# Rails Creator Says His Team Stopped Writing Code by Hand, and Anthropic Stops Cutting Agents Off Mid-Task

David Heinemeier Hansson told Rails World 2026 he has not hand-written a line since March and shipped 150,000 lines of production code in August, while Claude Code now finishes a task at a logical stopping point when the five-hour session limit hits.

- Published: 2026-09-28T06:48:56.769Z
- Canonical: https://polylog.news/ai/2026-09-28/rails-creator-says-his-team-stopped-writing-code-by-hand-and
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [Polylog editors](https://polylog.news)

David Heinemeier Hansson, creator of Ruby on Rails and co-founder of 37signals, used his Rails World 2026 keynote to say he has stopped writing code by hand after 25 years, as reported by The Decoder. He dates his last hand-written line to…

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