Simon W.

Co-creator of a major web framework; creator of widely-used open-source data and LLM tools; most-cited independent blogger on practical LLM tooling and AI-assisted coding.

Articles

20 min

Total reading time

Codex Prompts: Master the GPT-5.2 Agentic CLI Guide

"Strong codex prompts give coding models the same thing great engineers give each other: clear outcomes, real context, and tight boundaries."

Master the latest GPT-5.2-Codex prompts for the OpenAI CLI. Learn to use agents.md, apply_patch tools, and compaction to build autonomous software agents.

Claude Code Best Practices: A Guide to Agentic Coding

"The goal of claude code best practices is simple: keep the speed, but make outputs predictable, testable, and safe to ship."

Master Claude Code best practices to build production-ready software. Learn how to optimize CLAUDE.md, manage context, and use agentic workflows with the CLI.