Base MCP provides onchain capabilities to AI applications like Claude and Cursor by exposing tools for interacting with the Base Network and Coinbase APIs. It enables operations including wallet management, fund transfers, smart contract deployment, token and NFT management, DeFi interactions with Morpho vaults, fiat onramps, and Farcaster username resolution. The server solves the problem of giving AI agents direct access to blockchain functionality and financial services through a standardized, extensible protocol interface.