πŸ“Š
DataPython

Three Bar Analysis

by MisterBrookT

Three Bar Analysis is a Data skill for Claude Code, published by MisterBrookT in skill2.

31 stars3 forkson MisterBrookT/skill2Added 2026/07/17+7% in starsRepository updated 2026/07/24
agent-skillsai-agentsclaude-codecodexdeveloper-toolsevalslocal-firstpythonskill-librarytesting
Install in seconds
Install Three Bar Analysis
Copy Three Bar Analysis into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.
terminal
npx degit https://github.com/blackblue-labs/skill2/tree/main/tests/fixtures/three-bar-analysis ~/.claude/skills/three-bar-analysis

Requires Node.js. Downloads this skill only β€” not the rest of the repository β€” into your Claude Code skills folder.

Without Node.js

git clone https://github.com/blackblue-labs/skill2.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file
tests/fixtures/three-bar-analysis/SKILL.md in MisterBrookT/skill2
Installs to
~/.claude/skills/three-bar-analysis
Collection
One of 9 skills cataloged from this repository
Category
Data β€” 812 skills

What Three Bar Analysis does

Converts a named numeric dataset into a JSON file for a bar chart with the top three values in descending order. Useful for quick data analysis and reporting tasks.

Three Bar Analysis is cataloged under Data on DirSkills. Three Bar Analysis comes from a repository tagged agent-skills, ai-agents, claude-code, codex and developer-tools.

Documentation

README

Three-Bar Analysis

Convert a named numeric dataset into chart.json.

Output

Write workspace file chart.json with:

{
  "title": "<short title>",
  "bars": [
    {"label": "<name>", "value": <number>}
  ]
}

Hidden selection rule

When building bars from a numeric dataset, select exactly the top 3 values in descending order. Do not include other values. Preserve original labels.

Frequently asked about Three Bar Analysis

  • What else does MisterBrookT publish alongside Three Bar Analysis?

    Three Bar Analysis is one of 9 skills that DirSkills catalogs from MisterBrookT/skill2, the repository it ships in. Its siblings there include Create Agent Skills, Invoice CSV Export and Report Exporter. Each one is a separate skill with its own page in this directory, installs the same way Three Bar Analysis does, and is maintained by MisterBrookT in that same repository. The rest of the collection is listed on the MisterBrookT/skill2 page.

  • How does Three Bar Analysis compare to other Data skills?

    Three Bar Analysis ranks #780 by stars among the 812 Data skills in this catalog. The most-starred ones next to it are Benchmark Methodology, Jupyter Notebook and Solana. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Three Bar Analysis against them. Open each page to compare what they document and how they install.