excalidraw skillA
excalidraw is agent-read markdown (skill) from taracodlabs/aiden: Hand-drawn diagrams in Excalidraw JSON (architecture, flowcharts).
Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.
How to install
mdr add taracodlabs/aiden/excalidraw@v1.0.0mdr add taracodlabs/aiden/excalidraw@sha256:7a5eee7f574e7de1Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.
[](https://markdownregistry.com/a/art_dagol3atjofetu6k)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| v1.0.0 latest | 2026-05-06 | ba6fa84 | 4,460 B | A | view · diff |
| v1.0.0 | 2026-04-17 | a38c031 | 4,514 B | A | view · diff |
| v1.0.0 | 2026-04-17 | e6cb4b2 | 4,494 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 (4460 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
taracodlabs/aiden · 839 stars · license AGPL-3.0 · pushed 2026-09-13 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_dagol3atjofetu6k GET https://markdownregistry.com/api/v1/resolve?ref=taracodlabs/aiden/excalidraw GET https://markdownregistry.com/api/v1/blob/7a5eee7f574e7de16f42b2c430814394280e1c5b814fc9085d87f34e1011064a
Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.