Agentic Engineering Patterns - Simon Willison's Weblog
Agentic Engineering Patterns
Patterns for getting the best results out of coding agents like Claude Code and OpenAI Codex. See my introduction for more on this project.
Principles
Writing code is cheap now
Hoard things you know how to do
Testing and QA
Red/green TDD
First run the tests
Understanding code
Linear walkthroughs
Interactive explanations
Annotated prompts
GIF optimization tool using WebAssembly and Gifsicle
Appendix
Prompts I use...
Read more at simonwillison.net