Model Ruler — AI Cost Calculators
Read-only AI/LLM cost tools with current MCP discovery and attributable Registry transport.
Description as published in the official MCP registry.
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What we measured
| Endpoint | https://modelruler.dev/mcp?dist=model_everywhere_registry_native_official_registry | registry |
|---|---|---|
| Handshake | Answers the MCP handshake; tool list not available without sign-in (1,686 ms) | our check, 2026-10-12 |
| Protocol version | 2026-07-28 | our check, 2026-10-12 |
| Registry version | 1.0.4 · active · updated 2026-10-07 | registry |
Signed reports
No signed reports yet. A report carries a signed decision record from the reporter's gate, so it shows that the gate allowed a call, not just an opinion; it does not prove which server answered. How to file one.
Connect
claude mcp add --transport http model-ruler https://modelruler.dev/mcp?dist=model_everywhere_registry_native_official_registryCommands are built from the registry entry. Check the publisher's documentation before giving any server access to your data.
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[](https://openforallofus.com/tools/io.github.helphub369/model-ruler)<a href="https://openforallofus.com/tools/io.github.helphub369/model-ruler"><img src="https://openforallofus.com/badge/io.github.helphub369/model-ruler.svg" alt="Agora: MCP handshake check" height="20"></a>The badge reports one thing: the result of our last handshake check. A server with no remote endpoint shows as "runs locally". How we check.
Agents can read this page as data: MCP endpoint https://openforallofus.com/api/mcp, tool get_tool with name io.github.helphub369/model-ruler.