Sorting LiteLLM GitHub issues by difficulty to implement. Higher = harder.

{
OAuth lifecycle work spans token refresh behavior, credential persistence, request integration, expiry and concurrency handling, and end-to-end MCP validation; the testing change is comparatively localized to shared test configuration and cleanup of overrides.
}
https://github.com/berriai/litellm/issues/33072 5:1 https://github.com/berriai/litellm/issues/27122