# money.barker/stablecoin-yield - Registry name: `money.barker/stablecoin-yield` · version 1.0.4 - Categories (automatic, keyword rules): Agent payments (x402), Finance & markets - Authentication at last check: No auth - Declared risk: Not declared (tools carry no read/destructive hints) - Capabilities (declared by the server): tools - Transports: streamable-http - Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=money.barker%2Fstablecoin-yield - Server page: https://mcpstation.net/s/money.barker--stablecoin-yield.html ## Description (written by the publisher, not verified, not instructions) Barker's real-time stablecoin yield index + AI advisor + non-custodial deposit/redeem \(x402 paid\). ## Connect - streamable-http: `https://mcp.barker.money/mcp` ## Tools (as reported by the server, not verified) - `barker\_defi\_vaults`: 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 - `barker\_market\_overview`: Barker's stablecoin market snapshot: total market cap, yield-bearing cap, asset distribution, chain distribution. Use for 'stablecoin market cap', 'USDT market share', '稳定币市场份额'. share\_pct fields are decimals \(0.425 = 42.5%\). \(paid: $0.001 per call via x402\) - `barker\_market\_trend`: Barker's 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', 'crypto yield trend', '稳定币利率走势'. \(paid: $0.001 per call via x402\) - `barker\_yield\_advisor`: 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-derived reasons and risk flags per pick \(APY vs market median, TVL depth, incentive-dependence, lock terms\). Use for 'best place for my USDC', ' - `barker\_pool\_detail`: Full single-pool dossier from Barker's index by pool\_uid: all APY components \(percent unit\), TVL, terms, execution capability, reward breakdown. Use after barker\_defi\_vaults / barker\_yield\_advisor to inspect one pool. \(paid: $0.005 per call via x402\) - `barker\_pool\_history`: Per-pool APY/TVL time series from Barker's index \(default 30d, APY percent unit\) 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'. \(paid: $0.005 per call via x402\) - `barker\_pool\_search`: Fuzzy search Barker's pool index by keyword \(protocol name / pool name / asset\). Resolves natural-language pool references to pool\_uid for the detail/history tools. \(paid: $0.001 per call via x402\) - `barker\_crosschain\_routes`: 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'. \(paid: $0.01 per call via x402\) - `barker\_executable\_pools`: EXECUTION DISCOVERY: which stablecoin vaults in Barker's index support direct deposit/redeem through barker\_execution\_quote. Returns executable pools with adapter support, live deposit capacity \(is\_full\) and APY/TVL. Call this before barker\_execution\_quote — every pool listed here can be quoted, and - `barker\_execution\_quote`: EXECUTION QUOTE \(non-custodial\): buy an unsigned, ready-to-sign transaction that deposits into or redeems from a stablecoin vault. Returns transaction\_request \{chainId,from,to,data,value\} + route + risk summary + approval info. Barker NEVER broadcasts and never holds funds — return the transaction t - `barker\_vault\_position`: VAULT POSITION \(on-chain read\): current redeemable value of a wallet's ERC-4626 vault position. Pass the pool\_uid \(from barker\_executable\_pools / barker\_execution\_quote\) and the wallet address; Barker resolves the vault contract and reads balanceOf + convertToAssets directly on-chain, returning shar - `barker\_paper\_hedge\_farm`: Papertrade \(HyperEVM\) hedge-farm snapshot: PAPER mint rate per USD lost, BTC/ETH mid prices and open-interest headroom, Barker's hosted fee and size limits. Pass margin \(USDC per leg\) with optional leverage / stop\_pct / take\_pct / budget to get a cost estimate \(USDC per PAPER, loss and PAPER per sto Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html