OK well since OP isn't replying, [Edit: Author replied] it looks like they're using a wrapper process for local MCP servers and a proxy for remote, and you have to modify your MCP config to reference the local wrapper or proxy so it can intercept requests.

Claude artifact based on Sonnet 4 analyzing the code with github MCP.

https://claude.ai/public/artifacts/30b92814-c4d2-4cb5-b08e-4...