agentkit

Use this skill when you receive a 402 Payment Required response that contains an `agentkit` extension. Covers checking 402 responses for the AgentKit extension before paying, constructing and signing a CAIP-122 challenge (SIWE for EVM), sending the signed `agentkit` HTTP header, and interpreting access modes (free, free-trial, discount). Supports both EOA wallets (EIP-191) and Smart Contract Wallets (ERC-1271, e.g. Coinbase Smart Wallet, Safe).

Use this skill when integrating @worldcoin/agentkit into an x402 server or facilitator flow: choose free/free-trial/discount mode, wire payments on any supported EVM chain, handle ExactEvmScheme money parsing, or finish an integration end-to-end.