Running 4 coding agents on one app: Git worktrees solve the 95% overwrite problem
Roger_M_Taylor · x · 2026-09-15
An indie developer shares his setup for running 4 coding agents in parallel on the same app, using Git worktrees for isolation.
- The problem: agents sharing one branch overwrite each other 95% of the time — e.g. an agent told to speed up API calls reads a landing page another agent is redesigning and rewrites it, deleting the first agent's work.
- The fix: a "new feature" skill writes a rule into agents.md — every new feature starts in a fresh Git worktree branched from origin main.
- In practice: 4 terminal tabs running at once, 3 complete: an email client, a Linux environment, and a landing page update.
The method comes from his "4-step software factory" demonstrated live on the Startup Ideas Podcast: five or six markdown files orchestrating 15 features building simultaneously on one app.
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