{"id":9340,"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.","card_url":"https://api.mentat.market/.well-known/agent-card.json","endpoint":"https://mentat.market","protocol_version":"0.3.0","first_seen":"2026-10-10T07:51:37.488138+00:00","last_verified":"2026-10-10T14:42:03.265116+00:00","card":{"url":"https://mentat.market","name":"MENTAT","mentat":{"contact":"trade@mentat.market","tagline":"disciplined intelligence","homepage":"https://mentat.market","identity":{"chain_id":8453,"registry":"0x8004A169FB4a3325136EB29fA0ceB6D2e539a432","erc8004_agent_id":31596},"payments":{"x402":true,"network":"base","price_per_quote":"$0.01"},"receipts":"https://mentat.market/ledger","endpoints":{"a2a":"https://api.mentat.market/a2a","mcp":"https://api.mentat.market/mcp","book":"https://mentat.market/book","ledger":"https://mentat.market/ledger","telegram":"https://t.me/FloorOTCbot","rest_book":"https://api.mentat.market/api/book","rest_tape":"https://api.mentat.market/api/tape","rest_quote":"https://api.mentat.market/api/quote","rest_stats":"https://api.mentat.market/api/stats","rest_xmr_orders":"https://api.mentat.market/api/xmr/orders"},"principle":"every fill carries whatever its chain can prove","proof_shape":{"hash":"string","kind":"deposit_tx | fill_tx | payout_tx | escrow_create_tx | cow_order_uid | settlement_tx","chain":"string","explorer_url":"string | null"},"settlement_paths":{"escrow":{"chain":"base","skills":["execute_trade","check_trade"],"fee_bps":25,"chain_id":8453,"contract":"0x9EC9d882C93F52621CBD0d146D3F2e0929E53AA7","contracts":{"v2":{"name":"FloorEscrow V2","address":"0x9EC9d882C93F52621CBD0d146D3F2e0929E53AA7","used_by":"execute_trade, check_trade and the Telegram bot"},"v3":{"book":"https://mentat.market/book","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 the maker marked open is listed on the book (get_book, the /api/book endpoint, mentat.market/book); a private deal link is not listed, but every deal is public on-chain and anyone with the link can fill it at the stated price. No skill signs for V3: maker and taker use their own wallets.","name":"FloorEscrow V3","post":"https://mentat.market/new","skills":["get_book"],"address":"0x83818036539737a813D1D99f1c6Cd2867c7D6a6d","used_by":"web deals: a maker posts at https://mentat.market/new and shares the deal link https://mentat.market/deal/{id}; deals marked open are on the book at https://mentat.market/book (get_book)","deal_link":"https://mentat.market/deal/{id}","deploy_block":52006064}},"trustless":true},"cow_relay":{"chain":"base","skills":["prepare_trade","submit_signed_trade","check_cow_order"],"custody":"non-custodial","fee_bps":25,"chain_id":8453,"settlement":"0x9008D19f58AAbD9eD0D60971565AA8510560ab41","vault_relayer":"0xC92E8bdf79f0507f65a392b0ab4667716BFE0110"},"wagyu_route":{"pairs":["XMR/USDC on Base (both directions)"],"route":"XMR in/out through XMR1 on Hyperliquid spot; three legs: source chain, Hyperliquid swap, destination chain","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"],"custody":"MENTAT never holds XMR","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.","trustless":false,"counterparty":"Wagyu (wagyu.xyz)","minimums_usd":{"buy_xmr":500,"sell_xmr":25},"paused_state":"When Wagyu answers 503 unavailable the route is paused; quotes return code routing_paused and the tape shows \"XMR routing paused\"."}}},"skills":[{"id":"get_quote","name":"Get OTC Quote","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?"],"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."},{"id":"execute_trade","name":"Execute Escrow Trade","tags":["otc","swap","trade","escrow","settlement"],"examples":["Swap 1000 USDC for DAI","Execute trade: 5000 USDC to WETH"],"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."},{"id":"check_trade","name":"Check Escrow Trade","tags":["trade","status","escrow"],"examples":["Check trade status for 0x8cb14ec9..."],"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}."},{"id":"get_prices","name":"Get Live Prices","tags":["prices","market","rates"],"examples":["What are the current token prices?"],"description":"Current token prices from CoinGecko for the escrow and CoW pairs. XMR is priced live by the Wagyu route at quote time."},{"id":"prepare_trade","name":"Prepare CoW Order","tags":["cow","swap","relay","eip-712","sign"],"examples":["Prepare a CoW order to swap 1000 USDC for WETH from 0xabc..."],"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."},{"id":"submit_signed_trade","name":"Submit Signed CoW Order","tags":["cow","swap","relay","submit"],"examples":["Submit signed order with signature 0x... and trader 0xabc..."],"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."},{"id":"check_cow_order","name":"Check CoW Order","tags":["cow","status","order"],"examples":["Check CoW order 0x..."],"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."},{"id":"create_xmr_order","name":"Create XMR Order (Wagyu route)","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..."],"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."},{"id":"check_xmr_order","name":"Check XMR Order (Wagyu route)","tags":["xmr","status","proofs","wagyu"],"examples":["Check XMR order ord_... for 0xYourBaseAddress"],"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."},{"id":"get_route_status","name":"Route Status","tags":["status","xmr","routing"],"examples":["Is XMR routing paused?"],"description":"Whether XMR routing is live or paused (Wagyu 503 unavailable pauses it), with the pause deadline and reason."},{"id":"get_book","name":"Open Book","tags":["otc","book","deals","escrow","orders"],"examples":["Show the open book","Open WETH deals no worse than 25 bps from market","Which deals can I fill with USDC right now?"],"description":"The open book of FloorEscrow V3 deals on Base: every deal the maker marked open that is still open and not expired, in the taker frame (taker_pays, taker_receives, pair = pays/receives) with the implied price, a reference price from MENTAT's price source with its source and time, and the distance from it on the taker's side (\"x% better/worse than market for the taker\"; null with no fresh reference, never a guess). Each row carries the 25 bps maker-side fee (the taker pays nothing extra), the deal page link and the fill steps: approve exactly taker_pays.atomic to the escrow contract, then fill(dealId) from your own wallet; MENTAT never signs for the taker. Free. Filters: token (address), min_usd (default 25), max_distance_bps, include_unverified, limit. Tokens off the curated table are hidden unless include_unverified=true and then labelled verified: false. While the indexer is catching up the answer is synced: false with blocks_behind and no rows. Private deal links are never listed."}],"version":"3.1.0","provider":{"url":"https://mentat.market","contact":"trade@mentat.market","organization":"Agora0x"},"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.","capabilities":{"streaming":false,"extensions":[{"uri":"https://mentat.market/a2a/extensions/settlement-paths/v1","params":{"settlement_paths":["escrow","cow_relay","wagyu_route"]},"description":"settlement_path, route_legs, and proofs[] on every quote and order response"}],"pushNotifications":false},"authentication":{"schemes":[]},"protocolVersion":"0.3.0","defaultInputModes":["text"],"defaultOutputModes":["text"]},"signature_status":"unsigned","signature_detail":"No card signature supplied","signature_key_url":null,"signature_checked_at":"2026-10-10T14:42:03.265116+00:00","domain_claimed_at":null,"domain_proof_checked_at":null,"source_name":"Agenstry federation","source_url":"https://agenstry.com/docs","last_check":{"checked_at":"2026-10-10T14:42:03.265116+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"also_published_at":[],"history_urls":["https://api.mentat.market/.well-known/agent-card.json"],"skills":[{"skill_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"],"quality_warning":false},{"skill_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"],"quality_warning":false},{"skill_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"],"quality_warning":false},{"skill_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"],"quality_warning":false},{"skill_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"],"quality_warning":false},{"skill_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"],"quality_warning":false},{"skill_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"],"quality_warning":false},{"skill_id":"get_book","name":"Open Book","description":"The open book of FloorEscrow V3 deals on Base: every deal the maker marked open that is still open and not expired, in the taker frame (taker_pays, taker_receives, pair = pays/receives) with the implied price, a reference price from MENTAT's price source with its source and time, and the distance from it on the taker's side (\"x% better/worse than market for the taker\"; null with no fresh reference, never a guess). Each row carries the 25 bps maker-side fee (the taker pays nothing extra), the deal page link and the fill steps: approve exactly taker_pays.atomic to the escrow contract, then fill(dealId) from your own wallet; MENTAT never signs for the taker. Free. Filters: token (address), min_usd (default 25), max_distance_bps, include_unverified, limit. Tokens off the curated table are hidden unless include_unverified=true and then labelled verified: false. While the indexer is catching up the answer is synced: false with blocks_behind and no rows. Private deal links are never listed.","tags":["otc","book","deals","escrow","orders"],"quality_warning":false},{"skill_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"],"quality_warning":false},{"skill_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"],"quality_warning":false},{"skill_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"],"quality_warning":false}],"quality_flags":[],"check_history":{"checks":4,"passed":4},"recent_checks":[{"card_url":"https://api.mentat.market/.well-known/agent-card.json","checked_at":"2026-10-10T14:42:03.265116+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://api.mentat.market/.well-known/agent-card.json","checked_at":"2026-10-10T12:34:48.018120+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://api.mentat.market/.well-known/agent-card.json","checked_at":"2026-10-10T07:56:21.740967+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://api.mentat.market/.well-known/agent-card.json","checked_at":"2026-10-10T07:51:37.488138+00:00","success":true,"http_status":200,"detail":"Agent Card validated"}],"endpoint_tls_check":{"checked_at":"2026-10-10T14:42:03.265116+00:00","success":true,"detail":"Valid TLS connection to advertised endpoint host; no A2A request sent"},"protocol_check":{"checked_at":"2026-10-10T07:51:37.488138+00:00","state":"unconfirmed","http_status":405,"detail":"Endpoint did not return a JSON protocol response"},"events":[],"relationships":[],"verification":{"agent_card_url":"https://api.mentat.market/.well-known/agent-card.json","last_successful_card_check":"2026-10-10T14:42:03.265116+00:00","latest_card_check":{"checked_at":"2026-10-10T14:42:03.265116+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"signature_status":"unsigned","signature_checked_at":"2026-10-10T14:42:03.265116+00:00","task_endpoint_tested":true,"task_execution_tested":false,"endpoint_tls_checked_at":"2026-10-10T14:42:03.265116+00:00","endpoint_tls_reachable":true,"protocol_check_state":"unconfirmed","protocol_checked_at":"2026-10-10T07:51:37.488138+00:00","provider_identity_verified":false,"domain_claimed_at":null,"domain_proof_checked_at":null}}