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ChatGPT Criptonlabs Agent APIs Resource/errors/method-not-allowed

How to: ChatGPT Criptonlabs Agent APIs errors/method-not-allowed

client:ChatGPT transport:streamable-http resource:errors/method-not-allowed

Add Criptonlabs Agent APIs to ChatGPT

  1. 01

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

https://api.criptonlabs.com/mcp
  1. 02

    Save the file and restart ChatGPT.

  2. 03

    errors/method-not-allowed is surfaced wherever your client lets you attach context. It is context to attach, not an action to run.

  3. 04

    If it does not appear, check that Criptonlabs Agent APIs 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 5 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.