Rate Ranger MCP Server

by rateranger Your server? Claim it

answering

Rate Ranger is answering right now. Last checked 12 min ago. It exposes 2 tools. Last commit 3 Sep 2026.

Watch a hotel's price after your user booked it, and email them when it drops enough to rebook.

Uptime history 19 days of history

19 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

653 ms

Response time

average over 24h

Stars

last commit 3 Sep 2026

Nothing serious here today

Today is the operative word: we check Rate Ranger every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add hotel-price-monitor --transport http https://www.rateranger.io/api/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "hotel-price-monitor": {
      "url": "https://www.rateranger.io/api/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.hotel-price-monitor]
url = "https://www.rateranger.io/api/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "hotel-price-monitor": {
      "url": "https://www.rateranger.io/api/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "hotel-price-monitor": {
      "url": "https://www.rateranger.io/api/mcp"
    }
  }
}

Available tools 2

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

hotel

check_hotel_booking

Check one booking you submitted, using the read token returned at submission. Use it to find out whether the traveller has confirmed yet: `confirmed` is false until they click the emailed link, and while it is false nothing is being monitored. Check here before telling your user their booking is being tracked.

submit

submit_hotel_booking

Enrol a hotel booking the traveller has ALREADY made into free price monitoring. Rate Ranger watches what the hotel charges for the same dates and emails them if it drops far enough to be worth rebooking. IMPORTANT: this monitors nothing on its own. The traveller is emailed one confirmation link, and no price is checked until they click it. Tell your user to expect that email. Do not tell them the booking is being tracked until check_hotel_booking says it is. Unconfirmed bookings are deleted after 7 days. Use this only for a booking that already exists. It does not search for or make reservations.

Endpoints

URL	Transport	State	Latency	Checked
https://www.rateranger.io/api/mcp	streamable-http	answering	483 ms	12 min ago

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Rate Ranger — questions

Answers built from our own checks of this server.

What can Rate Ranger do?

It exposes 2 tools, read directly from the server on our last check. Among them: check_hotel_booking, submit_hotel_booking. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Rate Ranger working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 653 ms. The bar chart above shows every period we have measured.

How do I connect Rate Ranger?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Rate Ranger need an API key?

No. Rate Ranger completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 2 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Rate Ranger?

It answers our handshake in 653 ms on average, which is faster than 20% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Rate Ranger open source?

We cannot say either way: 0 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.