uml-mcp-db-schema SKILL.md skillA
uml-mcp-db-schema 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-mcp-db-schema@git:20261107.e679e97Pins git:20261107.e679e97 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- antoinebou12/uml-mcp
- Path
.github/skills/uml-mcp-db-schema/SKILL.md- Versions recorded
- 1
- Latest version
- git:20261107.e679e97, committed Nov 7, 2026
- Size
- 3,276 bytes
- Repository stars
- 109
- License
- MIT
Draw database schema (ER) diagrams from SQL DDL or JSON tables (db_schema).
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
# Database schema diagrams Follow `skill://uml-mcp-diagrams/SKILL.md`. Table cards with key, link, null and unique markers and crow's-foot relationships attached at the column rows, laid out by foreign-key direction with groups as tinted containers. The page focuses a table, traces a column's keys and searches. ## Types | Type | Use for | Example prompt | | --- | --- | --- | | `db_schema` | a database schema or ER diagram from SQL DDL or a list of tables | Draw the schema of my shop database from this CREATE TABLE script. | ## Steps 1. Check the live catalog (`list_diagram_types` or `uml://types`); the bundled plugins are on by default, but a server may turn them off with `plugins.bundled: false`. 2. Read the type's example from `uml://examples` and keep its field names. 3. Call `validate_uml`; an error names the field and, for a bad reference, lists the known ids, so fix it and validate again. 4. Render with `generate_uml_image` for a chat image, or `generate_uml` with `output_format: "html"` for the interactive page in the MCP App viewer. Clients without MCP Apps still get the PNG and SVG. 5. Pass `theme` (`auto`, `dark`, `light`) rather than editing colours. ## Example …
Read the whole file at its exact version.
How to install
mdr add antoinebou12/uml-mcp/uml-mcp-db-schema@sha256:149ebf106b487f74The line at the top of this page pins the label git:20261107.e679e97, 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_spguje4rjhiptruh)
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Versions
The registry has recorded 1 version of this file, committed on Nov 7, 2026.
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 (3276 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 · 109 stars · license MIT · pushed 2026-11-07 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_spguje4rjhiptruh GET https://markdownregistry.com/api/v1/resolve?ref=antoinebou12/uml-mcp/uml-mcp-db-schema GET https://markdownregistry.com/api/v1/blob/149ebf106b487f7453ed7af7a82917fd82d6626ab014f327d622a50dd5eed479
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.