uml-diagrams SKILL.md skillA
uml-diagrams from antoinebou12/uml-mcp is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add antoinebou12/uml-mcp/uml-diagrams@git:20260903.fdc89eePins git:20260903.fdc89ee in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- antoinebou12/uml-mcp
- Path
plugins/uml-mcp/skills/uml-diagrams/SKILL.md- Versions recorded
- 5
- Latest version
- git:20260903.fdc89ee, committed Sep 3, 2026
- First version recorded
- May 5, 2026
- Size
- 5,139 bytes
- Repository stars
- 107
- License
- MIT
Create and validate diagrams with the uml-mcp MCP server (generate_uml, generate_uml_image, validate_uml, list_diagram_types, generate_uml_batch). Use for UML, Mermaid, D2, Graphviz, Kroki URLs, inline chat images, goat/umlet, or diagram_type questions.
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
> **Maintainers:** Canonical long-form copy also lives in [`.skill/skills/uml-mcp-diagrams/SKILL.md`](https://github.com/antoinebou12/uml-mcp/blob/main/.skill/skills/uml-mcp-diagrams/SKILL.md). Keep tool tables and `output_dir` wording aligned with the Smithery bundle [uml-skill](https://github.com/antoinebou12/uml-skill). # UML-MCP in Claude Code ## Goal Produce valid `diagram_type` and DSL `code`, call **generate_uml** (or **generate_uml_image** to show a picture in chat), and give the user the **`url`** (and **`playground`** when present). Prefer URL-first output: omit **`output_dir`** / use `null` unless the user wants files on disk (local stdio only). ## Do - If **`diagram_type`** is unclear, use **`list_diagram_types`** or read **`uml://types`** / **`uml://formats`** before **generate_uml** (~37 types, including **`goat`** and **`umlet`**). - Match **`diagram_type`** to the language of **`code`** (e.g. Mermaid body → `mermaid`; `@startuml` → `plantuml` or the specific Kroki PlantUML subtype when applicable). - Use **`validate_uml`** before heavy retry loops or on pasted diagram source; use **`strict: true`** for Mermaid sequences. …
Read the whole file at its exact version.
How to install
mdr add antoinebou12/uml-mcp/uml-diagrams@sha256:962c3f737411278fThe line at the top of this page pins the label git:20260903.fdc89ee, 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.
[](https://markdownregistry.com/a/art_frhnm6oy6g5swze4)
4 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 5 versions of this file, between May 5, 2026 and Sep 3, 2026, about one every 30 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260903.fdc89ee latest | 2026-09-03 | fdc89ee | 5,139 B | A | view · diff |
| git:20260903.19b8e02 | 2026-09-03 | 19b8e02 | 4,983 B | A | view · diff |
| git:20260903.227a982 | 2026-09-03 | 227a982 | 4,973 B | A | view · diff |
| git:20260525.565b156 | 2026-05-25 | 565b156 | 3,589 B | A | view · diff |
| git:20260505.0cf18a6 | 2026-05-05 | 0cf18a6 | 2,643 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (5139 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
antoinebou12/uml-mcp · 107 stars · license MIT · pushed 2026-10-18 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_frhnm6oy6g5swze4 GET https://markdownregistry.com/api/v1/resolve?ref=antoinebou12/uml-mcp/uml-diagrams GET https://markdownregistry.com/api/v1/blob/962c3f737411278f42293d44b299e7ed8635c48765c5aeb463ae6d35f0793f67
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.