The Agent Skills Directory

[EXTERNAL_DOWNLOADS]: The skill references external SDKs including the @x402/fetch Node.js package and the x402 Python package for machine-to-machine payments.
[EXTERNAL_DOWNLOADS]: References official resources and source code from the github.com/coinbase/x402 repository. Coinbase is recognized as a well-known service in the technology and blockchain sector.
[COMMAND_EXECUTION]: Mentions the cast base-fee command, which is a standard utility from the Foundry (forge) Ethereum development toolkit used to query network state.

why-ethereum