4.Sure enough, even after enabling the proxy for Cursor, it still reports "failed to retrieve the namespace".Once these configurations are commented out, the connection works normally.

"http.proxy": "http://127.0.0.1:7890",

"cursor.general.disableHttp2": true

using http

1. The curl command on the local machine can retrieve the correct response from api/atelier.
2. The latest plugin management package intersystems-community.servermanager-3.10.5.vsix is being used.
3. VS Code OUTPUT: The ObjectScript panel outputs "ERROR: write EACCES". It is inferred that this may be a startup permission issue with the VS Code user; however, VS Code cannot start normally when run as the root user.

OUTPUT：ObjectScript

ERROR: write EACCES

1. namespace  is available on the server 

2.api/atelier is correctly enabled on the server

Add Nginx configuration to solve the problem.

 location /api/atelier/ {
            CSP On;
            CSPNSD_pass 127.0.0.1:7038;
        }
 

is enable.

It's not an issue with the username "superuser". I've set it as this username, and I'm not using HTTPS either.