Search for affordable premium and luxury cruise fares
ChatGPT is OpenAI's assistant. It can add custom MCP servers as plugins, which lets it call your tools from a conversation.
This guide connects Premium Cruise Fares MCP to ChatGPT through MewCP, so ChatGPT can use Premium Cruise Fares MCP's 2 tools, like describe_rates and search_rates.
Premium Cruise Fares MCP needs no credentials, but every call still runs through MewCP: scoped, checked and logged like any other.
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Other clients
Premium Cruise Fares MCP works the same way in every client below. Pick yours for its own guide.
Free to start.
Scope access to the exact Premium Cruise Fares MCP tools and accounts you allow, work and personal side by side. Anything outside that scope is refused at call time, even when the model asks for it.
Each call is logged: what ran, on which account, and whether it worked. Failures come back structured, so the agent knows whether to retry instead of guessing.
Every app sits behind one secure MCP URL, and there is no server for you to deploy or keep running. Add an integration in the dashboard and it is live on the next call, with no config to change and no new credentials to wire up. Tools load only when a task needs them, so your agent stays fast and focused however many apps you connect.
In ChatGPT, open Plugins and choose Add custom MCP.
Name it "mewcp" and paste the server URL.
Click Connect. A sign-in window opens; sign in to MewCP and approve access. No API key needed.
Start a new chat and ask: "List the tools you can use from MewCP." You should see your connected apps.
Describe the latest published crawl: crawl date, row count, and the real line, source, ship, and rate values. Call this before search_rates when an exact line, source, or ship name is unknown. Prices are not converted between currencies.
Search the latest published cruise fares. This is the full crawl, including Contitrans and Crusit. Empty line, source, ship, or rate means all of that dimension. Values within one of those filters are OR; filters combine with AND. title, line, source, ship, rate, and sort ignore case. title is a substring. line, source, and ship must otherwise match describe_rates. nights, price, and ppd are inclusive min-max strings such as "8-14". departs is inclusive YYYY-MM-DD..YYYY-MM-DD. sort is field:asc or field:desc, comma-separated. Sort fields are title, cruiseline (line), source_label (source), ship, date, number_of_days (nights), lowest_price (price), price_per_day (ppd), and comment (rate). The default sort is Ultra, then All included, then Economy, then cheapest per night. Each row's price stays in its own currency.
