Add OAuth to your MCP server.
Ready-to-copy prompts and practical guides for connecting your MCP server to Claude, ChatGPT, and Grok.
Prompts
All prompts →Put Auth0 in front of an existing MCP endpoint
Auth0 as MCP authorization server: native, no proxy
Guides
All guides →- One MCP server, three connectors: Claude, ChatGPT, Grok
Add OAuth
Understand the flow and connect your first client.
- Choosing an OAuth provider for your MCP server
Choose a provider
Compare options, then follow a provider’s setup guide.
- Debugging "unable to connect": a failure map
Fix a connection
Find what failed in discovery, login, or validation.
Use this site from your agent
Add this URL as a connector in Claude, ChatGPT, or Grok to let your agent search the guides and prompts. No sign-in required.
https://quickoauth.com/mcp