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Posts tagged philosophy
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.
Sep 22, 2026
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.
Jun 18, 2026
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.
May 19, 2026
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.
May 12, 2026
Build your own agent.
Scaffold a project and walk through every file it gives you.