Create or edit Obsidian .canvas files with nodes, edges, groups, and connections. Use for JSON Canvas artifacts, not generic 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
# JSON Canvas
Use for Obsidian .canvas artifacts. Read the [preserved format guidance](UPSTREAM.md)
for node, edge, group, and connection rules. Read
[examples](references/EXAMPLES.md) only when a concrete canvas pattern is useful.
Preserve unrelated nodes and edges when editing an existing canvas.
[Preservation provenance](references/provenance.json). Resolve original relative
paths from this skill directory; the preserved file stays here to retain its links.
The line at the top of this page pins the label git:20260906.9af3950, 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.
GET https://markdownregistry.com/api/v1/artifacts/art_i5lzgaegrfsfiyph
GET https://markdownregistry.com/api/v1/resolve?ref=jialuohu/codex-toolbox/json-canvas
GET https://markdownregistry.com/api/v1/blob/9673406e3a8cc1a5698134ee181fa94057016f6b122a05ec8bff84dfb051eec1
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.
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