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Compile C and C++ to WebAssembly with Emscripten v1.0.0

Use this resource to compile C or C++ to WebAssembly with Emscripten

New

  • 332 downloads
  • 115 likes
  • 136 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install cpp-to-wasm-emscripten

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent walks you through emcc builds: flag selection, function exports through EXPORTED_FUNCTIONS, the WebAssembly memory model and Asyncify for async C code. It also helps debug .wasm files and choose between the browser target and WASI.

Mostly picked by

Updated November 2, 2026

Card for the “Compile C and C++ to WebAssembly with Emscripten” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: step-by-step method, from the first build to exporting functions
  • references/emscripten-linker-flags.md: linker flag reference

Good fit for

  • You are porting a C or C++ library to the browser
  • You need to call a C function from JavaScript

Not for

    Tags

    • webassembly
    • emscripten
    • c++
    • compilation

    About

    You say

    “Compile my C image-filter library to WebAssembly and export the apply_filter() function.”

    Card for the “Compile C and C++ to WebAssembly with Emscripten” skill

    Skill published by mohitmishra786 under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to compile C or C++ to WebAssembly with Emscripten
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/emscripten-linker-flags.md2.4 KB
    • SKILL.md6.8 KB

    Origin and licence

    Listed unmodified

    Author
    mohitmishra786
    Source
    github.com/mohitmishra786/low-level-dev-skills/tree/bdc58472fa9f309ed1b3f7d985a0d8e9bd8f4608/skills/runtimes/wasm-emscripten
    Licence
    MIT

    Notice

    « wasm-emscripten » (mohitmishra786, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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