which-chart SKILL.md skillB

which-chart from mostafa-drz/claude-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add mostafa-drz/claude-skills/which-chart@git:20260930.b344b31

Pins git:20260930.b344b31 in mdr.lock. Pin the fingerprint instead.

Audit grade
B, 16 of 17 checks passed
Kind
SKILL.md skill
Repository
mostafa-drz/claude-skills
Path
desktop/which-chart/SKILL.md
Versions recorded
1
Latest version
git:20260930.b344b31, committed Sep 30, 2026
Size
9,355 bytes
Repository stars
5
License
MIT

Recommends the right chart for your data and use case: reads data or screenshots, asks up to 3 questions, then gives one pick and alternatives drawn from your rows. For "which chart should I use?".

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Which chart

You have data and a question for it, say brand sentiment over time for an engagement
dashboard, and a dozen chart types that could plausibly show it. This skill reads what you
share, asks only what it can't work out, and answers with **one pick**, the alternatives
that win in other situations, and what to avoid. Every option is drawn from your own rows,
so you judge the real thing, not a thumbnail from a gallery.

It starts automatically on a matching request: "which chart for this?", "how should I
visualize sentiment over time?", or data and screenshots shared with that intent.

One reference, **read it every run**: [`choosing.md`](./references/choosing.md) (the
brief, the matching rules, colour, anti-patterns, and the source list to cite). The data
shape is [`evals/example-reco.json`](./evals/example-reco.json), a complete worked example.

---

## The flow

```
Chart progress:
- [ ] 1. Read what was shared: data, screenshots, use case
- [ ] 2. Ask only what's missing (one round, ≤3 questions, each with a default)
- [ ] 3. Match: relationship → candidates → one pick, 1–3 alternatives, what to avoid
- [ ] 4. Write reco.json → validate → page
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add mostafa-drz/claude-skills/which-chart@sha256:a472a777bda7a802

The line at the top of this page pins the label git:20260930.b344b31, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_m5nqfuanj7atugqa.svg)](https://markdownregistry.com/a/art_m5nqfuanj7atugqa)

1 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 1 version of this file, committed on Sep 30, 2026.

versioncommittedcommitsizeaudit
git:20260930.b344b31 latest2026-09-30 b344b31 9,355 BB view

Audit of the latest version

B  16 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • fail: No script tag (matched: <script)
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (9355 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address

Starting a new one? Use a template for SKILL.md on mdpantry, which passes every one of these checks and says what to change in it.

Source

GitHub

mostafa-drz/claude-skills · 5 stars · license MIT · pushed 2026-10-26 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_m5nqfuanj7atugqa
GET https://markdownregistry.com/api/v1/resolve?ref=mostafa-drz/claude-skills/which-chart
GET https://markdownregistry.com/api/v1/blob/a472a777bda7a802ead255f229b4faa7e294daebc76f4bc144e1902168d25fbc

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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