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CONNECT

ChatGPT

Needs ChatGPT Plus, Pro, Business, Enterprise or Edu, and developer mode has to be switched on from a browser. Once the connector is added it works in the mobile apps too.

The address

One address, and it is the same one on every platform:

https://paperagent.dev/mcp

Where it goes

Settings → Connectors → Advanced → Developer mode

  1. Open ChatGPT in a browser and go to Settings → Connectors → Advanced.
  2. Switch on Developer mode.
  3. Back in Connectors, choose Create, and paste the address above as the MCP server URL.
  4. ChatGPT signs you in by email the first time it calls a tool that needs an account. get_pricing and validate_address answer before that.

The listed app

PaperAgent is also built as a ChatGPT app — the letter preview, the status timeline and the payment sheet, in the chat rather than in a settings screen. It is running and waiting on review by OpenAI. When it is listed, this is where the link will be, and none of the above will be necessary.

The nine tools, what each one costs you and what it refuses, are on the docs page.