San Francisco, CA
Conferences & Summits

The Multiplayer Coding Hackathon

When
America/Los_Angeles (PDT)until 6:00 PM
Where
San Francisco, CASan Francisco, CA

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The Multiplayer Coding Hackathon

The Multiplayer Coding Hackathon takes place on Sat, Oct 3, 2026 at 9:00 AM (PDT) in San Francisco, CA, and runs until 6:00 PM. Entry is free; the listing is on Luma.

About this event

Teams of two to five collaborate in a single shared room using live AI coding agents. Participants steer sessions together while competing for prizes and potential venture capital investment. The event features tracks judged by sponsors with no entry fee.

Full description from organizer

Most hackathons are a room full of people, each one alone with their own AI agent. This one is built the other way round. Your whole team works in a single shared Coshell drive, steering live AI agent sessions together. Every prompt has a name on it. Teams of 2 to 5 only. In person in San Francisco. One day, one clock, one room of 150. Tracks and prizes from assistant-ui and more, judged by the sponsors themselves. The grand prize, Best Built Together, comes with a fast-tracked interview for possible VC investment. Free. Details, schedule, and house rules: coshell.ai/hack About the host and sponsors About Coshell: Coshell is a multiplayer cloud terminal for engineering teams working with AI coding agents. Several people prompt the same live agent session inside one shared drive, with the code, a terminal, and a browser preview of the running app. More than 70 models. https://coshell.ai About assistant-ui: assistant-ui is the React library behind production AI chat interfaces: threads, streaming replies, tool-call UIs, and attachments. They are building a multiplayer harness, and they want teams building on it early. https://assistant-ui.com About Wefunder: Wefunder lets anyone invest in the startups they believe in, not just venture funds. https://wefunder.com

Tickets
Luma
Organizer
Coshell
Time zone
PDT
Updated

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Details

When
Sat, Oct 3, 2026 · 9:00 AM (PDT) · until 6:00 PM
Where
San Francisco, CA
Price
Free
Genre
ai
Weather
66°F · ClearForecast at 9:00 AM (PDT)

Questions

When is The Multiplayer Coding Hackathon?
Sat, Oct 3, 2026 at 9:00 AM PDT.
How much are tickets for The Multiplayer Coding Hackathon?
Entry is free.
Where is The Multiplayer Coding Hackathon?
San Francisco, CA.
Where can I buy tickets for The Multiplayer Coding Hackathon?
Tickets are sold on Luma. This page links straight to that listing; no tickets are sold here.
What time does The Multiplayer Coding Hackathon end?
It runs until 6:00 PM.

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