VCN #44: The Loop

the vibe

Every coding agent is a while-loop. Build yours this morning. Claude Code, Cline, Cursor agents, under the hood they all run the same shape: plan, act, observe, repeat. Pull the model, call a tool, read the result, decide what's next, loop until done. That's it. No magic. Once you've built the loop yourself you stop guessing what your agent is doing and start steering it. VCN #44: The Loop is the Saturday-morning sprint where we build a coding agent from scratch in about 100 lines. Format: The shape. plan to act to observe. The while-loop harness, the ReAct pattern, what a "turn" actually is. Tool-calling. Wire the model to real tools. Read a file, run a command, see the output come back into context. The hard parts. Context management, stop conditions, when to loop again and when to quit. The stuff that separates a toy from a thing that finishes a task. Run it for real. z.ai + Claude Code is the model behind your loop. Nebius Token Factory credits run it. You watch your own 100 lines drive an agent end to end. By 1pm you have a tiny coding-agent loop you understand completely. You demystified what the big tools do. You leave with the code. Builders only. Bring a laptop and a task you want your loop to attempt. Doors 10am. Build sprint 10:15. Frontier Tower Floor 9. Hosted by Vibe Coding Nights: Rayyan Zahid (Immersive Commons), Michalis Vasileiadis (Hacker Bob), Eric Mockler (AI Geneticist), Devinder Sodhi (Learning Layer Labs). Facilitator: Rayyan Zahid. Guest speaker TBD…