In a previous article, we introduced an environment for parallel execution of coding agents using Git worktrees. This article is a follow-up. As we progressed with parallelization, we ended up with 3-5 Claude Code sessions simultaneously developing the same microservices. What happened was no longer just "parallel execution of tools" but actual "team development".
All the issues that arise in human teams—miscommunication, deployment conflicts, and territorial overlaps—occur here as well. And the practices that work for human teams work almost identically here. We’ll share seven recipes that emerged from actual operations, along with real-life close calls.
Real-Life Story: Averting a Deployment Rollback Disaster at the Last Minute
One day, while Session A (responsible for voice functionality) was in the middle of a major refactor, Session B (responsible for streaming functionality) sent this message:
"We’re about to build the frontend as version 1.0.399 (based on main)."
