server/priv/docs/en/guides/integrations/http-proxy.md
When HTTPS_PROXY or HTTP_PROXY is set in the environment, Tuist automatically routes the HTTP connections it manages through that proxy. This applies to both the Tuist CLI and the Tuist Gradle plugin, with no extra configuration required.
The behavior matches the convention used by curl, git, and most developer tools, so any environment that already sets these variables for other tooling works with Tuist out of the box.
Only the HTTP clients Tuist owns are routed through the proxy:
Tuist reads the first non-empty value in this order:
HTTPS_PROXYhttps_proxyHTTP_PROXYhttp_proxyThe value must be a URL such as http://proxy.corp:8080. Inline credentials (http://user:[email protected]:8080) are honored.