Writer open-sources Compound Writing: a two-year AI writing system packaged as an agent plugin

every · x · 2026-09-03

Professional writer Katie Parrott turned to ChatGPT two years ago because she couldn't afford a career coach; she has now open-sourced the system that grew out of it as Compound Writing — a plugin of reusable instructions for AI agents like Claude Code and Codex. Key ideas:- Good writing starts with good ingredients, not clever prompts: she built her AI habits on audience personas, brand positioning, and differentiators before "context engineering" had a name- Handing grunt work to AI freed her to focus on bigger questions and rekindled her love of writing- The goal is compounding: each writing session should be smoother than the last, with no restarting from zeroComes with a full guide and podcast conversation; any writer can adopt it.

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