During December 2025, Jose Valim focused on enhancing the anomalyco/opencode repository by addressing a critical issue in agent visibility within the ACP interface. He implemented a targeted bug fix in TypeScript, refining the agent filtering logic to ensure agents marked as hidden were properly excluded from user-facing lists. This adjustment improved UI consistency and reduced the risk of unintended agent selections, aligning the interface behavior with the underlying data model. Leveraging his full stack development skills, Jose provided end-to-end traceability from code commit to behavioral change, demonstrating careful attention to both user experience and data integrity in the application.