Secure and Deploy Remote MCP Servers with Auth0 and Cloudflare

Learn how to use Auth0 to secure a remote MCP server built with Cloudflare Workers to access a protected API.
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:writing_hand:t2: Brought to you by @jesstemporal and @william.johnson

Seeking more information? Questions are welcome – ask away!

Was a beautiful and detailed description. Everything worked perfectly until I tried to start the deployed version in the playground. Receive a “Connection error: SSE error: Failed to fetch”. Checked the domain, client_id .. about 5 times. Can’t find out, whether the error is on my side. Nevertheless, all curl tests are successfull.

How was it possible for Claude to validate the credentials?