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Agent skill

Chart

by mohitagw15856 in mohitagw15856/pm-claude-skills

Turn numbers into a chart — bar, line, area, pie, or doughnut.

MITAuto-check passed

Install Chart

skills CLI
$ npx skills add mohitagw15856/pm-claude-skills --skill chart -a claude-code

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

GitHub CLI
$ gh skill install mohitagw15856/pm-claude-skills chart --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/mohitagw15856/pm-claude-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/chart .claude/skills/chart && 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
chart
GitHub stars
1.4k
Token cost
~893 tokens
SKILL.md length
435 words
Files
1
Skills in repo
1,322
Repo updated
First seen
Licence
MIT

At a glance

Turn numbers into a chart — bar, line, area, pie, or doughnut.

  • Visualize metrics/trends/breakdowns
  • SKILL.md covers Required Inputs, Output Format, Chart Spec Rules (so it renders) and Quality Checks, plus 3 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
  • Show numbers as a picture instead of a table

What it does

Chart is an agent skill from mohitagw15856/pm-claude-skills. Turn numbers into a chart — bar, line, area, pie, or doughnut. Use when asked to chart or graph data, visualize metrics/trends/breakdowns, or show numbers as a picture instead of a table. Produces a ready-to-render chart spec (renders live in the playground and exports as PNG) plus a one-line read of what the chart shows.

Its SKILL.md is about 890 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

The repository describes itself as: 1255 professional Agent Skills for Claude, ChatGPT, Gemini, Cursor & Codex — PRDs, postmortems, leases, medical bills, layoffs, go-bags, new countries. Plain markdown, MIT, in… The licence is MIT.

When your agent uses it

  • Visualize metrics/trends/breakdowns
  • Show numbers as a picture instead of a table

Example prompts

  • “/chart”

What it can do on your machine

Read from SKILL.md and the folder at commit 1cbf1f0. 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 chart).

    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

Chart loads about 893 tokens when it runs. Until then it costs about 82 tokens; SKILL.md has 435 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~82
When it runs · the whole SKILL.md, loaded when a task matches
~893

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 mohitagw15856/pm-claude-skills at commit 1cbf1f0, republished under its MIT licence (© mohitagw15856). 435 words, ~893 tokens.

Download SKILL.mdSave it as .claude/skills/chart/SKILL.md (or your agent's skills folder).
name
chart
description
Turn numbers into a chart — bar, line, area, pie, or doughnut. Use when asked to chart or graph data, visualize metrics/trends/breakdowns, or show numbers as a picture instead of a table. Produces a ready-to-render chart spec (renders live in the playground and exports as PNG) plus a one-line read of what the chart shows.

Chart Skill

A table of numbers hides the story; a chart shows it. This skill turns data into a clean, correctly-typed chart — a trend as a line, a comparison as bars, a composition as a pie/doughnut — emitted as a small JSON spec inside a ```chart block that renders live in the playground (and exports as PNG).

Required Inputs

Ask for these only if they aren't already provided:

  • The data — the numbers, with their labels/categories (paste a table, list, or metrics).
  • What you want to show — a trend over time, a comparison between things, or parts of a whole. This decides the chart type.
  • Series — one metric or several (e.g. revenue and churn over the same months).
  • Title (optional) — what the chart is about.

If the data implies the wrong chart type for the goal, pick the right type and say why.

Output Format

[What the chart shows]

A one-line read — the takeaway the chart makes obvious.

chart
{
  "type": "line",
  "title": "MRR vs. churned MRR (2026)",
  "labels": ["Jan", "Feb", "Mar", "Apr", "May", "Jun"],
  "series": [
    { "name": "MRR ($k)", "data": [120, 138, 151, 167, 180, 201] },
    { "name": "Churned ($k)", "data": [8, 9, 7, 11, 9, 8] }
  ]
}

Notes (optional) — caveats, the source of the numbers, or what a follow-up chart would show.

Chart Spec Rules (so it renders)

  • Emit a single ```chart block containing valid JSON (double-quoted keys/strings, no trailing commas, no comments).
  • type: "bar", "line", "area", "pie", or "doughnut".
  • labels: the x-axis categories (or the slice names for pie/doughnut).
  • series: an array of { "name": "...", "data": [numbers] }. Pie/doughnut uses the first series only.
  • Every series' data length must match labels length. Numbers only — no units inside the array (put units in the series name or title).
  • Choose the type by intent: trend over time → line/area; compare categories → bar; parts of a whole → pie/doughnut.
Show full SKILL.md (173 more words)Show less

Quality Checks

  • Chart type matches the intent (trend → line, comparison → bar, composition → pie)
  • The JSON is valid and renders without edits (no trailing commas, all strings quoted)
  • Every series' data length equals the number of labels
  • Units/scale are clear (in the title or series names), and the one-line read states the takeaway
  • Multiple series are used only when they share the same axis/scale

Anti-Patterns

  • Do not use a pie chart for more than ~6 slices or for trends — pies show composition, not change
  • Do not put units or text inside the numeric data array — it breaks the chart
  • Do not emit invalid JSON (trailing commas, single quotes, comments) — it won't render
  • Do not mismatch lengths — a series shorter/longer than the labels misaligns the chart
  • Do not chart numbers you weren't given — flag gaps instead of inventing data points

Based On

Data-visualization practice (chart-type-to-intent: trend/comparison/composition), emitted as a renderable chart spec.

Example Trigger Phrases

  • "Chart this data."
  • "Graph our monthly revenue."
  • "Visualise these metrics."
  • "Show these numbers as a picture instead of a table."

© mohitagw15856, MIT. 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 skills/chart of mohitagw15856/pm-claude-skills.

Open the folder on GitHubat commit 1cbf1f0

Compare with similar skills

Chart 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.

Chart compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Chart this skillmohitagw15856/pm-claude-skills1.4k—~893Automated safety check: PassMIT
Chart Visualizationbytedance/deer-flow83k2 repos~840Automated safety check: PassMIT
Chart Imagezebbern/claude-code-guide4.7k—~2.7kAutomated safety check: PassMIT
Video Template Frame Data Chart Nytnexu-io/open-design100k—~329Automated safety check: PassApache-2.0
Working With ChartsPostHog/posthog40k—~948Automated safety check: PassCustom licence
Frame Data Chart Nytnexu-io/open-design100k—~734Automated safety check: PassApache-2.0

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  • Chart Visualization

    bytedance/deer-flow

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    83k GitHub starsUsed in 2 repos~840 tokens
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  • Chart Image

    zebbern/claude-code-guide

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Questions about Chart

What does Chart do?

Turn numbers into a chart — bar, line, area, pie, or doughnut. Chart is an agent skill from mohitagw15856/pm-claude-skills. Turn numbers into a chart — bar, line, area, pie, or doughnut.

When should I use Chart?

Chart fits situations like: visualize metrics/trends/breakdowns; show numbers as a picture instead of a table.

How do I install Chart in Claude Code?

Run `npx skills add mohitagw15856/pm-claude-skills --skill chart -a claude-code`. Or copy the skill folder (skills/chart in mohitagw15856/pm-claude-skills) into .claude/skills/chart in your project. Claude Code loads it when a task matches its description.

How do I install Chart in Codex?

Run `npx skills add mohitagw15856/pm-claude-skills --skill chart -a codex`. Or copy the skill folder (skills/chart in mohitagw15856/pm-claude-skills) into .agents/skills/chart in your project. Codex loads it when a task matches its description.

Can I use Chart 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 mohitagw15856/pm-claude-skills --skill chart -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/chart, .gemini/skills/chart, .github/skills/chart and .opencode/skills/chart in your project.

What does Chart need to run?

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

Does Chart 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 Chart 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 Chart use?

Chart is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Chart use?

About 893 tokens (SKILL.md is roughly 3.6k 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 Chart?

Skills that share tags, products or a category with Chart: Chart Visualization (bytedance/deer-flow, 83k stars), Chart Image (zebbern/claude-code-guide, 4.7k stars), Video Template Frame Data Chart Nyt (nexu-io/open-design, 100k stars) and Working With Charts (PostHog/posthog, 40k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Chart?

mohitagw15856 (a GitHub user) maintains it in mohitagw15856/pm-claude-skills, which has 1,431 GitHub stars. The repository holds 1,322 skills in this directory. The repository was last updated on October 7, 2026.

Source: mohitagw15856/pm-claude-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.