We Build AI Infrastructure
That Actually Gets Used
Kesslernity builds managed prompt libraries for companies that want AI adoption to scale beyond their early adopters. We handle the building and maintenance. Your team gets results.
Two Products. One Mission.
nerdychefs.ai
Our free, public prompt library. Available to everyone. This is what your private library will look and feel like.
- ✓Public access, free forever
- ✓Comprehensive prompt collection
- ✓Same platform as enterprise
Private Libraries
Your company's own prompt library. Same platform, but private, branded, and maintained by us.
- ✓Private, team-only access
- ✓Your branding & domain
- ✓Ongoing maintenance included
Why Managed Prompt Libraries?
AI models change every few months. What worked in GPT-3.5 doesn't work in GPT-4. What works in GPT-4 will need adjustment for GPT-5.
Most companies treat prompts like disposable sticky notes. We treat them like operational infrastructure—documented, version-controlled, and continuously improved.
The future of work isn't "everyone learns AI." It's "AI works for everyone."
Managed prompt libraries are how you get there. Your AI champions build the prompts. We maintain them. Everyone else just uses them.
Our Principles
Clarity Over Complexity
We build simple tools that work. No bloated platforms, no feature creep. Just prompts, organized and ready.
Outcomes Over Activity
We measure success by your results, not our deliverables. If your team isn't getting value, we're not doing our job.
Partnership Over Projects
Long-term relationships beat one-off transactions. We succeed when you succeed—that's the deal.
Expertise Should Multiply
One expert should enable hundreds. A prompt library lets your AI champions share their knowledge with everyone.
Mathieu Kessler
Mathieu Kessler
Founder & AI Solutions Architect
I've spent 15+ years building cloud infrastructure—servers, pipelines, automation. The invisible machinery that makes businesses run.
When AI tools went mainstream, I saw the same gap I'd seen in every tech adoption cycle: early adopters thrive, everyone else waits. The problem wasn't intelligence—it was access. People didn't know what to type into the box.
So I started building prompt libraries. First for myself, then for clients, then as a product. That's Kesslernity: infrastructure that makes AI accessible to everyone in your organization, not just the tech-forward few.
A Note on "We"
Kesslernity is founder-led. When you work with us, you're working directly with Mathieu. The "we" reflects the network of specialists we bring in for specific projects—designers, developers, and domain experts—but you'll always have a single point of contact. That's not a bug. It's a feature.
Ready to See It In Action?
Try nerdychefs.ai for free, or book a call to see what a private library looks like.