Register
Register individually or with a team.
CharlestonHacks presents
HarborHack 2026: Agent in the Loop
A weekend hackathon where every team builds a project with an AI agent as a teammate.
The agent is a persistent synthetic teammate that can retain project context and contribute throughout the weekend; humans remain responsible for direction and final decisions.
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How it works
From registration to live demo
Build a software, hardware, robotics, AI, developer-tool, creative-technology, or research prototype. Your team decides how the AI agent contributes, while people lead the work and present the result.
Plan
Form your team, choose a project, and decide how your AI agent will participate.
Build and present
Build during HarborHack, submit on Devpost, and present the project live.
Schedule
Event schedule
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FAQ
Before you register
Who can participate?
Builders interested in software, hardware, robotics, AI systems, developer tools, creative technology, or research prototypes are welcome.
Do I need a team before arriving?
No. You may register individually or with a team.
How large can teams be?
Teams may have 1–4 people. The AI agent does not count toward that limit.
Must every team use an AI agent?
Yes. Every team works with a persistent AI agent. People still set the direction, review the work, and make final decisions.
Which AI tools may teams use?
Teams may use Claude, Codex, Gemini, GPT-based tools, open-source agents, and other specialist tools alongside their AI teammate.
What should participants bring?
Bring a laptop, charger, headphones, your development tools, Git access, and any hardware your project needs.
What must teams submit?
Submit a functional prototype on Devpost by 5:00 PM EDT on Sunday, October 25. Include a project description, source-repository access whenever possible, your AI collaboration story, and be ready to present live.
Is a prerecorded video required?
No prerecorded project video is required.
How do live presentations work?
Teams present their project live. Plan for a 5-minute presentation followed by 3 minutes of judge Q&A, beginning at 6:00 PM EDT on Sunday.
Ready to build?