ChatGPT x402 Toolbox get_normalized_gas
How to: ChatGPT x402 Toolbox get_normalized_gas
Add x402 Toolbox to ChatGPT
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01
Open Settings → Connectors → Advanced → Developer mode and merge this in. Keep any servers already there.
https://lab.paidapis.net/mcp-
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Save the file and restart ChatGPT.
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Ask for something get_normalized_gas does. ChatGPT lists the server's tools on connect and calls get_normalized_gas itself — you do not invoke it by name.
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04
If nothing happens, check the server is running and that x402 Toolbox'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 24 September 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.