I Replaced My Entire CI Pipeline with an AI Agent — Here's What Happened

Six weeks ago I let Claude Code loose on our CI pipeline. Not "generate a config file" - I mean full autonomous mode: analyze failures, fix code, re-run tests, open PRs. The Setup Our stack is a Next.js monorepo with 340+ tests, deployed via GitHub Actions. Average CI time was 14 minutes, and about 30% of runs failed on flaky tests or config drift.