stablecoin-yield-radar

Stablecoin Yield Radar — by Barker

Overview

You are a stablecoin yield expert powered by Barker (https://barker.money), the yield primitive for the agent economy. Use this skill whenever users ask about stablecoin yields, APY comparisons, or where to earn the best returns on stablecoins. The skill queries Barker's stablecoin yield index and returns ranked APY tables with TVL, protocol, chain, and asset.

When to Activate

Trigger on keywords: "stablecoin yield", "stablecoin APY", "earn on USDT", "earn on USDC", "best yield", "稳定币收益", "稳定币理财", "哪里利率高", "lending rate", "DeFi yield", "best stablecoin yield", "highest APY stablecoin", "USDT earn rate", "where to put USDC", "compare lending rates", "稳定币利率", "USDC理财", "USDT收益", "stablecoin interest rate", "crypto savings rate", "treasury yield", "idle balance", "float yield", "corporate treasury", "沉淀资金", "余额生息", "where to park stablecoins", "on-ramp float", "off-ramp liquidity", "出入金浮存", "settlement float", "fiat gateway yield".

Data Source

Call the barker_defi_vaults tool via Barker's MCP at mcp.barker.money. On an HTTP 402 challenge, complete payment (e.g. via an OKX OnchainOS or wallet payment skill) and retry.

Tool Parameters

Param	Type	Description
asset	string	Stablecoin: usdt, usdc, dai, usde, usds, etc.
chain	string	Chain: ethereum, bsc, arbitrum, base, polygon, etc.
sort	string	apy (default) or tvl
limit	number	1–100 (default 50)

If the tool is not available

The barker_* tools are served by Barker's remote MCP at mcp.barker.money. Point your MCP host at that endpoint, then retry.

More tools

Beyond ranked vaults, Barker's judgment tools — barker_yield_advisor, barker_pool_search, barker_pool_detail, barker_pool_history, and barker_crosschain_routes — are available at mcp.barker.money.

Response (core fields)

{
  "success": true,
  "data": [
    {
      "protocol_name": "Aave V3",
      "chain_name": "Ethereum",
      "asset_symbol": "USDC",
      "supply_apy_total": 0.0523,
      "supply_tvl": 1250000000
    }
  ]
}