Willy Au expanded OAuth credential provider support in the dust-tt/dust repository by adding McpStatic as a valid provider, focusing on backend development using Rust. He updated the provider validation logic and refined error messaging to accurately reflect the expanded set of supported providers, which improved clarity for operators and reduced integration friction for clients using diverse credential configurations. This work aligned with ongoing efforts to broaden compatibility and enhance authentication configuration transparency. Willy’s contribution addressed a targeted feature request, demonstrating depth in OAuth protocol integration and careful attention to repository standards, though the scope was limited to a single feature enhancement.