Individual skill
wasm-compatibility
Check if a marimo notebook is compatible with WebAssembly (WASM) and report any issues.
skills/wasm-compatibility/SKILL.md
Source commit 6454470960d3cd57151aaeffb1176dd55f598b18
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- Matches the observed repository HEAD
- Yes
- Scanner rules are current
- No
- Repository scan complete
- No
- Skill scan complete
- No
- Observed behavior
- Not checked yet
- Last checked
- Nov 7, 2026
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Repository context
- Repository stars (not skill ratings)
- 177
- Repository last updated
- Aug 19, 2026
- License
- Apache-2.0
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- engineering Derived category
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SKILL.mdcore · 7,684 bytesSKILL.mdcore · 7,684 bytesSKILL.mdcore · 7,684 bytesreferences/pyodide-packages.mddoc · 4,814 bytes
Read excerpt
# WASM Compatibility Checker for marimo Notebooks
Check whether a marimo notebook can run in a WebAssembly (WASM) environment — the marimo playground, community cloud, or exported WASM HTML.
## Instructions
### 1. Read the notebook
Read the target notebook file. If the user doesn't specify one, ask which notebook to check.
### 2. Run marimo's WASM lint rules
marimo ships three lint rules that catch most WASM incompatibilities automatically. Run them first, and build the report from their output instead of re-deriving these checks by hand:
