ERC-8001 Agent Coordination Framework

FinalERCcreated 2025-08-021 later proposal build on itrequires EIP-712, ERC-1271, ERC-2098, ERC-5267

Minimal, single-chain, multi-party agent coordination using EIP-712 attestations

Author: Kwame Bryan (@KBryan)

Functions this standard introduces (4)

`0xb0238fc3`	`cancelCoordination(bytes32,string)`
`0x223330d5`	`getAgentNonce(address)`	view
`0x9a001b07`	`getCoordinationStatus(bytes32)`	view
`0x808b986f`	`getRequiredAcceptances(bytes32)`	view

Topic0 is the keccak256 hash of the signature, which is what a log filter matches on.

`0xacde37a8bdf1b4e8d860c0bc7761700998c645538e0b0e82d4ddb849408becc9`	`CoordinationProposed(bytes32,address,bytes32,uint256,uint256)`
`0x4a2ab4d283695ba88a29902489ba60a30360715a4c78d7bbd0d8a32832f2827a`	`CoordinationAccepted(bytes32,address,bytes32,uint256,uint256)`
`0x043fce3906c170ea7e42dc454dc9505fde973726bf40487d684a5c6ec0baa1d7`	`CoordinationExecuted(bytes32,address,bool,uint256,bytes)`
`0x8a9a765a352797a4de9716a03da2d64133c867373b5ac29ada8edd7350e94b14`	`CoordinationCancelled(bytes32,address,string,uint8)`

`0x767a5805`	`ERC8001_NotProposer()`
`0x3fdef458`	`ERC8001_ExpiredIntent()`
`0x62369e57`	`ERC8001_ExpiredAcceptance(address)`
`0x24561500`	`ERC8001_BadSignature()`
`0xe00fb7fe`	`ERC8001_NotParticipant()`
`0xc811a0d7`	`ERC8001_DuplicateAcceptance()`
`0xff5e49aa`	`ERC8001_ParticipantsNotCanonical()`
`0xe3806a93`	`ERC8001_NonceTooLow()`
`0xfa277262`	`ERC8001_PayloadHashMismatch()`
`0xa8ce9480`	`ERC8001_NotReady()`

Proposals this one names in its requires field.

Later proposals that name this one in their requires field.