standards - Ethereum Token and Protocol Standards Guide
Provides standards, specifications, and code patterns for ERC-8004 agent registries, EIP-3009 authorizations, and x402 HTTP payments.
Tags
Updated: 2026-09-24Capabilities
Typical Inputs
Typical Outputs
What this skill does
- Register onchain agent identity
- Submit agent reputation feedback
- Query cross-chain agent reputation
- Verify endpoint domain control
- Set up x402 payment middleware
- Send x402 payment requests
Inputs
- Agent registration JSON metadata
- Wallet private key or signature
- Ethereum contract address
- EVM network chain ID
Outputs
- Onchain agent ERC-721 token
- Recorded reputation feedback data
- HTTP 402 payment headers
- API payment response data
Requirements
- EVM compatible blockchain network
- Node.js runtime environment