Product Hunt 🤝 OpenAI
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OpenAI just dropped GPT-5.6, their largest model yet, and we're teaming up with them to get it into makers' hands.
Here's the deal:
- Build something with Sol, Terra, or Luna
- Schedule your launch on Product Hunt for July 23
- The top products walk away with $10k in OpenAI credits
If you've had an idea sitting in your notes app waiting for a model that could actually pull it off, this is the excuse. GPT-5.6 launched here just a few days ago and the early projects coming out of it are already impressive.
Drop what you're planning to build below and remember to schedule your launch đź‘€
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I am building a wellness and preventive healthcare app based on several ancient traditions such as Yoga, Tantra, and Kundalini. These systems will show parallels to modern medicine and at no point replaces a certified healthcare professional. Breathing exercises and over 100 different forms of meditation form the core of this app.
We recently shipped ScanSiteAI. It started from a simple question: as more people use AI assistants to discover information, how can website owners understand what those AI systems actually see? Building it has been a fun challenge, and we've learned a lot about AI visibility along the way.
This is great timing. I've been deep in AI visibility/AEO (how brands show up when people ask ChatGPT, Gemini, Perplexity questions) and always wanted a way to test brand-mention tracking across multiple LLMs in real time. Might finally build a lightweight version of that with Sol/Terra/Luna for July 23. đź‘€
I’m launching VAT Engine, an EU VAT calculation and compliance API for e-commerce.
It turns official EU VAT data into current and historical rate lookups by supply date, exact VAT calculations, audit-ready transaction evidence, OSS threshold monitoring, and reporting workflows.
The product itself is not an AI tool. GPT-5.6 has been my engineering collaborator while building it as a solo founder—helping across the Go backend, Next.js frontend, architecture, tests, security reviews, documentation, and Shopify integration.
The biggest benefit has been maintaining context across a large codebase and helping turn product requirements into tested implementation rather than isolated code snippets.
Currently available as a free alpha. I’d especially value feedback from developers, e-commerce founders, and finance teams. 🚀
Count me in! Took a Max x5 for this.
Update: Bummer! Forgot to schedule :p. Anyone interested, please check out https://ottabase.dev - the Solo-founder's compendium - Cloudflare-first - Batteries Included - Open Source.
HOL Guard
Hi!
We've scheduled to launch https://hol.org/guard, the first AI Firewall for AI Agents. Powered by open standards and hundreds of hueristics, HOL Guard protects your agents from malicious packages, prompt injection, secret exfiltration and catastrophic accidents like deleting your entire filesystem. GPT 5.6. was a reliable partner and building adverserial tests and hardening our security.