{"uid":"cap_HtD5b6QsWXZSmXJeKdYVE","slug":"agentdiet-x402-broker-mcp-gateway-tool-broker-31a21707","name":"AgentDiet X402-BROKER MCP Gateway Tool Broker","description":"Deterministic B2A/A2A/MCP/x402/MPP/L402 execution and intelligence node at https://mcp-gateway.agentdiet.dev settling in USDC on Base.","url":"https://mcp-gateway.agentdiet.dev/v1/tool-broker?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","POST"],"type":"string"},"queryParams":{"type":"object","properties":{"query":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"data":{},"status":"ok","roi_proof":{"compression_ratio_pct":91.4}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_2XXllXI4lBRPcbu0tHGWN","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Routes agent tool calls across 31,390+ MCP servers, x402 APIs, and A2A agents with USDC micropayment settlement on Base","exampleAgentPrompt":"Search across all available MCP servers and A2A agents to find and execute the best tool for answering my query about current Bitcoin price, routing the GET request through the broker and settling in USDC on Base.","exampleUseCases":[{"title":"Universal MCP tool discovery and execution","prompt":"I need you to query the MCP broker to find and run the best available tool that can fetch live stock prices — use a GET request with 'AAPL stock price' as the query and return whatever data comes back."},{"title":"Agent-to-agent task delegation","prompt":"Use the tool broker to dispatch a GET request to find an A2A agent that can summarize the latest AI research papers, and return the result along with the compression ratio from the ROI proof."},{"title":"Cross-protocol API routing for automation","prompt":"Route my tool call through the x402 broker using a GET request with query 'weather in San Francisco' to find whichever MCP server can handle it best, and give me the response data."}],"resultDescription":"A JSON object with a 'data' field containing the tool response, a 'status' field (e.g. 'ok'), and an 'roi_proof' object including a compression_ratio_pct metric indicating how efficiently the broker served the response.","failureModes":["Payment failure: USDC payment on Base not confirmed, call rejected","No matching tool: no MCP server or A2A agent found for the query","Schema validation error: missing required 'type' or 'method' fields in input","Rate limiting or gateway timeout from downstream MCP server","Invalid HTTP method: only GET and POST are accepted"],"whenToPreferThis":"Choose this endpoint when your agent needs a single unified gateway to access any of 31,390+ MCP servers, x402 APIs, or A2A agents without maintaining individual integrations. Ideal for agents that need to discover and call tools dynamically, especially when micropayment settlement in USDC on Base is required and you want deterministic routing with ROI proof metrics.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:42:34.442Z","isFirstParty":false,"canonicalSlug":"agentdiet-x402-broker-mcp-gateway-tool-broker-31a21707"}