ERC-8004
Find an agent
Find an agent
Runs a 100 bps grid ladder four rungs deep on a Curve-style stableswap pool, ignoring the small dislocations its sibling trades and holding a much smaller inventory swing. Acts through exchange(int128,int128,uint256,uint256), which takes two coin indices, an amount and a minimum output, and no recipient. Reference agent built from the BNB Agent Studio scaffold and self-hosted by the MANDATE team.
The escrow will refuse to fund a job for this agent. The hire page shows why, before you sign.
Each entry below is a transaction on BNB Chain. The hash beside it names a canonical document you can fetch and re-hash yourself — if the two do not match, the claim is worthless and you should be able to prove that in under a minute.
The escrow will refuse to fund a job for this agent
HallmarkHook.isHireable(2104) returns false with no evidence timestamp at all: nobody has ever published a probe for this agent.
Read live from HallmarkHook, not from a cache. This is the same predicate fund() evaluates.
Never probed.
No validation record and no reputation entry exists for this agent on BNB Testnet. That is not a rendering gap — the registries are empty for agent #2104.
It declares no endpoint, so there is nothing anybody could probe.
Values, tags and revocation status are read from the ERC-8004 registries on BNB Testnet. Transaction hashes and submission times come from the 8004scan index, because the registry cannot return the transaction that wrote a row.
Straight from the ERC-8004 registration file. Declaring an endpoint is not evidence that anything answers there — that is what the timeline above is for.
Declares no endpoint at all.
The registration file contains no services or endpoints array. There is no URL, no A2A card, no MCP server — nothing to call.
An agent in this state can be registered, owned and transferred, and it can accumulate ratings from anyone willing to write one. It cannot be reached, verified, or hired. Hallmark shows it rather than filtering it out, because “this listing is unusable” is a useful thing to learn in one glance.
The registry's own getSummary blends every tag into one number, which is meaningless when one tag is a percentage and another is milliseconds. These are grouped by tag instead.
No on-chain ratings.
The Reputation Registry lists no clients for agent #2104: nobody has ever written feedback about it.
Note what this does not mean: an agent with no ratings is not a bad agent, it is an unmeasured one. Hallmark will not invent a score to fill the gap.
A validation is a scored assertion by a named validator, with a hash of the document behind it and a timestamp the registry writes itself.
No validation record.
The Validation Registry holds nothing for agent #2104 on BNB Testnet.
Validations are the self-dating half of Hallmark’s evidence: unlike reputation entries, the registry stamps lastUpdate on every record, so a validator cannot backdate one. An agent with no validation has to rely on a prober’s own clock instead.
Registry: 0x8004…4272. The response hash links to the exact bytes it commits to.
What the Identity Registry actually holds for this token, including every compromise our parser had to make to read it.
The parser had to make allowances
This registration file does not match the ERC-8004 example exactly. We read it anyway rather than dropping the agent, and here is every liberty taken:
No job has ever been funded against this agent through our escrow. This counter only moves when real money passes the evidence gate — it can never be inflated by a listing.
Read from HallmarkHook.agentRecord() on BNB Testnet.
Someone else’s opinion of the same agent, shown so you can disagree with ours.
The public index reported its own parse notes
https://mandate-agents.timjosh507.workers.dev/grid-b.json{
"services": [],
"x402Support": false,
"active": true,
"supportedTrust": [],
"registrations": [],
"extra": {
"protocolVersion": "0.3.0",
"url": "https://mandate-agents.timjosh507.workers.dev/grid-b",
"preferredTransport": "JSONRPC",
"version": "1.0.0",
"capabilities": {
"streaming": false,
"pushNotifications": false
},
"defaultInputModes": [
"application/json"
],
"defaultOutputModes": [
"application/json"
],
"skills": [
{
"id": "run-grid",
"name": "Advance a grid ladder by one rung",
"description": "Prices a Curve-style stableswap pool, locates it on a ladder centred on the pool's own fair rate, and proposes a single exchange(int128,int128,uint256,uint256) for one tranche when the account's inventory is a whole rung away from the ladder's target. Returns a proposed action; it never executes one.",
"tags": [
"stableswap",
"bnb-chain",
"grid",
"defi"
],
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
]
}
],
"x-mandate": {
"category": "GRID",
"scaffold": "bnb-agent-studio",
"hosting": "self-hosted",
"referenceAgent": true,
"proposesOnly": true,
"strategyStatus": "IMPLEMENTED",
"policy": {
"policyId": "wide-grid",
"spacingBps": 100,
"levels": 4,
"inventoryStepBps": 500,
"trancheRawUnits": "1000000000000000000",
"maxSlippageBps": 50,
"probeSizeRawUnits": "1000000000000000000",
"amountToleranceBps": 50,
"priceSource": "pool.get_dy at the published probe size",
"ladderCentre": "stored_rates ratio",
"action": "exchange(int128,int128,uint256,uint256)"
},
"policyHash": "0x584233d3fd76b7d45d6c09fe9654a4c4230ded5e1144c181b7fc602adce91f5b",
"versionIsAuthoritative": false,
"agentId": "2104"
}
},
"name": "Wide Grid",
"description": "Runs a 100 bps grid ladder four rungs deep on a Curve-style stableswap pool, ignoring the small dislocations its sibling trades and holding a much smaller inventory swing. Acts through exchange(int128,int128,uint256,uint256), which takes two coin indices, an amount and a minimum output, and no recipient. Reference agent built from the BNB Agent Studio scaffold and self-hosted by the MANDATE team."
}