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wasm-expert

Compile Rust and C to WebAssembly with WASI and WIT definitions.

18.1k|2.3k|Updated Feb 24, 2026
Search Tags:#performance#rust#wasm#wasi#webassembly#c#component model
One-click install
npx skills add https://github.com/RightNow-AI/openfang --skill wasm-expert-rightnow-ai
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: wasm-expert
Source: https://github.com/RightNow-AI/openfang/tree/main/crates/openfang-skills/bundled/wasm-expert
Command: npx skills add https://github.com/RightNow-AI/openfang --skill wasm-expert-rightnow-ai

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides expert guidance on leveraging WebAssembly (Wasm) for diverse applications, from server-side execution with WASI to browser integration and cross-language component composition.

Core Features & Use Cases

  • Compilation Guidance: Learn to compile Rust, C, and other languages to Wasm for various targets.
  • WASI & Component Model: Understand server-side capabilities and modern component-based architectures.
  • Browser Integration: Optimize Wasm for web applications, focusing on performance and size.
  • Use Case: You need to build a performant, portable module that can run both in a web browser and on a server using WASI. This Skill will guide you through the compilation, interface definition (WIT), and optimization steps.

Quick Start

Consult the wasm-expert skill for instructions on compiling a Rust project to a WASI-compatible WebAssembly module.

Frequently Asked Questions about wasm-expert

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

FAQPage Schema
How do I compile a Rust project to a WASI-compatible WebAssembly module?▼

To compile a Rust project to a WASI-compatible WebAssembly module, you need to configure the compilation toolchain targeting WASI and utilize the WASI system interfaces for server-side execution capabilities. This Skill provides expert guidance on setting up the correct compilation targets and WASI APIs for portable server-side modules.

What is the WebAssembly component model and how does WIT work?▼

The WebAssembly component model enables cross-language component composition through WIT (WebAssembly Interface Type) definitions. It allows you to design composable components by defining clear interfaces, facilitating portable modules that interact seamlessly across different languages and platforms.

Can I use WebAssembly to build a portable module that runs in both a browser and on a server?▼

Yes, you can build a portable WebAssembly module running in both environments by compiling to Wasm and defining interfaces with WIT. This Skill guides you through the compilation, interface definition, and optimization steps needed for cross-platform execution using WASI and browser integration.

How do I optimize WebAssembly performance and size for web applications?▼

Optimizing WebAssembly for web applications involves specific compilation toolchains and Wasm optimization techniques focused on performance and size reduction. This Skill provides expert knowledge on browser integration strategies to ensure your Wasm modules are highly performant and lightweight.

Does WebAssembly support compiling languages other than Rust for WASI targets?▼

Yes, WebAssembly supports compiling multiple languages including C and Rust to Wasm for various targets. This Skill addresses challenges in building portable server-side modules by providing expert knowledge on compilation toolchains and WASI system interfaces for diverse programming languages.

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