I made a project: https://github.com/broven/claude-code-fallback
When you hit rate limits or API errors, automatically routes to alternative providers. just like vercel and openreouter does
GFW always been a big issue, first with github, you only can clone repo at ~20kb/s, then apt yum homebrew, some is ultra slow,some just blocked
Nowadays, I already put a lot of effort on how to bypass it