Retrieve the chain ID for any Ethereum network to enable EIP-155 compliant transaction signatures. Specify a network like 'mainnet' or 'sepolia' to get the hexadecimal chain ID.
MIT
Ethereum MCP: Chainlink feeds, gas, ERC-20, ENS, ABI, contract calls, ERC-8004, EAS.
Ethereum tools over MCP: Chainlink feeds, ENS, ERC-8004 agents, EAS attestations, transactions.