Create, implement, or review json canvas work with format, accessibility, performance, and visual-verification controls. Use when the requested deliverable depends on json canvas.
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 this Skill to produce a bounded, verifiable JSON Canvas outcome. Preserve the user's chosen stack, source material, and authorization boundaries.
Read [the SandBase API map](references/sandbase-api-map.md) only when the task genuinely needs an external data source or generative model.
## Workflow
1. Inspect the available files, runtime, versions, inputs, and existing conventions before deciding what to change.
2. Restate the requested outcome, constraints, acceptance checks, and any assumption that could change the result.
3. Produce the smallest complete implementation, analysis, or artifact that satisfies those checks.
4. Verify the real output with appropriate tests, previews, calculations, or source comparison; do not infer success from file creation alone.
5. Return the deliverable, evidence of validation, material assumptions, and unresolved limitations.
## Quality gates
- Confirm canvas or frame dimensions, output format, timing, interaction, target runtime, and accessibility requirements.
- Preserve the existing design system and implementation stack; use named tokens and reusable structures instead of unexplained one-off values.
…
The line at the top of this page pins the label git:20260908.a887321, 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_36s6c7ugiawkcnpg
GET https://markdownregistry.com/api/v1/resolve?ref=sandbaseai/sandbase-skills/json-canvas
GET https://markdownregistry.com/api/v1/blob/5b126cbad2b555b4ce56729db7ef4651584da6f87940f39abc2e73037212102a
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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