mermaid SKILL.md skillA
mermaid from chrislacey89/skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add chrislacey89/skills/mermaid@git:20260526.d93fdc1Pins git:20260526.d93fdc1 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- chrislacey89/skills
- Path
mermaid/SKILL.md- Versions recorded
- 2
- Latest version
- git:20260526.d93fdc1, committed May 26, 2026
- First version recorded
- May 15, 2026
- Size
- 10,964 bytes
- Repository stars
- 4
- License
- MIT
Side-route utility skill for generating Mermaid diagram code from a description. Use when the user wants a flowchart, sequence diagram, class diagram, ER diagram, state machine, Gantt chart, mindmap, C4 architecture, user journey, or any of 23 supported Mermaid diagram types — often during /shape, /research, /write-a-prd, or /prd-to-issues when a visual would clarify scope, flow, or structure. Not for free-form ASCII sketches, hand-drawn whiteboards (use /excalidraw-diagram for that), or…
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
# Mermaid Diagram Generator > Adapted from [WH-2099/mermaid-skill](https://github.com/WH-2099/mermaid-skill) on 2026-05-15. Reference syntax docs are bundled under `references/` and originate from the upstream Mermaid project. The `## Verification` section incorporates the render-check recipe and parse-pitfalls table from [WH-2099/mermaid-skill#5](https://github.com/WH-2099/mermaid-skill/pull/5) by @rajatarya. Generate Mermaid diagram source that renders directly in GitHub, VS Code, Notion, and other Mermaid-aware viewers. ## Invocation Position Side-route utility. Mermaid is most useful **inside other pipeline artifacts** — a sequence diagram inside a PRD, a flowchart inside a research note, an ER diagram inside an issue body, a C4 diagram inside an architecture proposal. Invoke it directly when: - The user explicitly asks for a Mermaid diagram, flowchart, sequence diagram, ER diagram, state machine, Gantt chart, etc. - A pipeline skill (`/shape`, `/research`, `/write-a-prd`, `/prd-to-issues`, `/improve-codebase-architecture`, `/request-refactor-plan`) would benefit from an embedded diagram and the user wants one. Do not invoke when: …
Read the whole file at its exact version.
How to install
mdr add chrislacey89/skills/mermaid@sha256:f50e6ea373dace4eThe line at the top of this page pins the label git:20260526.d93fdc1, 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_hgvy62byr3glboza)
4 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 2 versions of this file, between May 15, 2026 and May 26, 2026, about one every 11 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260526.d93fdc1 latest | 2026-05-26 | d93fdc1 | 10,964 B | A | view · diff |
| git:20260515.d1a2513 | 2026-05-15 | d1a2513 | 9,920 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 (10964 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
chrislacey89/skills · 4 stars · license MIT · pushed 2026-10-22 · branch prod
API
GET https://markdownregistry.com/api/v1/artifacts/art_hgvy62byr3glboza GET https://markdownregistry.com/api/v1/resolve?ref=chrislacey89/skills/mermaid GET https://markdownregistry.com/api/v1/blob/f50e6ea373dace4e432d41c7ddb22d7bcc64715066d200bcd090266edc002596
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.
More from chrislacey89/skills
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