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ChatGPT FetchSandbox quickrun

How to: ChatGPT FetchSandbox quickrun

client:ChatGPT transport:streamable-http tool:quickrun

Add FetchSandbox to ChatGPT

  1. 01

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

https://fetchsandbox.com/mcp/v1
  1. 02

    Save the file and restart ChatGPT.

  2. 03

    Ask for something quickrun does. ChatGPT lists the server's tools on connect and calls quickrun itself — you do not invoke it by name.

  3. 04

    If nothing happens, check the server is running and that FetchSandbox'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

Set these first

FetchSandbox will not start until these are set, so quickrun never becomes available.

  • FETCHSANDBOX_API_KEY
  • FETCHSANDBOX_TELEMETRY
  • FETCHSANDBOX_BASE_URL

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.