ratebook for Claude Code

io.github.cbetz/ratebook

Open MCP server for US electricity tariffs: real rate lookup, bill estimates, and when to charge.

client:Claude Code transport:stdio runtime:pypi

Install ratebook in Claude Code

run in your project directory

claude mcp add ratebook -- uvx ratebook-mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs