Pablo developed the Farcaster Manifest Schema Validation and Dedup Utility for the farcasterxyz/miniapps repository, focusing on improving schema typing and data integrity. He implemented schema validation for requiredChains and requiredCapabilities, ensuring that manifest files adhere to stricter type definitions and validation rules. Using TypeScript, Pablo introduced a deduplication utility that automatically removes duplicate entries from manifest fields, resulting in cleaner and more reliable data. He also updated type definitions to enable accurate inference of capabilities from defined lists, enhancing type safety for developers. The work was scoped to a single feature, with no bugs reported, reflecting careful and focused engineering.