{"uid":"cap_d5wmgDBSU82FfuMioG6DD","slug":"email-verify-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-537d4564","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://email-verify.agentdiet.dev/v1/mcp-router)","url":"https://email-verify.agentdiet.dev/v1/mcp-router?utm_source=zero.xyz","method":"POST","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_6-oz55pb1Oz_4hCQ_Xb7V","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"email-verify.agentdiet.dev","brandSlug":"email-verify-agentdiet-dev-mpp","brandBaseUrl":"https://email-verify.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches and routes to 500+ MCP servers and A2A tools through a single meta-router connection with token compression and prompt firewall protection","exampleAgentPrompt":"Search the MCP tool index for any servers or A2A tools that can handle 'company enrichment' — I want to find what's available and route to the best match.","exampleUseCases":[{"title":"Discovering SEC filing tools for an agent","prompt":"Search the MCP router index for any tools or servers that handle SEC filings or EDGAR data — I need to find what's available before wiring it into my research agent."},{"title":"Finding prompt firewall capabilities","prompt":"Can you query the MCP meta-router for 'prompt firewall' or 'prompt injection guard' tools? I want to know which indexed servers offer that protection before routing my swarm through them."},{"title":"Locating GitHub security audit tools","prompt":"Search the universal tool index for MCP servers or A2A agents that can do GitHub security audits — I need something I can plug into my CI pipeline agent."}],"resultDescription":"Returns a matched set of MCP servers or A2A tools from the 500+ indexed catalog that match the capability query, with token-compressed responses (up to 85% compression) and metadata about each matching endpoint, filtered through a Prompt-Guard firewall for safety.","failureModes":["Empty or vague query string returns no useful matches","Query for a capability not yet indexed returns empty results","Prompt-Guard firewall may block queries flagged as adversarial","Network timeout if upstream MCP servers are unreachable","Payment required (HTTP 402) if x402 micropayment not included"],"whenToPreferThis":"Choose this endpoint when you need to dynamically discover which MCP servers or A2A tools are available for a given capability without maintaining your own index. It is especially useful when building agent swarms that need a single routing layer across hundreds of tools, when token budget is a concern (85% compression), or when you want prompt injection protection baked into tool discovery.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:37:46.801Z","isFirstParty":false,"canonicalSlug":"email-verify-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-818d5a00"}