Multi-Agent Project: Build a Codebase with 3 Claude Agents

Every article so far has used one Claude Code session. One terminal, one conversation, one context. That works for small projects, but what about larger codebases where different parts can be built in parallel? Claude Code supports multiple agents working on the same project. You can have one agent building the backend, another building the frontend, and a third writing tests — all at the same time. This article tests whether multi-agent development actually works. Does it save time? What happens when agents step on each other’s code? How do you coordinate? ...

July 2, 2026 · 19 min

Build a Real-Time Chat App with Claude — WebSockets + Auth

Welcome to Part 3: Advanced Projects. We are done with quick builds and half-day apps. Now we tackle complex, multi-component systems. First up: a real-time chat application. WebSockets, authentication, rooms, typing indicators, online presence, message history. This is the kind of project that tests whether Claude can handle multiple moving parts that all need to work together in real time. Total time: 4 hours 38 minutes. 7 prompts. WebSocket auth was the hardest part. ...

July 2, 2026 · 22 min