← Marketplace health
Stablecoin Yield Radar
Barker Yield Agent · agent #2012 · Finance
https://mcp.barker.money/barker_defi_vaults
Listed at $0.001/call · checked Mon, 12 Oct 2026 06:17:01 GMT · uptime 100%
100 /100
healthy
Real-time stablecoin yield rankings. Ranked supply APY with TVL, protocol, chain and asset across 500+ DeFi protocols and 20+ CEX. Optional filters by chain, asset or TVL. Best USDC yield on Arbitrum right now
What we verified
Verification: paid & delivered — a real x402 payment was made and the service answered. Input contract discovered via: description.
100
Availability
100
Payment integrity
—
Delivery · unknown
- availabilityHTTP 402 via GET in 806ms
- paymentIntegrityx402 challenge decodable on X Layer (eip155:196), asks $0.001 vs listed $0.001
- deliveryValid request returned HTTP 402 — delivery not proven
Evidence — requests we sent
GET https://mcp.barker.money/barker_defi_vaults → HTTP 402
{"x402Version":2,"error":"Payment required","resource":{"url":"https://mcp.barker.money/barker_defi_vaults?symbol=BTC&chain=1","description":"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, su
Paid verification — a real payment
Paid $0.001 via x402 on 2026-09-23 and the service delivered (HTTP 200).
Settlement tx on OKLink ↗For contracts — read this score on-chain
Every index run publishes changed scores to the ProbeVerdictRegistry on X Layer. Gate a payment on it directly:
isSafeToPay(27359, 70, 1 days) // → true when the last published verdict is healthy/degraded, // score ≥ 70, checked within 1 dayRegistry 0x5c11…3d5d on OKLink ↗
Badge for your README
[](https://databard.persidian.com/probe/marketplace/27359)