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Posts tagged patterns
Essay · 14 min
First-class CopilotKit: how B4.run fills the chat slots
Learn how B4.run fills CopilotKit v2's chat slots so every agent turn renders as one readable block, in React and in Angular.
Oct 19, 2026
Essay · 25 min
How we built navlog, a flight-planning agent
A tour of navlog, our VFR flight planner for a Cessna 172N: the agent, the tools that do the math, the map, and the open source it runs on.
Oct 10, 2026
Essay · 23 min
Build a code-fixing agent you can read
Follow a B4.run agent from a failing CLI test through a Docker workspace, independent checks, and approval of the exact change.
Sep 15, 2026
Essay · 9 min
B4.run at the edge: The Hono target
B4.run's opt-in Hono target emits a Node-free Cloudflare Workers entry with request-scoped Postgres stores and a tested workerd subset.
Aug 9, 2026
Build your own agent.
Scaffold a project and walk through every file it gives you.