Composable writing instructions for AI agents on four orthogonal axes (Voice, Tone, Style, Format). Early/experimental. Install via the product-on-purpose marketplace.
Latest release v0.13.0 · 7 Aug 2026
2 files for Codex, OpenCode and Claude Code: writing-style-catalog AGENTS.md, writing-style-catalog CLAUDE.md — 3,076 tokens loaded in every session.
AGENTS.md A 2,493 tok CLAUDE.md A 583 tok These files are product-on-purpose/writing-style-catalog's own configuration — they tell Codex, OpenCode and Claude Code how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.