Open database of US electricity tariffs, a deterministic rate engine, and an MCP server — so any app, device, or agent can answer: what will this kWh cost, and when should I charge?
Latest release v0.2.0 — Ratebook v0.2.0 · 1 Jul 2026
1 file for Claude Code: ratebook CLAUDE.md — 897 tokens loaded in every session.
CLAUDE.md A 897 tok These files are cbetz/ratebook's own configuration — they tell 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.