ChatGPT Arbitragex Amazon FBA Calculator (Amazon.de) calculate_amazon_fba_profit
How to: ChatGPT Arbitragex Amazon FBA Calculator (Amazon.de) calculate_amazon_fba_profit
Add Arbitragex Amazon FBA Calculator (Amazon.de) to ChatGPT
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01
Open Settings → Connectors → Advanced → Developer mode and merge this in. Keep any servers already there.
https://arbitragex.de/mcp-
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Save the file and restart ChatGPT.
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03
Ask for something calculate_amazon_fba_profit does. ChatGPT lists the server's tools on connect and calls calculate_amazon_fba_profit itself — you do not invoke it by name.
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04
If nothing happens, check the server is running and that Arbitragex Amazon FBA Calculator (Amazon.de)'s identifier in your config matches the one above exactly.
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs
Same tool, other clients
This list was read from the server itself, by connecting to it and calling tools/list on 9 October 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.