diagram-studio SKILL.md skillA

diagram-studio from ddtcorex/maestro-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add ddtcorex/maestro-skills/diagram-studio@git:20261007.4e1409e

Pins git:20261007.4e1409e in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
ddtcorex/maestro-skills
Path
skills/diagram-studio/SKILL.md
Versions recorded
5
Latest version
git:20261007.4e1409e, committed Oct 7, 2026
First version recorded
Aug 27, 2026
Size
8,342 bytes
Repository stars
5
License
MIT

Use when creating architecture, sequence, class, ER, or state diagrams as Mermaid for GitHub docs or editorial HTML for client decks; includes verify and drift against codebase.

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

# Diagram Studio

Hybrid Mermaid + editorial HTML for architecture, sequence, class, ER, and state diagrams.

## When to Use

Use when the reader learns more from a visual than from a paragraph or table. Ideal for system architecture, message flows over time, entity relationships, class structures, and state transitions with guards.

Don't use for simple lists, single before/after comparisons, or a one-sentence relationship that a table can express — use a table instead.

## Selection

Choose the Mermaid type by the semantic pattern, not by habit. See `references/cheatsheet.md` for minimal examples.

| If showing… | Use | Reference |
|---|---|---|
| Components + connections | flowchart | cheatsheet.md#flowchart |
| Messages over time | sequenceDiagram | cheatsheet.md#sequence |
| States + guards | stateDiagram | cheatsheet.md#state |
| Entities + fields | erDiagram | cheatsheet.md#er |
| Classes + ops | classDiagram | cheatsheet.md#class |

Full 52-ordinal editorial taxonomy from `cathrynlavery/diagram-design` v2.6.32 is mapped to these 5 Mermaid types in `references/supported-cases.md` (mapped or explicitly out of scope) — start with the table above before inventing a new form.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add ddtcorex/maestro-skills/diagram-studio@sha256:d6d23109ff960c8c

The line at the top of this page pins the label git:20261007.4e1409e, 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_5ku4gyreq6ibduyu.svg)](https://markdownregistry.com/a/art_5ku4gyreq6ibduyu)

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

Versions

The registry has recorded 5 versions of this file, between Aug 27, 2026 and Oct 7, 2026, about one every 10 days.

versioncommittedcommitsizeaudit
git:20261007.4e1409e latest2026-10-07 4e1409e 8,342 BA view · diff
git:20261005.78166b52026-10-05 78166b5 7,917 BA view · diff
git:20260921.73fb79b2026-09-21 73fb79b 7,673 BA view · diff
git:20260919.04b17c32026-09-19 04b17c3 7,653 BA view · diff
git:20260827.bcd96d02026-08-27 bcd96d0 7,571 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (8342 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
  • pass: No script tag

Source

GitHub

ddtcorex/maestro-skills · 5 stars · license MIT · pushed 2026-10-27 · branch master

API

GET https://markdownregistry.com/api/v1/artifacts/art_5ku4gyreq6ibduyu
GET https://markdownregistry.com/api/v1/resolve?ref=ddtcorex/maestro-skills/diagram-studio
GET https://markdownregistry.com/api/v1/blob/d6d23109ff960c8c80eeecf0e2f9b077c83d7aa91c3cb3c4995c2c85a1980027

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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