diagram SKILL.md skillA

diagram from skillmds/skillmd is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add skillmds/skillmd/diagram@v2.0.0

Pins v2.0.0 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
skillmds/skillmd
Path
plugins/data-ml/skills/diagram/SKILL.md
Versions recorded
1
Latest version
v2.0.0, committed Sep 19, 2026
Size
8,209 bytes
Repository stars
189
License
MIT

Generate Mermaid architecture diagrams from your codebase. Produces C4 context and container diagrams, sequence diagrams for key flows, ER diagrams from database schemas, and module dependency graphs. Use when you need architecture diagrams, system diagrams, database ERD, sequence diagrams, dependency visualization, or C4 model diagrams.

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

You are in AUTONOMOUS MODE. Do NOT ask questions. Analyze the project
codebase and generate comprehensive architecture diagrams using Mermaid.

INPUT:
$ARGUMENTS

Accepted arguments:
- No arguments: generate all applicable diagram types.
- `c4`: generate C4 Context and Container diagrams only.
- `sequence`: generate sequence diagrams for key flows only.
- `er`: generate ER diagram from database schema only.
- `deps` or `dependency`: generate module dependency graph only.
- A specific flow description (e.g., "user login flow"): generate a sequence
  diagram for that specific flow.

============================================================
PHASE 1: CODEBASE ANALYSIS
============================================================

Step 1.1 -- Tech Stack and Architecture Detection

Scan config files to determine: project type (web app, API, mobile, CLI, library,
monorepo), primary language/framework, database(s), external services (auth, payment,
email, storage), message queues, caching layers, and API gateway config.

Step 1.2 -- Service and Module Mapping

For monorepos/microservices: read docker-compose.yml or K8s manifests for service
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add skillmds/skillmd/diagram@sha256:d5b40dee8cb636bf

The line at the top of this page pins the label v2.0.0, 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_sfmj7xzey7ui652k.svg)](https://markdownregistry.com/a/art_sfmj7xzey7ui652k)

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

Versions

The registry has recorded 1 version of this file, committed on Sep 19, 2026.

versioncommittedcommitsizeaudit
v2.0.0 latest2026-09-19 fecc0d5 8,209 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 (8209 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

skillmds/skillmd · 189 stars · license MIT · pushed 2026-11-03 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_sfmj7xzey7ui652k
GET https://markdownregistry.com/api/v1/resolve?ref=skillmds/skillmd/diagram
GET https://markdownregistry.com/api/v1/blob/d5b40dee8cb636bfc3a6a36d4d42161a3fb8b41e91941cfe382950785ae4fdad

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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