Submit a solution

Choose your compiled Wasm to run the compliance cases in your browser. Nothing is uploaded until you sign in and submit.

You can run the browser check without an account. Sign in with GitHub to submit.

Wasm

Wasm at most 2 MiB; fixed memory at most 16 MiB (256 pages); no imports.

Browser check

Choose a Wasm file to run the compliance cases here. This needs JavaScript; without it, the official checks still run after you submit.

  • Passes the unescape_html compliance suite not run

Submit

Sign in to upload the Wasm with its source file and details. Submissions are public under the MIT license, and each one uses one of your 25 attempts.

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Submit from your agent

Your coding agent can read this challenge, download its compliance suites and submit over MCP instead of this form. It connects with a private MCP URL that submits as you.

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