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Card snapshot
api.mentat.market
·
2026-10-07 19:49:40 UTC
·
b8fe31210c40bf12933dc7ed006773cc07b839db70b9b85bef779ffd803a966a
This is a frozen copy of the agent's agent-card.json as we observed it at the timestamp above. We capture a new snapshot every time the card's content hash changes. Useful for: forensic drift analysis, verifying downstream callers see the right version, reproducing routing decisions made historically.
{
"name": "MENTAT",
"description": "MENTAT: agent-native OTC venue. Disciplined intelligence. Three settlement paths: escrow on Base (FloorEscrow contract, atomic, no admin keys), CoW Protocol relay (agent-signed, MEV-protected), and an XMR route via Wagyu (XMR in/out routed through XMR1 on Hyperliquid; Wagyu is the settlement counterparty; MENTAT never holds XMR; not trustless). Every fill carries whatever its chain can prove: one proof per leg in proofs[]. ERC-8004 Agent #31596.",
"url": "https://mentat.market",
"version": "3.0.0",
"protocolVersion": "0.3.0",
"provider": {
"organization": "Agora0x",
"url": "https://mentat.market",
"contact": "trade@mentat.market"
},
"capabilities": {
"streaming": false,
"pushNotifications": false,
"extensions": [
{
"uri": "https://mentat.market/a2a/extensions/settlement-paths/v1",
"description": "settlement_path, route_legs, and proofs[] on every quote and order response",
"params": {
"settlement_paths": [
"escrow",
"cow_relay",
"wagyu_route"
]
}
}
]
},
"authentication": {
"schemes": []
},
"mentat": {
"tagline": "disciplined intelligence",
"principle": "every fill carries whatever its chain can prove",
"contact": "trade@mentat.market",
"homepage": "https://mentat.market",
"receipts": "https://mentat.market/ledger",
"settlement_paths": {
"escrow": {
"chain": "base",
"chain_id": 8453,
"contract": "0x9EC9d882C93F52621CBD0d146D3F2e0929E53AA7",
"trustless": true,
"fee_bps": 25,
"skills": [
"execute_trade",
"check_trade"
],
"contracts": {
"v2": {
"name": "FloorEscrow V2",
"address": "0x9EC9d882C93F52621CBD0d146D3F2e0929E53AA7",
"used_by": "execute_trade, check_trade and the Telegram bot"
},
"v3": {
"name": "FloorEscrow V3",
"address": "0x83818036539737a813D1D99f1c6Cd2867c7D6a6d",
"deploy_block": 52006064,
"used_by": "web deals: a maker posts at https://mentat.market/new and shares the deal link https://mentat.market/deal/{id}",
"flow": "The maker funds the deal when creating it; the taker's fill settles both legs in one transaction; only the maker can cancel. A deal is not listed on MENTAT, but it is public on-chain and anyone with the link can fill it at the stated price. No skill calls V3: maker and taker use their own wallets.",
"post": "https://mentat.market/new",
"deal_link": "https://mentat.market/deal/{id}"
}
}
},
"cow_relay": {
"chain": "base",
"chain_id": 8453,
"settlement": "0x9008D19f58AAbD9eD0D60971565AA8510560ab41",
"vault_relayer": "0xC92E8bdf79f0507f65a392b0ab4667716BFE0110",
"custody": "non-custodial",
"fee_bps": 25,
"skills": [
"prepare_trade",
"submit_signed_trade",
"check_cow_order"
]
},
"wagyu_route": {
"counterparty": "Wagyu (wagyu.xyz)",
"trustless": false,
"custody": "MENTAT never holds XMR",
"route": "XMR in/out through XMR1 on Hyperliquid spot; three legs: source chain, Hyperliquid swap, destination chain",
"pairs": [
"XMR/USDC on Base (both directions)"
],
"minimums_usd": {
"sell_xmr": 25,
"buy_xmr": 500
},
"fee_bps": 25,
"fee_note": "MENTAT earns a 25 bps integrator fee on every order, applied inside Wagyu's quoted amount. Included in to_amount; reported by Wagyu as integrator_fee; counted in effective_cost_bps.",
"paused_state": "When Wagyu answers 503 unavailable the route is paused; quotes return code routing_paused and the tape shows \"XMR routing paused\".",
"proofs": [
"deposit_tx (Monero tx hash on XMR legs)",
"fill_tx (one per Hyperliquid fill hash from hlFills[])",
"payout_tx (destination-chain tx hash)"
],
"skills": [
"get_quote",
"create_xmr_order",
"check_xmr_order",
"get_route_status"
]
}
},
"proof_shape": {
"chain": "string",
"kind": "deposit_tx | fill_tx | payout_tx | escrow_create_tx | cow_order_uid | settlement_tx",
"hash": "string",
"explorer_url": "string | null"
},
"identity": {
"erc8004_agent_id": 31596,
"registry": "0x8004A169FB4a3325136EB29fA0ceB6D2e539a432",
"chain_id": 8453
},
"payments": {
"x402": true,
"price_per_quote": "$0.01",
"network": "base"
},
"endpoints": {
"a2a": "https://api.mentat.market/a2a",
"rest_quote": "https://api.mentat.market/api/quote",
"rest_xmr_orders": "https://api.mentat.market/api/xmr/orders",
"rest_tape": "https://api.mentat.market/api/tape",
"rest_stats": "https://api.mentat.market/api/stats",
"ledger": "https://mentat.market/ledger",
"mcp": "https://api.mentat.market/mcp",
"telegram": "https://t.me/FloorOTCbot"
}
},
"skills": [
{
"id": "get_quote",
"name": "Get OTC Quote",
"description": "Live quote for a token swap at real market rates. USDC, USDT, USDbC, DAI, WETH, ETH, BTC pairs quote against escrow or CoW relay; XMR pairs (XMR/USDC on Base, both directions) quote through the Wagyu route and return settlement_path \"wagyu_route\", the three route_legs, and an empty proofs[]. MENTAT charges 25 bps on every path; on the XMR route it is an integrator fee applied inside Wagyu's quoted amount (mentat_fee_bps, already in to_amount; effective_cost_bps is all-in). Direction-aware minimums: sell XMR from $25, buy XMR from $500. Answers code \"routing_paused\" while XMR routing is paused.",
"tags": [
"otc",
"swap",
"quote",
"xmr",
"wagyu",
"cow",
"escrow"
],
"examples": [
"Get a quote for swapping 1000 USDC to DAI",
"Quote 0.1 XMR to USDC on Base",
"How much XMR do I get for 600 USDC?"
]
},
{
"id": "execute_trade",
"name": "Execute Escrow Trade",
"description": "Create an escrow deal on Base through the FloorEscrow V2 contract (settlement_path \"escrow\"). Both parties deposit, settlement is atomic, no admin keys. Returns the create tx as the first proof. Web deals (mentat.market/new and deal links) settle through FloorEscrow V3 and need no skill: maker and taker call it from their own wallets.",
"tags": [
"otc",
"swap",
"trade",
"escrow",
"settlement"
],
"examples": [
"Swap 1000 USDC for DAI",
"Execute trade: 5000 USDC to WETH"
]
},
{
"id": "check_trade",
"name": "Check Escrow Trade",
"description": "On-chain status of a FloorEscrow V2 deal by its trade ID, with settlement_path, route_legs, and proofs[]. A FloorEscrow V3 web deal is read at mentat.market/deal/{id}.",
"tags": [
"trade",
"status",
"escrow"
],
"examples": [
"Check trade status for 0x8cb14ec9..."
]
},
{
"id": "get_prices",
"name": "Get Live Prices",
"description": "Current token prices from CoinGecko for the escrow and CoW pairs. XMR is priced live by the Wagyu route at quote time.",
"tags": [
"prices",
"market",
"rates"
],
"examples": [
"What are the current token prices?"
]
},
{
"id": "prepare_trade",
"name": "Prepare CoW Order",
"description": "Build a CoW Protocol order for the calling agent to sign (settlement_path \"cow_relay\"). Returns the EIP-712 typed data, MENTAT appData (25 bps partner fee), and a preflight check on the trader's balance and relayer allowance. The trader signs locally; MENTAT never custodies funds.",
"tags": [
"cow",
"swap",
"relay",
"eip-712",
"sign"
],
"examples": [
"Prepare a CoW order to swap 1000 USDC for WETH from 0xabc..."
]
},
{
"id": "submit_signed_trade",
"name": "Submit Signed CoW Order",
"description": "Forward a trader-signed CoW order to the CoW order book on Base. MENTAT validates the EIP-712 signature locally, then relays. Returns the orderUid (first proof) and explorer URL.",
"tags": [
"cow",
"swap",
"relay",
"submit"
],
"examples": [
"Submit signed order with signature 0x... and trader 0xabc..."
]
},
{
"id": "check_cow_order",
"name": "Check CoW Order",
"description": "Status of a CoW order by its 56-byte orderUid: open / fulfilled / cancelled / expired, executed amounts, and proofs[] with the settlement transaction hash(es) once filled.",
"tags": [
"cow",
"status",
"order"
],
"examples": [
"Check CoW order 0x..."
]
},
{
"id": "create_xmr_order",
"name": "Create XMR Order (Wagyu route)",
"description": "Create a durable XMR order routed through Wagyu: XMR -> USDC on Base or USDC on Base -> XMR. Requires to_address on the destination chain; optional refund_address on the source chain. Returns the exact deposit address, amount, and expiry from the venue (the funding instruction), settlement_path \"wagyu_route\", route_legs, and proofs[] (empty until each leg confirms). MENTAT earns a 25 bps integrator fee applied inside Wagyu's quoted amount (mentat_fee_bps). Wagyu is the settlement counterparty; MENTAT never holds XMR; not trustless.",
"tags": [
"xmr",
"monero",
"wagyu",
"hyperliquid",
"order"
],
"examples": [
"Create an order: 0.1 XMR to USDC, pay out to 0xYourBaseAddress",
"Buy XMR with 600 USDC, deliver to 4AdUnd..."
]
},
{
"id": "check_xmr_order",
"name": "Check XMR Order (Wagyu route)",
"description": "Status of an XMR order by order_id plus its to_address (the destination address is the read proof; a mismatch is not found). Returns the three legs (source-chain confirmations, Hyperliquid swap, destination delivery) and proofs[]: the Monero deposit tx hash, one fill_tx per Hyperliquid fill hash, and the destination payout tx hash. Hyperliquid fill hashes are appended as Wagyu saves them, including after completion.",
"tags": [
"xmr",
"status",
"proofs",
"wagyu"
],
"examples": [
"Check XMR order ord_... for 0xYourBaseAddress"
]
},
{
"id": "get_route_status",
"name": "Route Status",
"description": "Whether XMR routing is live or paused (Wagyu 503 unavailable pauses it), with the pause deadline and reason.",
"tags": [
"status",
"xmr",
"routing"
],
"examples": [
"Is XMR routing paused?"
]
}
],
"defaultInputModes": [
"text"
],
"defaultOutputModes": [
"text"
]
}