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ChatGPT currency converter ecb rates daily keyless Prompt/convert_invoice_lines

How to: ChatGPT currency converter ecb rates daily keyless convert_invoice_lines

client:ChatGPT transport:streamable-http prompt:convert_invoice_lines

Add currency converter ecb rates daily keyless to ChatGPT

  1. 01

    Open Settings → Connectors → Advanced → Developer mode and merge this in. Keep any servers already there.

https://mcp.zovo.one/mcp/currency
  1. 02

    Save the file and restart ChatGPT.

  2. 03

    convert_invoice_lines is surfaced in the connector's menu once the server is linked. Unlike a tool, you invoke it deliberately — ChatGPT will not call it for you.

  3. 04

    If it does not appear, check that currency converter ecb rates daily keyless is connected and that you are looking at its prompts rather than its tools.

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs

Set these first

currency converter ecb rates daily keyless will not start until these are set, so it never reaches ChatGPT.

  • MCP_LICENSE_KEY

Same prompt, other clients

Read from the server itself, by connecting to it and calling prompts/list on 24 September 2026. A listing does not declare its prompts, so asking is the only way to know them, and this is what the server actually offers rather than what its listing claims. Names only are stored; connect the server for each prompt's arguments.