The WebMCP Challenge submission checklist, without deadline surprises
A practical field guide to the live app, public source, demo, evidence, and freeze discipline the challenge expects.
The short version: Submission readiness is a reproducible judge journey, not merely a form filled in before the deadline.
Confirm the required assets
Devpost currently lists a working hosted project, a description of the WebMCP fit and capability, a public code repository with an open-source license, and a short demo video. Read the live rules again before submitting because event requirements can change.
Design the judge path
Give reviewers one clear starting URL, a representative prompt or task, any required authentication instructions, and an observable success state. Verify the path from another machine or clean browser. Do not depend on local data, an uncommitted file, or an undocumented feature flag.
Show proof, not only claims
Demonstrate the registered tool, the visible application state before and after the call, and the final postcondition. Explain what is source-visible, what was observed at runtime, and what was measured. Call out synthetic fixtures and remaining limitations.
Make the submitted repository reviewable
The challenge FAQ says the source repository must be public and include an open-source license. Add setup instructions, architecture, supported test environment, security notes, and the exact commit or tag demonstrated in the video. Remove secrets and confirm a clean clone can build.
Respect the judging freeze
The current FAQ says not to edit the Devpost submission, repository, or live site after submissions close on September 3 at 1:00 PM Pacific until winners are announced. Pause deployment automations before that cutoff. Continue experiments only in a separate fork that cannot change the submitted artifact.
Evidence note. The isWebMCP hourly monitor is designed to stop publishing changes at the challenge cutoff while continuing read-only observation.
Primary references
Read the sources
Put it to work
Use the guide on a real product surface.