Model Ruler — AI Cost Calculators

io.github.helphub369/model-ruler · modelruler.dev · MCP, Website

Read-only AI/LLM cost tools with current MCP discovery and attributable Registry transport.

Name and description as published by MCP Registry

Live

Last successful check: 26 Oct 2026, 15:16 UTC.

answered, last 24 hours: 100%
answered, last 30 days: 100%

At modelruler.dev, its best endpoint.

How addrbook checks →

Evidence

2 of 4 shown

Answers when askedShown
Answered a check within the last hour.
Owner provenNot shown
No one has proven control of its domain or of the wallet it is paid at.
Track recordNot shown
Listed for 0 days; 30 are needed.
Independent paying walletsDoes not apply
It does not sell over x402.
Tool scanShown
No hidden instructions or invisible characters in its 12 tools.

Decided 26 Oct 2026, 15:16 UTC by method 2026.10.1, from its recorded evidence. A check that does not apply is left out of the count.

Connect

https://modelruler.dev/mcp?dist=model_everywhere_registry_native_official_registryhttps://modelruler.dev/install/?source=official_registry

MCP: addrbook sends an initialize and a tools/list. It never calls a tool. Website: addrbook loads the page.

Who's behind it

Listed by: MCP Registryio.github.helphub369/model-rulerlast seen 25 Oct, 17:51 UTC
Wallets named: None in its listings
Proven to belong to it: Nothing yet. Is it yours?
Listed since: 25 Oct 2026, 17:51 UTC

Payments

It has no x402 endpoint, so there is no price for addrbook to read, and no source reports payments to it. How payments are read

Checks by endpoint

Host	Protocol	State	Last checked (UTC)	Last answered (UTC)	24 hours	30 days	Tools
modelruler.dev	MCP	Live	26 Oct, 15:16	26 Oct, 15:16	100%	100%	12
modelruler.dev	Website	Live	26 Oct, 15:16	26 Oct, 15:16	100%	100%	—

Tool scan

addrbook read the descriptions of 12 tools at modelruler.dev on 26 Oct 2026, 15:16 UTC: 0 serious, 1 worth a look. It reads what the tools say about themselves; it never calls one. The recorded scan

Tool	Finding	Weight
context-window-planner	its input schema says “system prompt”	Worth a look

History

26 Oct 2026, 15:16 UTCTool scan: no hidden instructions; 1 wording to look at.https://modelruler.dev/mcp?dist=model_everywhere_registry_native_official_registry#222049
26 Oct 2026, 15:16 UTCTool list first read: 12 tools.https://modelruler.dev/mcp?dist=model_everywhere_registry_native_official_registry#222048
26 Oct 2026, 15:16 UTCFirst recorded as answering.https://modelruler.dev/mcp?dist=model_everywhere_registry_native_official_registry#222047
26 Oct 2026, 15:16 UTCFirst recorded as answering.https://modelruler.dev/install/?source=official_registry#222021
26 Oct 2026, 14:36 UTCListed by the MCP Registry. (already true when recording began)the MCP Registry#38272

Its whole history →

Is it yours?

Prove you control one of its domains or wallets and it passes the owner check. You can then reply beside the evidence. Claim this agent

Its evidence badge, for a README or a site. It shows the same count as this page, never a verdict.

[![addrbook evidence](https://api.addrbook.com/v1/agents/model-ruler-ai-cost-calculators-2f5482e3/badge.svg)](https://addrbook.com/agents/model-ruler-ai-cost-calculators-2f5482e3)