{"uid":"cap__Ha6Bs_KotxRSduDCDNWJ","slug":"email-verify-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-7d1098ce","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/x402-gateway)","url":"https://email-verify.agentdiet.dev/v1/x402-gateway?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_b6oLvkZODIpPPIEtU6_JP","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 a meta-index of 500+ MCP servers and A2A tools by capability query, returning matched endpoints with 85% token compression via a prompt-guard-protected proxy router.","exampleAgentPrompt":"Search the agentdiet meta-router for MCP tools related to 'context compression' — I want to find available agent tools that can compress tokens in my pipeline.","exampleUseCases":[{"title":"Discovering SEC filing tools for agent","prompt":"Find me any MCP servers or A2A tools in the agentdiet index that handle SEC filings or EDGAR financial data — I need to wire one into my research agent."},{"title":"Locating prompt safety firewall tools","prompt":"Search the meta-router for tools related to 'prompt guard' or 'prompt firewall' so my agent swarm can route through a safety layer before responding to users."},{"title":"Finding DEX token intelligence endpoints","prompt":"I'm building a DeFi agent — can you search the agentdiet tool index for any MCP capabilities around DEX token intelligence or on-chain risk analysis?"}],"resultDescription":"Returns a structured list of matched MCP servers and A2A tools relevant to the capability query, including compressed tool descriptions, routing metadata, and endpoint identifiers — delivered with 85% token compression through a prompt-guard firewall.","failureModes":["Empty or vague query returns no meaningful matches","Query string missing or too short triggers a validation error","No matching tools found for a niche capability returns empty result set","Payment not completed (x402) results in 402 Payment Required response","Service unavailable if meta-index is being updated"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP servers or A2A tools exist for a given capability without hard-coding tool registries. It is ideal for building swarm routers, capability-aware orchestrators, or any system that needs to find the right sub-agent tool at runtime across a large index of 500+ servers, especially when token budget is a concern due to its 85% compression.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:44.444Z","isFirstParty":false,"canonicalSlug":"email-verify-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-818d5a00"}