Before you start
- You need an owner or admin account in the workspace that you connect.
- You need one of these assistants:
- Claude, on claude.ai or in Claude Desktop
- ChatGPT, with Developer mode
- Cursor
- VS Code
- Claude Code
- Other tools, such as Windsurf, Gemini CLI or Codex, need an API key. See Create and manage API keys.
Open the connect cards
In OnlyX, click Settings. Then click API & MCP, in the Developer part of the menu. On a phone, tap More, then Settings, then API & MCP. The Connect your AI assistant card shows one card for each assistant. Each card has its own short steps and a Guide link to the full instructions.

1 One click for Claude · 2 The address to copy for ChatGPT · 3 The full guide for each assistant
Start from your assistant
Every card connects to the same address,https://mcp.onlyx.ai/mcp. Pick your assistant:
- Claude
- ChatGPT
- Cursor
- VS Code
- Claude Code
Add OnlyX to Claude
Connect and sign in
Approve the connection
The Connect an app page asks, for example, “Connect Claude to OnlyX?”. It also shows “Signed in as” and your email.Check which app is asking
Read what the app may do


1 The app, and where it sends you back · 2 What it may change · 3 What reaches fans
Choose the workspace
Optional: Limit the app to some creators


1 The workspace the app works in · 2 Only the creators you picked · 3 Approve
Approve the app
After you approve
- The assistant shows under Connected apps, on the same API & MCP tab. Any owner or admin can disconnect it there: See and disconnect connected apps.
- The approval is tied to you. If you stop being an owner or admin of the workspace, the assistant stops working. Someone who is still an owner or admin must then connect it again.
- To limit creators in another workspace, first switch to that workspace in OnlyX. Then start again from your assistant.
If something goes wrong
"Request expired"
"Request expired"
"Link incomplete"
"Link incomplete"
"Could not load the request"
"Could not load the request"
A workspace is greyed out with "Only owners and admins can connect apps"
A workspace is greyed out with "Only owners and admins can connect apps"
"You are not an owner or admin of any of your workspaces"
"You are not an owner or admin of any of your workspaces"
Approve is greyed out
Approve is greyed out
The page says Connected, but the assistant is still waiting
The page says Connected, but the assistant is still waiting
"We did not send you back"
"We did not send you back"
I do not see API & MCP in Settings
I do not see API & MCP in Settings