Posts tagged philosophy
Essay · 27 min
20 questions on AI Engineering in 2026 and forward
Twenty questions every AI engineer has to answer, from state and approvals to evals and deployment, in LangGraph with Python and B4.run with TypeScript.
Essay · 12 min
What is a software factory?
Software factory is a buzzword again. Here is what the term meant in 1968, what it means in 2026, and what we learned building one with B4.run.
Essay · 6 min
Eve and B4.run: Choosing an agent framework
Eve and B4.run both organize agents as files. Here is what that structure gives us, and how to compare the client, runtime and deployment choices.
Essay · 7 min
The App Router for AI Agents
Learn how B4.run uses file-system routes, typed tools, planning, skills and subagents to organize a LangGraph.js agent application.
Essay · 7 min
Why we built B4.run
B4.run is a TypeScript framework for LangGraph.js agents. Here is the problem it solves and its conventions: file-system routes, local tools and typegen.
Build your own agent.
Scaffold a project and walk through every file it gives you.