{"uid":"cap_eMIJIGWD5FXmuyU9vnBwB","slug":"x402broker-com-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-router-adb48c3d","name":"Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router","description":"Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and Prompt-Guard firewall. (Live x402 v2, IETF MPP & MCP endpoint at https://x402broker.com/v1/swarm-execute)","url":"https://x402broker.com/v1/swarm-execute?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["query"],"properties":{"query":{"type":"string","minLength":1,"description":"Capability search query (e.g. 'context compression', 'github security', 'sec filings', 'company enrichment') or endpoint URL to verify"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":[],"displayCostAmount":"0.01","displayCostAsset":"USD","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":"mpp","network":"tempo","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Lb7g4FRuhRjkgsIIjeZZR","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"x402broker.com","brandSlug":"x402broker-com-mpp","brandBaseUrl":"https://x402broker.com","brandDocsUrl":null,"whatItDoes":"Searches and routes queries across 500+ indexed MCP servers and A2A tools via a single connection, with token compression and prompt-injection firewall protection.","exampleAgentPrompt":"Search the MCP tool index for any servers that handle SEC filings or company enrichment — I want to route my agent's query through the swarm router and get back the best matching tools with compressed results.","exampleUseCases":[{"title":"Discovering MCP tools for security audits","prompt":"Find me MCP servers or A2A tools that can do GitHub repository security audits and dependency vulnerability scanning — search the swarm index and tell me what's available."},{"title":"Routing agent queries for financial data","prompt":"I need to find which indexed MCP tools handle SEC filings or on-chain risk analysis — can you search the swarm router for 'SEC filings' and 'DeFi risk' and return the best matches?"},{"title":"Verifying a specific endpoint is safe to call","prompt":"Before I call this endpoint URL https://someservice.com/api/v1/tool, can you run it through the swarm router to verify it and check it against the prompt-guard firewall?"}],"resultDescription":"Returns a structured response listing matching MCP servers or A2A tools relevant to the query, with compressed token output (up to 85% reduction), routing metadata, and prompt-injection firewall status for discovered endpoints.","failureModes":["Empty or vague query returns no matches or low-confidence results","Queried capability not indexed among the 500+ servers returns empty result set","Endpoint URL verification fails if the target is unreachable or returns unexpected format","Token compression may lose nuance for highly structured or schema-heavy tool descriptions","Payment required (HTTP 402) if x402 micropayment header is missing or malformed"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover the right MCP server or A2A tool for a task without knowing which specific service to call in advance. It is especially useful when orchestrating multi-tool swarms, when security (prompt-injection firewall) is required before proxying to external tools, or when token budget is tight and 85% compression is valuable. Prefer over direct tool calls when the tool landscape is unknown or when you need a single connection to hundreds of indexed services.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:22:53.508Z","isFirstParty":false,"canonicalSlug":"x402broker-com-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-router-1b29e69c"}