Build the web that agents use.

Implement WebMCP in your site to compete in the OpenAI WebMCP Hackathon. Cloudflare is here to help you get started.

10 WINNERS GET

$10k in Cloudflare credits

Everything you need to turn your next idea into an app that can scale to millions.

3 SIMPLE STEPS TO GO

Cloudflare has a strong free tier, but we're giving away $20 in credits to every hackathon participant to take your builds to the next level.

The React + Vite starter application comes preconfigured with WebMCP tools to get you started.

Deploy the starter in seconds for a live WebMCP enabled website.

A working React app that exposes imperative and declarative WebMCP tools and deploys to Workers.

Use the Cloudflare Vite plugin and Workers runtime to deploy your React app in seconds.

Build complex agents with built-in support for state management, websockets, scheduling, and more

Create a WebMCP-enabled lab browser and test tools through Chrome and a coding agent.

Move beyond browser-local state when your project needs durable data across devices.

Read the proposal and Chrome's imperative and declarative API guides.

Check the official pages for eligibility, rules, submission requirements, dates, and updates.