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ChatGPT CipherHUB Cryptography Toolkit cms_enveloped_decrypt

How to: ChatGPT CipherHUB Cryptography Toolkit cms_enveloped_decrypt

client:ChatGPT transport:streamable-http tool:cms_enveloped_decrypt

Add CipherHUB Cryptography Toolkit to ChatGPT

  1. 01

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

https://tools.cipherhub.cloud/cipherhub/mcp
  1. 02

    Save the file and restart ChatGPT.

  2. 03

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

  3. 04

    If nothing happens, check the server is running and that CipherHUB Cryptography Toolkit'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.