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'.
# 1. Ask the endpoint what it costs (no payment, no wallet needed): curl -i -X GET 'https://mcp.barker.money/barker_defi_vaults' # -> HTTP/1.1 402 Payment Required # the response carries the price, asset and pay-to address. # 2. Pay and retry with any x402 client: npx x402-fetch 'https://mcp.barker.money/barker_defi_vaults'
Endpoint: https://mcp.barker.money/barker_defi_vaults. Operated by mcp.barker.money, not by Animica. Price and availability were correct at the last probe on 2026-09-02 and are set by the operator, who may change them.
Barker's cross-chain route availability for a stablecoin from a given chain (bridge/venue coverage). Use for 'bridge USDC from arbitrum', '跨链路径'.
EXECUTION DISCOVERY: which stablecoin vaults support direct deposit/redeem through barker_execution_quote. Returns executable pools with adapter support, live d…
EXECUTION QUOTE (non-custodial): buy an unsigned, ready-to-sign transaction that deposits into or redeems from a stablecoin vault. Returns transaction_request {…
Stablecoin market snapshot: total market cap, yield-bearing cap, asset distribution, chain distribution. Use for 'stablecoin market cap', 'USDT market share', '…
Historical APY trend for stablecoins vs. US Treasury benchmark over a lookback window (7–180 days). Use for 'DeFi vs treasury', 'is stablecoin APY going up', 'c…
Full single-pool dossier by pool_uid: all APY components (percent unit), TVL, terms, execution capability, reward breakdown. Use after barker_defi_vaults / bark…
Per-pool APY/TVL time series (default 30d, APY percent unit) for trend and volatility analysis of one pool_uid. Use for 'is this pool's APY stable', '这个池子收益稳不稳'…
Fuzzy search pools by keyword (protocol name / pool name / asset). Resolves natural-language pool references to pool_uid for the detail/history tools.
VAULT POSITION (on-chain read): current redeemable value of a wallet's ERC-4626 vault position. Pass the pool_uid (from barker_executable_pools / barker_executi…
FLAGSHIP: 'Where should I park my stablecoins right now?' Returns a ranked top-N recommendation across Barker's DeFi yield index (500+ protocols) with data-deri…