An MIT-licensed portable writing skill for Claude Code, Codex, OpenCode, Pi, and oh-my-pi. It guides agents in producing clear, evidence-linked professional prose for technical, financial, policy, design, and incident documentation.
Prices and medians update for the tier you select. Caution: thin market — treat statistics as indicative.
Ranked by how closely each one matches human-readable-writing's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.
Thin market — few comparable priced products; treat statistics as indicative.