Neynar is a developer platform for building on Farcaster, offering tools to create social apps, mini apps, AI agents, and brand‑driven experiences on the Farcaster protocol. It provides use cases for integrating social data, building scalable social apps with rich profiles and feeds, and deploying AI agents that can act on behalf of brands. The platform highlights capabilities like building on chain data access, live data analytics, and an app studio for deploying mini apps, with a focus on enabling developers to interface with the Farcaster open network from locations including the United States and global hubs.