{"info":{"title":"Barker","version":"1.0.0"},"openapi":"3.1.0","paths":{"/barker_defi_vaults":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"1000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Barker: Barker Defi Vaults","intent":"charge","method":"evm","recipient":"0x83F15f5bEa445109E255ab82622fbdFECd1E4c9f"}]},"summary":"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'."}},"/barker_market_overview":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"1000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Barker: Barker Market Overview","intent":"charge","method":"evm","recipient":"0x83F15f5bEa445109E255ab82622fbdFECd1E4c9f"}]},"summary":"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%)."}},"/barker_pool_search":{"get":{"responses":{"200":{"description":"Successful response"},"402":{"description":"Payment Required"}},"x-payment-info":{"offers":[{"amount":"1000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Barker: Barker Pool Search","intent":"charge","method":"evm","recipient":"0x83F15f5bEa445109E255ab82622fbdFECd1E4c9f"}]},"summary":"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."}}},"x-service-info":{"description":"Barker is an x402-native service at https://mcp.barker.money, indexed from the x402 Bazaar (Coinbase's public discovery directory). It charges callers itself in USDC on Base and is paid directly at its own wallet; Monex Protocol passes your request and payment headers through untouched. 3 endpoints listed."}}