Open MCP server for US electricity tariffs: real rate lookup, bill estimates, and when to charge.
Not monetized yet
Turn Ratebook’s tool calls into revenue: one disclosed sponsored slot, 70% revenue share, fail-open by design.
Install Ratebook
For anyone using Ratebook — no Lulu account needed# stdio server — install per the repository README: https://github.com/cbetz/ratebook
Real-time weather for any city, built on the lulu-ads widget gallery. First-party, free forever.
View server →FAQ
Ratebook installs from source — follow the repository README.
Submitted directly to Lulu MCPs.
15 out of 100, computed from cross-registry traction signals (installs, stars, registry presence) — never influenced by sponsorship.
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Works well together