{"uid":"cap_v_CYVgBoyCXzpGUlc_TLr","slug":"x402-broker-universal-mcp-a2a-x402-meta-router-execute-0760fee8","name":"X402-BROKER Universal MCP/A2A/x402 Meta-Router Execute","description":"Universal B2A/A2A/MCP Meta-Router & Autonomous Tool Marketplace indexing 7,340+ live capabilities across x402 v2 (5-chain EVM USDC), IETF MPP, and L402 with TDQS quality scoring and zero-fee pass-through execution.","url":"https://x402broker.com/v1/broker/execute?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_rj-CTaUsZqtoteqqEQyQ5","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 and executes requests across 7,340+ indexed live capabilities spanning MCP servers, x402 APIs, and A2A agents via a single unified broker endpoint","exampleAgentPrompt":"Search the X402-BROKER marketplace for a live capability that can summarize a webpage, then execute it with a GET request using the query 'summarize URL content' and return the result.","exampleUseCases":[{"title":"Discover and run best-fit MCP tool","prompt":"I need you to find and run the best available MCP server tool that can extract structured data from a webpage — just send the query through the X402-BROKER and give me whatever the top-ranked capability returns."},{"title":"A2A agent task delegation","prompt":"Delegate this sentiment analysis task to the highest-quality A2A agent available in the broker marketplace — use 'sentiment analysis text' as the query and execute it via GET so I get the result back with the compression proof."},{"title":"Single-endpoint multi-tool orchestration","prompt":"I want to call a live coding assistant tool without hardcoding any specific API — route my query 'generate Python boilerplate for a REST API' through the X402-BROKER and let it pick the best indexed capability automatically."}],"resultDescription":"Returns a JSON object containing a `data` field with the proxied capability's response, a `status` field (e.g. 'ok'), and an `roi_proof` object including a compression_ratio_pct indicating how much token/data reduction was achieved relative to calling underlying APIs directly.","failureModes":["No matching capability found for query — returns empty data or error status","Payment failure if USDC balance insufficient for $0.01 per-call fee","Upstream MCP server or A2A agent is offline or rate-limited","Malformed input schema — missing required 'type' or 'method' fields returns validation error","Quality score threshold not met — TDQS filtering may exclude low-quality capabilities","Ambiguous query returns wrong capability match"],"whenToPreferThis":"Choose this endpoint when you need to dynamically discover and execute the best available tool from a large indexed catalog without knowing the specific API in advance, especially when operating in an agentic context where tool selection should be automated. Prefer it over hardcoding individual API calls when the task domain may be served by multiple competing capabilities, or when you want TDQS quality-scored routing with built-in x402/L402 payment handling across EVM chains.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-27T13:04:35.554Z","isFirstParty":false,"canonicalSlug":"x402-broker-universal-mcp-a2a-x402-meta-router-execute-0760fee8"}