Repositories list

• browser-compat-data

  Public

  mdn/browser-compat-data’s past year of commit activity
  Browser compatibility data for Web technologies as displayed on MDN

  jsondatadataset+ 2compatibilitycompat

  JSON

  •

  Creative Commons Zero v1.0 Universal

  •2.5k•5.5k•458•46•Updated Jan 9, 2026Jan 9, 2026

• content

  Public
  The official source for MDN Web Docs content. Home to over 14,000 pages of documentation about HTML, CSS, JS, HTTP, Web APIs, and more.

  javascriptcsshtml+ 7learninghttpdocumentationweb-developmentreferencemdnweb-standards

  Markdown

  •

  Other

  •23k•10k•298•88•Updated Jan 9, 2026Jan 9, 2026

• translated-content

  Public

  mdn/translated-content’s past year of commit activity
  7 community-maintained translations of MDN Web Docs in ES, FR, JA, KO, PT-BR, RU, and ZH, to learn and contribute in your native language.

  documentationweb-developmentlocalization+ 3mdnl10nweb-platform

  Markdown

  •

  Other

  •8.3k•1.9k•159•239•Updated Jan 9, 2026Jan 9, 2026

• triagebot

  Public

  mdn/triagebot’s past year of commit activity
  automation

  JavaScript

  •

  MIT License

  •1•4•0•1•Updated Jan 9, 2026Jan 9, 2026

• data

  Public

  mdn/data’s past year of commit activity
  This repository contains general data for Web technologies

  cssjsondata+ 1json-data

  JavaScript

  •

  Creative Commons Zero v1.0 Universal

  •207•766•35•0•Updated Jan 9, 2026Jan 9, 2026

• translated-content-de

  Public
  Experimental German locale for MDN, aimed at German-speaking users that prefer to read MDN Web Docs in their native language

  Markdown

  •

  Other

  •14•14•7•1•Updated Jan 9, 2026Jan 9, 2026

• webassembly-examples

  Public
  Code examples that accompany the MDN WebAssembly documentation — see https://developer.mozilla.org/en-US/docs/WebAssembly.

  exampleswebassemblywasm

  WebAssembly

  •

  Creative Commons Zero v1.0 Universal

  •263•1.2k•2•0•Updated Jan 9, 2026Jan 9, 2026

• mcp

  Public

  mdn/mcp’s past year of commit activity
  MDN's prototype MCP server

  JavaScript

  •

  Mozilla Public License 2.0

  •2•10•0•0•Updated Jan 9, 2026Jan 9, 2026

• tree-sitter-mdn

  Public
  MDN's macro grammar for tree-sitter

  JavaScript

  •

  MIT License

  •2•1•0•1•Updated Jan 9, 2026Jan 9, 2026

• mdn-http-observatory

  Public

  mdn/mdn-http-observatory’s past year of commit activity
  Backend for HTTP Observatory on MDN

  httpsecurityprivacy+ 3mdnsecurity-toolshttp-headers

  JavaScript

  •

  Mozilla Public License 2.0

  •28•101•13•7•Updated Jan 9, 2026Jan 9, 2026

• rari

  Public
  Rari is a Rust-based build system that transforms markdown into structured JSON, powering MDN Web Docs content and translations since 2024.

  infra

  Rust

  •

  Other

  •23•31•43•13•Updated Jan 9, 2026Jan 9, 2026

• rumba

  Public
  The clean kuma (🤖🧹)

  rust

  Rust

  •

  Mozilla Public License 2.0

  •21•59•3•4•Updated Jan 9, 2026Jan 9, 2026

• workflows

  Public
  Reusable GitHub Actions workflows

  infragithub-actions

  Mozilla Public License 2.0

  •22•42•0•0•Updated Jan 9, 2026Jan 9, 2026

• mdn-community

  Public
  A place to provide feedback and suggestions for MDN Web Docs

  communityfeedbackmdn+ 1governance

  Mozilla Public License 2.0

  •51•149•9•0•Updated Jan 9, 2026Jan 9, 2026

• fred

  Public
  MDN's frontend since late 2025, built with Web Components, Lit, and SSR for a fast, clean documentation experience. Fred = /fr(ont)e(n)d/.

  ssrweb-componentslit

  JavaScript

  •

  Mozilla Public License 2.0

  •26•70•132•22•Updated Jan 9, 2026Jan 9, 2026

• dex

  Public
  MDN's deployment infrastructure.

  JavaScript

  •

  Mozilla Public License 2.0

  •2•1•9•1•Updated Jan 9, 2026Jan 9, 2026

• bcd-utils

  Public
  toolinginfrabcd+ 1browser-compat-data

  JavaScript

  •

  Mozilla Public License 2.0

  •10•5•0•0•Updated Jan 9, 2026Jan 9, 2026

• yari

  Public
  The platform code behind MDN Web Docs

  mdnyari

  TypeScript

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  Mozilla Public License 2.0

  •548•1.3k•2•2•Updated Jan 9, 2026Jan 9, 2026

• dom-examples

  Public

  mdn/dom-examples’s past year of commit activity
  Code examples that accompany various MDN DOM and Web API documentation pages

  javascriptdemodrag-drop+ 7mdndom-manipulationtouch-eventsmatchmediapointer-lockpointer-eventschannel-messaging

  JavaScript

  •

  Creative Commons Zero v1.0 Universal

  •1.9k•3.9k•11•4•Updated Jan 8, 2026Jan 8, 2026

• webextensions-examples

  Public

  mdn/webextensions-examples’s past year of commit activity
  Example Firefox add-ons created using the WebExtensions API

  browsermdnwebextensions+ 1webextensions-apis

  JavaScript

  •

  Mozilla Public License 2.0

  •2.7k•4.4k•16•14•Updated Dec 19, 2025Dec 19, 2025

• todo-vue

  Public
  Sample todo app built with the Vue framework

  todovuejsvue+ 1mdn

  Vue

  •

  Mozilla Public License 2.0

  •91•139•0•3•Updated Dec 19, 2025Dec 19, 2025

• release-dashboard

  Public
  Small app to display bugzilla bugs which need dev docs

  mdnbugzilla

  Vue

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  Mozilla Public License 2.0

  •15•5•1•1•Updated Dec 19, 2025Dec 19, 2025

• django-diy-blog

  Public
  Basic blog site written in Django (part of MDN Django module assessment).

  pythonblogdemo+ 2djangoexample

  Python

  •

  Creative Commons Zero v1.0 Universal

  •129•226•0•0•Updated Dec 15, 2025Dec 15, 2025

• curriculum

  Public
  MDN front-end developer curriculum

  learningeducationweb-development+ 2careerbeginners

  TeX

  •

  Other

  •49•377•3•1•Updated Dec 11, 2025Dec 11, 2025

• differy

  Public
  Rust

  •

  MIT License

  •9•6•1•0•Updated Dec 11, 2025Dec 11, 2025

• translated-content-it

  Public
  Experimental Italian locale for MDN, aimed at Italian-speaking users that prefer to read MDN Web Docs in their native language

  Markdown

  •

  Other

  •1•1•3•2•Updated Dec 11, 2025Dec 11, 2025

• todo-react

  Public

  mdn/todo-react’s past year of commit activity
  Sample todo app built with the React/ReactDOM framework.

  reactdemotodo+ 1example

  JavaScript

  •

  Mozilla Public License 2.0

  •298•266•1•4•Updated Dec 11, 2025Dec 11, 2025

• content-inventory

  Public
  Inventory of MDN content

  JavaScript

  •

  Apache License 2.0

  •5•1•0•0•Updated Dec 11, 2025Dec 11, 2025

• client-toolchain-example

  Public
  Demo project for the MDN client-side web development tools tutorial.

  javascripttoolchaindemo+ 1examples

  JavaScript

  •

  Other

  •0•4•0•0•Updated Dec 9, 2025Dec 9, 2025

• shared-assets

  Public
  A repository for media and assets to be used across MDN Web Docs

  assetsexamplesinfra

  Mermaid

  •

  Other

  •12•22•3•0•Updated Dec 9, 2025Dec 9, 2025