Presented by
Builderbase Hackathons
One place to run hackathons, accelerators, and sprints. The platform that keeps builders, projects, and momentum long after the event ends.
Hosted By
2 Going
Haunted Hacks: Real-Time AI Edition
Registration
About Event
Come join us for Haunted Hacks to kick off Halloween. Hosted by Terse and Agent Relay, brought to you by OpenAI, Mastra, Supabase and Freestyle at the YC office in San Francisco.
To take part, request your spot on the YC event page: https://events.ycombinator.com/haunted-hacks-2026 . Registration happens there, not on Luma. YC will reach out with details if they are able to confirm your attendance.
Every participant gets $100 in OpenAI API credits and $25 in Supabase credits. Lunch, snacks, candy, swag, coffee and prizes are all included, including a guaranteed YC interview for the overall winner. Teams of up to 4. Doors open at 10am, hacking starts at 11am, and awards are at 5pm.
Presented by
Builderbase Hackathons
One place to run hackathons, accelerators, and sprints. The platform that keeps builders, projects, and momentum long after the event ends.
Hosted By
2 Going