The complete craft of building with AI
The Builder's Stack.
A working education for people who build with AI: the technology underneath the tools, the skill of working with models, and the human factors that decide whether people trust what you ship. Practical, current, and written to be used.
- 0/7Part I
The Software Map
The big picture of how software actually works.
0/7Part IIThe Technology Stack
The layers every product is built from.
0/7Part IIIThe Model Layer
Scope your build and wire in the model, one rung at a time.
0/6Part IVYour Build
Choose the model you ship, run the pre-flight, and learn from real use.
- 0/8Part I
Human Factors
Designing for the person on the other side of the model, using cognitive science principles.
0/8Part IIEvals
Measure whether your AI is actually any good.
0/8Part IIIAgentic systems
When your product starts doing things, not just saying them.
0/8Part IVSecurity
Defend your product before attackers test it for you.
- 0/8Part I
Orchestration
Running agent fleets in parallel.
0/8Part IIAI in high-stakes industries
Shipping AI into finance, healthcare, and law.
0/8Part IIIContext & Memory
Deciding what your product knows and remembers.
0/8Part IVThe Unit Economics of AI
Making every answer cost less than it is worth.
0/8Part VWhen Your Users Are Agents
Designing your product for the agents that act on behalf of people.