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Connect ChatGPT

ChatGPT connects to Passion with your Passion account. You do not need an API key.

Before you start

Section titled “Before you start”
  • You use ChatGPT Business, Enterprise or Edu. Other ChatGPT plans cannot add a custom MCP server.
  • On Business, only workspace admins and owners can add one. On Enterprise and Edu, admins can also give the permission Create plugins with MCPs to other members.
  • You use ChatGPT on the web, at chatgpt.com. The ChatGPT mobile apps cannot add a custom MCP server.
  • You own a Passion App and can sign in to Passion Studio.

Connect

Section titled “Connect”

  1. Go to Plugins in ChatGPT.

  2. Click the + button, then Add custom MCP server.

  3. For the name, enter Passion.

  4. Under Connection, for the server URL, enter:

    https://api.passion.io/mcp/chatgpt

    This is ChatGPT’s own Passion address. It has every Passion tool except the three general tools that search and run any API operation, which ChatGPT does not allow.

  5. For authentication, choose OAuth.

  6. Read the risk warning and tick I understand and want to continue.

  7. Click Create as a plugin. When ChatGPT asks you to sign in, a Passion page opens.

  8. If you are not signed in to Passion Studio, sign in.

  9. The page asks you to connect ChatGPT to Passion:

    • Under Apps ChatGPT can use, tick the Apps ChatGPT may use.
    • Under What ChatGPT can do, choose Read only (ChatGPT sees your App’s data and changes nothing) or Full access (ChatGPT can also make changes, such as posting to a community).

  10. Click Allow. You go back to ChatGPT. It shows the Passion tools it found.

  11. Install the Passion plugin.

When Passion can confirm the request comes from ChatGPT, the page shows a Verified mark. If the page warns that Passion can’t confirm who made the app, and you did not just start this from ChatGPT, click Deny.

To give Passion to your whole workspace, an admin or owner publishes it. See OpenAI’s article below.

Use it

Section titled “Use it”

Start a new chat, type @, and choose Passion. Then ask, for example:

Give me an overview of my App.

Choosing Passion applies to one message. Type @Passion again when a later question needs new data from Passion.

Before ChatGPT runs a tool that makes changes, it can ask you. Read what it will do before you agree.

Disconnect

Section titled “Disconnect”
  • In Passion Studio: open Settings › Integrations. Under Connected apps, click Revoke next to ChatGPT. ChatGPT can no longer reach your App.
  • In ChatGPT: remove the Passion plugin from Plugins.

To change the Apps or the access, revoke the connection in Studio, then connect again from ChatGPT.

When it does not work

Section titled “When it does not work”
You see Do this
No Add custom MCP server Your plan or your workspace role does not allow it. Ask your workspace admin.
“This sign-in has expired. Start it again from the app.” Start again in ChatGPT. Finish in the same browser.
“You have no App to connect yet.” Create your App in Passion Studio first.
“Staff can’t connect apps for a creator.” Only the App’s creator can connect it. Sign in as the creator.

Sources for the ChatGPT steps (OpenAI): Connecting custom MCP servers in ChatGPT and Add custom MCP server.