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EmniAi Connector in ChatGPT

ChatGPT connects to EmniAi Connector as a custom MCP server. This is done in the web version of ChatGPT.

https://mcp.emni.se/mcp
Plans. Custom MCP servers require developer mode in ChatGPT. Which plans may use writing tools is decided by OpenAI – today mainly Business, Enterprise and Edu, while other plans may be limited to reading. Check OpenAI’s help pages for your plan.

Personal account

  1. 1

    Turn on developer mode

    Go to Settings → Apps (Apps & Connectors) → Advanced settings and turn on Developer mode.

  2. 2

    Create the app

    Choose Create / Add a custom MCP server. Fill in:

    • Name: EmniAi Connector
    • Description: Fortnox bookkeeping
    • MCP server URL: https://mcp.emni.se/mcp
    • Authentication: OAuth

    Leave client ID and secret empty – ChatGPT registers itself. Confirm that you trust the app and click Create.

  3. 3

    Log in and pick companies

    ChatGPT opens EmniAi Connector’s approval page. Log in with a code sent to your email, connect companies with your Fortnox login and click Klar – koppla (done – connect).

  4. 4

    Use it in a conversation

    Start a new conversation, click + → More → Developer mode and choose EmniAi Connector. Ask, for example, “Which companies have I connected?”

Business, Enterprise and Edu

  1. 1

    The admin allows developer mode

    An admin turns on developer mode / custom apps for the workspace in the admin settings.

  2. 2

    The app is created and published

    The admin (or an authorised user) creates the app with the address https://mcp.emni.se/mcp as above and makes it available to the workspace.

  3. 3

    Each user logs in

    Each user connects and logs in with their own Fortnox user.

Connect more companies

Write “Connect a new company”. You get a personal link valid for 15 minutes – open it and log in to Fortnox with the other company.

Approvals

ChatGPT asks for confirmation before a writing tool runs. Read through what will be sent to Fortnox before you approve.

Not working? See troubleshooting or email hej@emni.se.