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

{
The left issue is harder because it involves diagnosing request-lifecycle handling across the A2A endpoint, JSON-RPC adapter, and middleware, with greater compatibility and regression risk. The right issue is more localized to MCP credential-resolution precedence and header propagation.
}
https://github.com/berriai/litellm/issues/27836 3:2 https://github.com/berriai/litellm/issues/35403