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wasm-compatibility

Analyze Marimo notebook dependencies and report WASM compatibility for Pyodide environments.

1|Updated Apr 20, 2026
Search Tags:#compatibility#wasm#browser#notebook#marimo#pyodide
One-click install
npx skills add https://github.com/IndianBoy42/dot-opencode --skill wasm-compatibility-indianboy42
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: wasm-compatibility
Source: https://github.com/IndianBoy42/dot-opencode/tree/main/skills/wasm-compatibility
Command: npx skills add https://github.com/IndianBoy42/dot-opencode --skill wasm-compatibility-indianboy42

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This skill helps developers assess whether a Marimo notebook can run in a WebAssembly (WASM) environment by identifying incompatible dependencies and runtime patterns, preventing runtime errors in browser-based execution.

Core Features & Use Cases

  • Dependency analysis: parses the top-of-notebook PEP 723 metadata and source imports to enumerate dependencies.
  • WASM compatibility assessment: checks against Pyodide built-ins and common pure-Python packages to surface compatibility issues.
  • Report and guidance: provides a clear compatibility report with actionable remediation steps for any detected issues.
  • Use Case: A data scientist wants to validate a notebook before sharing in a browser-based playground, ensuring it won’t fail due to unsupported packages.

Quick Start

Run the wasm-compatibility checker on a target notebook to generate a compatibility report.

Frequently Asked Questions about wasm-compatibility

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I check if a Marimo notebook is WASM compatible?▼

To check Marimo notebook WASM compatibility, analyze its Python dependencies by parsing import statements and PEP 723 metadata against Pyodide built-ins to detect unsupported native extensions and report incompatibilities.

What makes a Python package incompatible with Pyodide in a browser notebook?▼

A Python package is incompatible with Pyodide in a browser notebook if it requires native extensions or compiled code unavailable in the WebAssembly environment, which dependency analysis identifies by checking against Pyodide built-ins.

How do I assess Pyodide support for notebook imports before browser deployment?▼

Assess Pyodide support for notebook imports by mapping dependencies from PEP 723 metadata and source code against Pyodide built-ins and pure-Python packages to generate a structured compatibility report.

Does stdlib usage affect WASM compatibility in Pyodide notebooks?▼

Stdlib usage in Pyodide notebooks is generally WASM compatible, and compatibility assessment detects stdlib imports alongside Pyodide compatibility and potential native extensions to provide a complete structured report.

Can I detect native extension dependencies in a Marimo notebook before running it?▼

You can detect native extension dependencies in a Marimo notebook by analyzing its import statements and PEP 723 metadata to identify packages that may fail in a Pyodide-based browser environment.

Why does my Marimo notebook fail when running in a browser environment?▼

Your Marimo notebook fails in a browser environment because it likely imports dependencies requiring native extensions unsupported by Pyodide, which WASM compatibility analysis detects by mapping imports against Pyodide built-ins.

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