Stanford vs Berkeley · The Big Hack Game · Up to $10,000 in Cash Prizes · Kickoffs on Both Campuses

📍 Two kickoff hubs on Nov 15. Join the one on your campus, no travel needed.
🌲 Stanford: Hillel at Stanford (565 mayfield ave), 2:30-6:30PM
🐻 Berkeley: Cal Alumni House, UC Berkeley, 10 AM–1 PM PT.

🗓️ Timeline
▸ Nov 15–19 · Kickoff & build week
▸ Nov 20 · In-person Demo Day & Judging
Ship an AI agent people pay for.
The Big Hack Game is the campus showdown before the Big Game: build, launch, and grow an AI product with real users, solve real problems from enterprise teams, and win it for your school.
🎁 WHAT YOU GET
💼 Job referrals
🧑‍🏫 Mentorship from YC-backed teams
🧋 Free boba at Campus kickoff!!
Extras for winners:
1:1 office hours with top VCs
1:1 YC application mentorship from founders in recent YC batches
Winners get 1 free startup legal consultation sessions from Magstone Law (magstonelaw.com)
💰 PRIZE POOL: $5,000 GUARANTEED, UP TO $10,000
For every 100 attendees, we add $1,000 to the pool, up to $10,000. Invite your friends to apply and grow the pot!
🏆 AWARDS (share of the final prize pool)
Grand Champion: 30% ($1,500–$3,000)
Real Customer Award: 20% ($1,000–$2,000), VC 1:1
Distribution & Impact: 20% ($1,000–$2,000)
School Cup: 20% ($1,000–$2,000), shared among the winning school's winning teams and its school ambassador
Best Build Log: 10% ($500–$1,000), shared among the top five
⚖️ JUDGES Judges include YC founders and builders from Microsoft, OpenAI, and Perplexity.
Full judge lineup coming soon.
🎓 WHO CAN JOIN
Stanford and Berkeley students and alumni
Industry experts from enterprise AI teams who can bring real-world problems. We'll match experts with student and alumni teams.
Please apply with your school or work email if you have one; a personal email is fine otherwise.
⚙️ ABOUT HARNESSROUTER
HarnessRouter is a unified interface for agent harnesses that turns them into building blocks for your AI product. Ship production-ready AI features in hours, with no harness engineering, no deployment hassle, and no complex integration across models, harnesses, and sandboxes. By picking the best harness × model combination for each task, it can cut token costs by over 90%. Past hackathon builders shipped in hours and got their first paying customer within a week.
⚙️ ABOUT MagStone Law LLP
MagStone Law LLP helps turn big ideas into real companies. From launching your first startup to raising venture capital and scaling your business, we guide founders through every stage of their entrepreneurial journey. We also help venture capital firms build funds and invest in the next generation of startups.
Organized by HarnessRouter Labs (YC-backed).
Sponsored by MagStone Law LLP、OppyAI Inc.