x402 merchant
Barker$0.001 / callmcp.barker.money

Query real-time stablecoin supply yield pools from Barker's index of 500+ DeFi protocols. Returns ranked rows with protocol_name, chain_name, asset_symbol, supply_apy_total (decimal — multiply by 100 for %), and supply_tvl (USD). Use for questions like 'best stablecoin yield', 'where to earn on USDC', 'compare lending rates', '稳定币利率'.

MerchantReport

0x83f1…4c9f

0x83f15f5bea445109e255ab82622fbdfecd1e4c9fExplorer
Inbound volume
$0.19↓ 88%
Last 7d vs prior 7d
Settlements
47↓ 50%
Last 7d vs prior 7d
8
Distinct counterparties

Chains: Base (47)

Funds flow over time

Activity

MarAprMayJunJulAug
LessMore

One square per day; click a day to see its settlements in the ledger.

Frequent counterparties

CounterpartySent to themReceived from themSettlementsLast
0xa9b1…ace7$0.00$0.143030d agoGraph
0x6777…3986$0.00$0.0376d agoGraph
0x3ed9…430e$0.00$0.02229d agoGraph
0x6446…e6d5$0.00$0.00227d agoGraph
0xbcf8…c83a$0.00$0.002230d agoGraph
0xedba…1a81$0.00$0.002230d agoGraph
0xc533…2d7a$0.00$0.00111d agoGraph
0xd519…4b0c$0.00$0.001135d agoGraph

Ranked by settled amount over this wallet's recent settlement window — who it normally transacts with.

Data quality

No concentration or self-dealing patterns detected in observed activity.

Recent activity

Payer PayeeChainAmountx402RouteAgeTxn hash
0xc533…2d7a0x83f1…4c9fBase$0.001100%coinbase1d ago0xa7fffe…8ff4fa
0x6777…39860x83f1…4c9fBase$0.001100%coinbase6d ago0xc1a34f…7ddf87
0x6777…39860x83f1…4c9fBase$0.001100%coinbase6d ago0xf2903c…8db68e
0x6777…39860x83f1…4c9fBase$0.001100%coinbase6d ago0xa91e18…2d3c5b
0x6777…39860x83f1…4c9fBase$0.001100%coinbase6d ago0xef2328…a9c485
0x6777…39860x83f1…4c9fBase$0.01100%coinbase6d ago0xa4bd47…bd12cb
0x6446…e6d50x83f1…4c9fBase$0.001100%Route unknown7d ago0x342049…4314dd
0x6777…39860x83f1…4c9fBase$0.01100%coinbase8d ago0x96bd30…6dea39
0x6777…39860x83f1…4c9fBase$0.001100%Route unknown12d ago0x435d0e…6d92cf
0x6446…e6d50x83f1…4c9fBase$0.001100%Route unknown18d ago0x7724eb…2ad4e0
0x3ed9…430e0x83f1…4c9fBase$0.01100%Route unknown29d ago0x2a8511…90bf63
0xa9b1…ace70x83f1…4c9fBase$0.001100%Route unknown30d ago0x410686…f0db0b
0xa9b1…ace70x83f1…4c9fBase$0.001100%Route unknown30d ago0x949522…a3a3e1
0xbcf8…c83a0x83f1…4c9fBase$0.001100%Route unknown30d ago0xec601d…da79d1
0xbcf8…c83a0x83f1…4c9fBase$0.001100%Route unknown30d ago0x502fbc…00a8b7
0xedba…1a810x83f1…4c9fBase$0.001100%Route unknown30d ago0x72f3e5…4003ae
0xedba…1a810x83f1…4c9fBase$0.001100%Route unknown30d ago0x61a68e…c483b3
0xa9b1…ace70x83f1…4c9fBase$0.001100%Route unknown35d ago0x5fc7ff…033421
0xa9b1…ace70x83f1…4c9fBase$0.001100%Route unknown35d ago0x61a051…aa002b
0xa9b1…ace70x83f1…4c9fBase$0.001100%Route unknown35d ago0x6dd92d…3e4554
0xa9b1…ace70x83f1…4c9fBase$0.001100%Route unknown35d ago0xce24d6…cb39f8
0xa9b1…ace70x83f1…4c9fBase$0.001100%Route unknown35d ago0xfef32b…d0db8c
0xa9b1…ace70x83f1…4c9fBase$0.001100%Route unknown35d ago0xc285dd…1605d4
0xd519…4b0c0x83f1…4c9fBase$0.001100%Route unknown35d ago0x229d15…e0d7e5
0x3ed9…430e0x83f1…4c9fBase$0.01100%Route unknown35d ago0xf19966…11aca6

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will check 0x83f1…4c9f's payment record before paying it over the free read API. No key, no account.

GET www.roundhouse.studio/api/v0/merchants/0x83f15f5bea445109e255ab82622fbdfecd1e4c9f

Open skill.md
Show the prompt
Using Roundhouse, tell me whether this x402 merchant is worth paying: how many distinct
agents have paid it, how recently, and for what.

  Merchant wallet: 0x83f15f5bea445109e255ab82622fbdfecd1e4c9f

curl -s 'https://www.roundhouse.studio/api/v0/merchants/0x83f15f5bea445109e255ab82622fbdfecd1e4c9f'
curl -s 'https://www.roundhouse.studio/api/v0/entities/0x83f15f5bea445109e255ab82622fbdfecd1e4c9f/settlements?limit=50'

If you do not have Roundhouse tools or skills installed, read
https://www.roundhouse.studio/skill.md first — it is the whole procedure, and it needs no key.