MCP / ChatGPT
How to add an MCP server in ChatGPT
Turn on Developer Mode in ChatGPT on the web, add a custom app with the server URL, and sign in with OAuth. With Done Bear at mcp.donebear.com/mcp, ChatGPT can read and add tasks on your list.
Requirements: Business or Enterprise/Edu for write actions; Pro for read and fetch only. ChatGPT web is required.
MCP server endpoint
https://mcp.donebear.com/mcpAdd a custom MCP server
- 1
Turn on Developer Mode
In ChatGPT on the web, open Settings, then Apps, then Advanced settings, and turn on Developer Mode. On Business and Enterprise/Edu, an admin controls access.
- 2
Add the MCP server URL
Add a custom app and paste https://mcp.donebear.com/mcp, or any Streamable HTTP MCP server URL.
- 3
Authorize with OAuth
Approve the browser sign-in. You can revoke Done Bear’s OAuth scopes later.
- 4
Use it on a real list
Enable the connector from the tools menu, then ask ChatGPT to list today’s tasks or add one.
Know before you connect
- Full write support is in beta on Business and Enterprise/Edu.
Connect securely
OAuth 2.1
Sign in through your browser. Revoke it in Done Bear or by removing the ChatGPT connector.
Read-only and write scopes
Read-only access cannot create, edit, or complete tasks.
Scoped to your workspace
The connector reaches Done Bear data, not other files on your machine.
Frequently asked questions
How do I add an MCP server in ChatGPT?
On the web, turn on Developer Mode under Settings, Apps, Advanced settings, add a custom app with the server URL, and sign in with OAuth.
Which ChatGPT plans support custom MCP connectors?
Business and Enterprise/Edu get full actions, including writes; Pro gets read and fetch only. Free and Plus cannot add custom MCP servers.
What is Developer Mode and is it safe?
Yes, with limits. It lets you add custom MCP apps, and Done Bear’s OAuth access is scoped to your workspace and revocable.
Can I add any MCP server in ChatGPT, or only Done Bear?
Any remote MCP server that speaks Streamable HTTP. Add it the same way.