ratebook
Open MCP server for US electricity tariffs: real rate lookup, bill estimates, and when to charge.
Install
PyPIstdio
uvx ratebook-mcp Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"io-github-cbetz-ratebook": {
"command": "uvx",
"args": [
"ratebook-mcp"
]
}
}
}Source: official MCP Registry record · registry name io.github.cbetz/ratebook · published 2026-06-29 · updated 2026-06-29. Not an endorsement; review the code before connecting it to anything sensitive.