ERC-8004 Trustless Agents

DraftERCcreated 2025-08-134 later proposals build on itrequires EIP-155, EIP-712, ERC-721, ERC-1271

Discover agents and establish trust through reputation and validation

Authors: Marco De Rossi (@MarcoMetaMask), Davide Crapis (@dcrapis), Jordan Ellis, Erik Reppel

Functions this standard introduces (25)

`0xc2349ab2`	`appendResponse(uint256,address,uint64,string,bytes32)`
`0x8d5d0c2d`	`getAgentValidations(uint256)`
`0x00339509`	`getAgentWallet(uint256)`
`0x42dd519c`	`getClients(uint256)`
`0xbc4d861b`	`getIdentityRegistry()`
`0xf2d81759`	`getLastIndex(uint256,address)`
`0xcb4799f2`	`getMetadata(uint256,string)`
`0x6e04cacd`	`getResponseCount(uint256,address,uint64,address[])`
`0x81bbba58`	`getSummary(uint256,address[],string,string)`
`0x1b7cabd6`	`getSummary(uint256,address[],string)`
`0xff2febfc`	`getValidationStatus(bytes32)`
`0x4bf3158c`	`getValidatorRequests(address)`
`0x3c036a7e`	`giveFeedback(uint256,int128,uint8,string,string,string,string,bytes32)`
`0xd9d84224`	`readAllFeedback(uint256,address[],string,string,bool)`
`0x232b0810`	`readFeedback(uint256,address,uint64)`
`0x1aa3a008`	`register()`
`0x8ea42286`	`register(string,(string,bytes)[])`
`0xf2c298be`	`register(string)`
`0x4ab3ca99`	`revokeFeedback(uint256,uint64)`
`0x0af28bd3`	`setAgentURI(uint256,string)`
`0x2d1ef5ae`	`setAgentWallet(uint256,address,uint256,bytes)`
`0x466648da`	`setMetadata(uint256,string,bytes)`
`0x3fddcf19`	`unsetAgentWallet(uint256)`
`0xaaf400c4`	`validationRequest(address,uint256,string,bytes32)`
`0x3d659a96`	`validationResponse(bytes32,uint8,string,bytes32,string)`

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

`0x2c149ed548c6d2993cd73efe187df6eccabe4538091b33adbd25fafdb8a1468b`	`MetadataSet(uint256,string,string,bytes)`
`0xca52e62c367d81bb2e328eb795f7c7ba24afb478408a26c0e201d155c449bc4a`	`Registered(uint256,string,address)`
`0x3a2c7fffc2cba7582c690e3b82c453ea02a308326a98a3ad7576c606336409fb`	`URIUpdated(uint256,string,address)`
`0x6a4a61743519c9d648a14e6493f47dbe3ff1aa29e7785c96c8326a205e58febc`	`NewFeedback(uint256,address,uint64,int128,uint8,string,string,string,string,string,bytes32)`
`0x25156fd3288212246d8b008d5921fde376c71ed14ac2e072a506eb06fde6d09d`	`FeedbackRevoked(uint256,address,uint64)`
`0xb1c6be0b5b8aef6539e2fac0fd131a2faa7b49edf8e505b5eb0ad487d56051d4`	`ResponseAppended(uint256,address,uint64,address,string,bytes32)`
`0x530436c3634a98e1e626b0898be2f1e9980cc1bd2a78c07a0aba52d0a48a5059`	`ValidationRequest(address,uint256,string,bytes32)`
`0xafddf629e874ccc3963b6a888c477bd464a6c8525024fc88759ea3b2326349ae`	`ValidationResponse(address,uint256,bytes32,uint8,string,bytes32,string)`

Proposals this one names in its requires field.

Later proposals that name this one in their requires field.