How to Build an AI Software Factory: Agents That Open, Review, and Merge PRs

Blog How to Build an AI Software Factory: Agents That Open, Review, and Merge PRs Hiba Fathima Sep 11, 2026 TL;DR An AI software factory is five stages with a gate at each one. The agent is the cheap part.

The short version: every company that made this work built the gates before the fleet. Spotify's Fleetshift shipped in 2023, two years before it had an agent to put in it. Generation scales with spend, review does not, and that asymmetry is the whole design problem.

Where Firecrawl fits. Agents need live web context the repo does not carry. Search + scrape for the open web and a curated developer index for code, both behind one MCP block , with prompt injection detection on every fetch.