Bankr Skills is a collection of reusable agent components that plug into agent frameworks to add capabilities. Available skills include agent wallet management with hallucination guards and transaction verification, Twitter/X agent frameworks with persistent personality, sign-in authentication for registered agents (ERC-8004/ERC-8128), on-chain trading signals with transaction proof, sealed agent-to-agent information handoffs, and on-chain randomness generation. Skills are installable from the repository and designed for agents operating on Base and EVM-compatible chains.