ChatGPT iter0 Resource/iter0 builder
How to: ChatGPT iter0 iter0 builder
Add iter0 to ChatGPT
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01
Open Settings → Connectors → Advanced → Developer mode and merge this in. Keep any servers already there.
https://iter0.com/api/mcp-
02
Save the file and restart ChatGPT.
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03
iter0 builder is surfaced wherever your client lets you attach context. It is context to attach, not an action to run.
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04
If it does not appear, check that iter0 is connected and that you are looking at its resources 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
Same resource, other clients
Read from the server itself, by connecting to it and calling resources/list on 14 November 2026.
A listing does not declare its resources, 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 resource's type and contents.