A home for the things you build

Small extensions.
Bigger possibilities.

Discover tools made by developers, for developers. Build with HTML, CSS and JavaScript. Keep your source and releases on GitHub.

GitHub-hosted releasesPlain web technologiesCreator-owned

agentic-extension.jsonYour next idea

{
  "name": "hello-world",
  "displayName": "Hello World",
  "version": "1.0.0",
  "runtime": "web",
  "entry": {
    "html": "index.html",
    "styles": "styles.css",
    "script": "main.js"
  }
}

Start small. Keep it yours. See the full manifest →

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Community extensions

0 extensions

Make room for your first idea

The catalog is ready for its first creators. Turn a useful little tool into an extension and share it through GitHub.

Open the authoring guide

Built for the next chapter. Catalog discovery and GitHub downloads are available here. Running community extensions in Agentic Developer awaits its isolated runtime integration.

One connected developer toolkit

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From your next idea to the people who need it. Three products built to work together.

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The Developer Market

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The Extension Market

Share the tools you create.

Discover community extensions, publish your own and keep your source and releases on GitHub.

You choose what to publish and share across products.