discover-wasm

Discover and load WebAssembly skill sets during development workflows.

126|7|Updated Oct 18, 2025
One-click install
npx skills add https://github.com/rand/cc-experiments --skill discover-wasm
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: discover-wasm
Source: https://github.com/rand/cc-experiments/tree/main/skills/discover-wasm
Command: npx skills add https://github.com/rand/cc-experiments --skill discover-wasm

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Developing with WebAssembly (WASM) can be complex, requiring knowledge of compilation, browser integration, and server-side execution. This skill provides instant access to expertise on WASM fundamentals, Rust toolchains, browser integration, and server-side WASM, simplifying high-performance application development.

Core Features & Use Cases

  • WebAssembly Expertise: Covers WASM fundamentals, Rust to WASM toolchain, browser integration, and server-side WASM (WASI).
  • Contextual Activation: Automatically activates when you're engaged in WASM development tasks, offering relevant guidance.
  • Use Case: When porting a performance-critical C++ library to the web, this skill can guide you through compiling it to WASM and integrating it efficiently into your browser application.

Quick Start

Explain the fundamentals of WebAssembly and its benefits for web applications.

Frequently Asked Questions about discover-wasm

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

FAQPage Schema
What is WebAssembly and why use it for web applications?

WebAssembly (WASM) is a portable bytecode format that runs in browsers at near-native speed, enabling high-performance applications. It lets you compile languages like Rust and C++ to the web, solving performance bottlenecks in compute-heavy tasks like image processing, cryptography, and physics simulations.

How do I compile Rust to WebAssembly for the browser?

Use the Rust-to-WASM toolchain with wasm-pack to compile Rust code into browser-compatible WASM modules. wasm-pack handles compilation, generates JavaScript bindings, and packages everything for npm, eliminating manual build steps and integration friction.

Can I run WebAssembly outside the browser with WASI?

Yes, WebAssembly System Interface (WASI) enables server-side WASM execution with system-level access to files, networking, and environment variables. This lets you run the same compiled WASM modules both in browsers and on backends for consistent, portable deployment.

What's the best way to integrate a compiled WASM module into a web application?

Load the WASM module via JavaScript using the Fetch API or import statements, then call exported functions directly from your web code. Browser integration is straightforward once compiled; wasm-pack handles TypeScript bindings automatically for seamless JavaScript interop.

Do I need prior WebAssembly knowledge to get started?

No. This skill covers WASM fundamentals from the ground up, including what WebAssembly is, why it matters, and how compilation works. It contextually activates during WASM development tasks to guide you through toolchain setup and browser or server-side integration step by step.

What are the limitations of using WebAssembly in production?

WASM excels at performance-critical tasks but has larger initial load times and memory overhead than JavaScript. Use it selectively for computationally expensive workloads; for simple logic or DOM manipulation, JavaScript alone is lighter and faster to parse.