🛠️Simon Willison's Agentic Engineering Patterns Guide Grows
TL;DR
Simon Willison is publishing a chapter-by-chapter guide to Agentic Engineering Patterns: practical techniques for coding with agents like Claude Code and OpenAI Codex. New chapters cover Red/Green TDD, linear walkthroughs, and why writing code is now cheap.
Simon Willison is publishing a chapter-by-chapter guide to Agentic Engineering Patterns: practical techniques for coding with agents like Claude Code and OpenAI Codex. New chapters cover Red/Green TDD, linear walkthroughs, and why writing code is now cheap.
Key Points
Loosely modeled on the 1994 Gang of Four Design Patterns format
Recent chapters: 'Writing code is cheap now', 'Red/green TDD', 'Linear walkthroughs'
Targets professional engineers using agents that generate and execute code
New chapters land at roughly 1–2 per week per Willison's own cadence
Companion newsletter post landed June 1 with the May summary
Why It Matters
The first serious patterns book for agentic coding is being written in public, by one of the most credible practitioners. Skim it before your next sprint with Claude Code or Codex if you want fewer reverts.
Quick Facts
Frequently Asked Questions
Why does this matter?
The first serious patterns book for agentic coding is being written in public, by one of the most credible practitioners. Skim it before your next sprint with Claude Code or Codex if you want fewer reverts.
What happened?
Simon Willison is publishing a chapter-by-chapter guide to Agentic Engineering Patterns: practical techniques for coding with agents like Claude Code and OpenAI Codex. New chapters cover Red/Green TDD, linear walkthroughs, and why writing code is now cheap.
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