alsoannualwithin figure
totalpoint, chart,number 2~3items
flow/process,stageby figure
degree,position data
chart optional decision-making
Q1: data number itemsperson?
├── 1items → minute confirm? → /
├── 2items → time ? → /
│ week? → versuschart
│ annualwithin? → point
└── 3items+ → chart//pyeongtable

Mermaid based chart peopletax pattern

versuschart (Bar Chart)
mermaid
xychart-beta
 title "monthby sales "
 x-axis ["1month", "2month", "3month", "4month", "5month", "6month"]
 y-axis "sales(00M KRW)" 0 --> 50
 bar [15, 22, 28, 35, 30, 45]
/ chart peopletax template
mermaid
pie title departmentfromby budget allocation
 "development" : 40
 "" : 25
 "operations" : 20
 "personcompany" : 15

visualization principle

Edward Tufte principle applied
principledescriptionapplied method
data- rationeededKorean decoration3D effect, background pattern prohibited
work numberchart conditionbydepartmentfromby/durationby minute
elementwork prohibitedY mustwhen 0 whenwork (versuschart)
data alsobetween versus information versusminimization, integration
usage rule
alsorule
order datatotal basis (example: annualKorean →Korean )
week datafrom minute versus 7items
core data only , degree
/department=, =department (documentquality )
natureeachor morespecialist , pattern/

design tablelevel

comparison
itemQ1Q2Q3Q4YoY
sales120135142155+15.2%
profit18222528+22.1%

rule:

  • figure ,
  • (increase=record, decrease=)
  • 1,000
  • 1 specify

report typeby visualization

monthbetween performance report
required chart tax:
1. sales — (goal vs results, beforeyear basis)
2. departmentdocumentby sales — quality versus
3. KPI naturerate — chart or degree
4. cost structure — chart
5. core indicator — scorecard (specialist + beforemonth )
marketanalysis report
required chart tax:
1. market scale — chart (CAGR tablewhen)
2. competitor point — quality or 
3. price comparison — numberpyeong versus (competitorby)
4. SWOT — 2x2 matrix 
5. positioning — point also (2: price vs quality)

quality checklist

itemstandard
titleall chart un- title
included
sourcedata source specify
3items or more when when required
figurecore data point directly tablewhen
natureperson when also minute possible

© revfactory, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in en/82-report-generator/.claude/skills/data-visualization-guide of revfactory/harness-100.

Open the folder on GitHubat commit 8e8d35c

Compare with similar skills

Data Visualization Guide next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Data Visualization Guide compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Data Visualization Guide this skillrevfactory/harness-1001.3k—~850Automated safety check: PassApache-2.0
MatplotlibzLanqing/codex-claude-academic-skills4.6k17 repos~2.9kAutomated safety check: PassMIT
Chart Visualizationbytedance/deer-flow83k2 repos~840Automated safety check: PassMIT
Scientific Visualizationmims-harvard/OptimusKG14619 repos~6.3kAutomated safety check: PassMIT
SeabornzLanqing/codex-claude-academic-skills4.6k16 repos~4.9kAutomated safety check: PassBSD-3-Clause
Plot From DataTrae1ounG/paper-plot-skills8611 repos~583Automated safety check: PassNone

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Categories

Questions about Data Visualization Guide

What does Data Visualization Guide do?

data visualization guide. An agent skill from revfactory/harness-100. Data Visualization Guide is an agent skill from revfactory/harness-100. data visualization guide.

When should I use Data Visualization Guide?

Data Visualization Guide fits situations like: tasks that involve Data visualization.

How do I install Data Visualization Guide in Claude Code?

Run `npx skills add revfactory/harness-100 --skill data-visualization-guide -a claude-code`. Or copy the skill folder (en/82-report-generator/.claude/skills/data-visualization-guide in revfactory/harness-100) into .claude/skills/data-visualization-guide in your project. Claude Code loads it when a task matches its description.

How do I install Data Visualization Guide in Codex?

Run `npx skills add revfactory/harness-100 --skill data-visualization-guide -a codex`. Or copy the skill folder (en/82-report-generator/.claude/skills/data-visualization-guide in revfactory/harness-100) into .agents/skills/data-visualization-guide in your project. Codex loads it when a task matches its description.

Can I use Data Visualization Guide in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add revfactory/harness-100 --skill data-visualization-guide -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/data-visualization-guide, .gemini/skills/data-visualization-guide, .github/skills/data-visualization-guide and .opencode/skills/data-visualization-guide in your project.

What does Data Visualization Guide need to run?

SKILL.md names no scripts, command-line tools or credentials: Data Visualization Guide is instructions for the agent only.

Does Data Visualization Guide access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Data Visualization Guide safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Data Visualization Guide use?

Data Visualization Guide is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Data Visualization Guide use?

About 850 tokens (SKILL.md is roughly 3.4k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Data Visualization Guide?

Skills that share tags, products or a category with Data Visualization Guide: Matplotlib (zLanqing/codex-claude-academic-skills, 4.6k stars), Chart Visualization (bytedance/deer-flow, 83k stars), Scientific Visualization (mims-harvard/OptimusKG, 146 stars) and Seaborn (zLanqing/codex-claude-academic-skills, 4.6k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Data Visualization Guide?

revfactory (a GitHub user) maintains it in revfactory/harness-100, which has 1,290 GitHub stars. The repository holds 464 skills in this directory. The repository was last updated on March 22, 2026.

Source: revfactory/harness-100 on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.