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PatchArena is a security-patching agent built for the AMD Developer Hackathon: ACT III. Fixing a vulnerability is slow because someone has to reproduce the bug, write a patch, and prove it works without breaking anything else. PatchArena automates that loop and runs it as a tournament. Given a vulnerability report and a Python repository, it first writes an exploit test that must fail on the original code. It then asks an open-weight coder model, self-hosted on AMD GPUs with ROCm and vLLM, to generate many candidate patches in parallel, each with a different fixing strategy. Every candidate runs in its own sandbox and must pass four checks: it runs, it blocks the exploit, the full existing test suite stays green, and it leaves tests and CI files untouched. The smallest verified patch becomes a pull request with the evidence attached. If no candidate survives, PatchArena flags the issue for a human instead of guessing. A live dashboard shows candidates racing and failing in real time, along with model throughput. Every pull request still needs human review before merge.

🌎 Hybrid Hackathon | 💻 Online Build: 12-17 October 2026 | On-site phase: 17-18 October 2026 To participate in the hackathon, simply click Sign up with AMD. If you are not already a member of the AMD AI Developer Program (ADP), you will need to create an account. The AMD Developer Hackathon: ACT III is a hands-on event for developers, founders, engineers and builders who want to push what’s possible with AI on real infrastructure. 📍 If approved for the on-site experience, you'll also have the opportunity to showcase your project live. Travel and accommodation will not be covered.

Grab your ideas, spin up compute, and start building what’s next! Start with $100 in AMD Developer Cloud credits and begin building right away. Get access to hands-on tutorials, workshops, and curated learning resources to help you build faster and go further. To unlock credits and join the hackathon, sign up for the AMD AI Developer Program. 🤝 Go solo or team up — ship something real. 💰 $21,500+ total prize pool & 1 × AMD Radeon™ AI PRO R9700 GPU up for grabs. 📍 On-site Venue (May 9-10): MindsDB SF AI Collective 3154 17th St, San Francisco, California, USA 📍On-site participation is by invitation only. Travel and accommodation expenses will not be covered. 🧑‍💻 Developers, builders, and innovators - bring your boldest ideas and let’s turn them into real AI systems on AMD.