Endpoint · market dataGETmcp.barker.money /barker_defi_vaults ?asset=usdc&chain=base&limit=10&sort=apy
Query real-time stablecoin supply yield pools from Barker's index of 500+ DeFi protocols.
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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'.Overview
Grade?
UNRATED
1 of 30 paid calls toward a letter
Price
$0.001 per call
Paid calls
1
1 delivered
More info
Seller?
URL
https://mcp.barker.money/barker_defi_vaults?asset=usdc&chain=base&limit=10&sort=apy
MCP server on this host: money.barker/stablecoin-yield
Seen
first 34 days ago · last 9 hr ago
78 free handshakes
Payment
Pays through
x402
Offered on?
Ethereum, Polygon, eip155:196, Arbitrum, Base USDC
Listed on?
Polygon, Arbitrum, Base
Scoreweights 2026.09.6
UN
RATED
RATED
0.129 delivery verified, no letter
To a letter · 30 paid calls
1 of 30
Held back by sample size, not by the seller · gap to 1.000 is 0.871: 0.800 uncertain ? + 0.071 short ? · 0.321 to D
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| honestycosts the most it charged what it advertised |
0.50 | 1.00 | 0.000 | 0.000 | 0 | −0.500 | |
| liveness it answered at all |
0.30 | 1.00 | 0.000 | 0.000 | 0 | −0.300 | |
| latency p95 it answered as fast as its class |
0.10 | 0.29 | 0.285 | 0.029 | −0.071 | 0 | |
| price stability the price stayed where it was listed |
0.10 | 1.00 | 1.000 | 0.100 | 0 | 0 | |
| Composite | 1.00 | 0.129 | gap to 1.000 = 0.871 · 0.071 short · 0.800 uncertain | 0.129 | −0.071 | −0.800 |
Not measured: correctness · no paid call was checked against a task; schema conformance · no output schema published
The multiplication, written out
0.500 × 0.000 honesty
+ 0.300 × 0.000 liveness
+ 0.100 × 0.285 latency p95
+ 0.100 × 1.000 price stability
= 0.129 → UNRATED: 1 of 30 paid calls weights 2026.09.6 · 1 samples · seed cap_01M1A51S7RS8PD1WCHEZW0NGFF|2026-07-06T11:54:07.177Z|2026.09.6
Verify it yourself
npx teppi-check https://mcp.barker.money/barker_defi_vaults?asset=usdc&chain=base&limit=10&sort=apycurl -s https://api.teppi.xyz/v1/trust/cap_01M1A51S7RS8PD1WCHEZW0NGFF