{"uid":"cap_3RimEZwLf2HuWy7cz6x8P","slug":"email-verify-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-19e95808","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/mesh)","url":"https://email-verify.agentdiet.dev/v1/mesh?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_nrGSwNa6PGED--f88SLok","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":"Routes a capability search query through a meta-index of 500+ MCP servers and A2A tools, returning matching endpoints with token-compressed results and prompt-guard firewall protection.","exampleAgentPrompt":"Search the MCP tool index for any servers that handle 'SEC filings' or 'company enrichment' — I need to find available agent tools I can route those tasks through.","exampleUseCases":[{"title":"Discover MCP servers for a task","prompt":"I'm building an agent pipeline and need to find MCP servers that can handle GitHub security audits — search the tool index and tell me what's available."},{"title":"Find tools for DeFi data enrichment","prompt":"Can you search the A2A and MCP tool registry for anything that covers DeFi analytics or on-chain risk scoring? I want to see which endpoints are indexed and available."},{"title":"Route capability query through mesh","prompt":"I need to find an agent tool that does email verification — search the meta-router index and tell me what matches so I can integrate it into my workflow."}],"resultDescription":"Returns a list of matching MCP servers or A2A tools relevant to the search query, with token-compressed metadata (up to 85% compression), safety-filtered through the Prompt-Guard firewall. Response is a JSON object with discovered endpoint details, capability descriptions, and routing information.","failureModes":["Empty or vague query returns no meaningful results","Query matches no indexed tools — empty result set returned","Prompt-Guard firewall blocks queries flagged as injection attempts","Payment required (HTTP 402) if x402 credits are not provided","Timeout if the mesh index is under load","Malformed query (minLength not met) returns validation error"],"whenToPreferThis":"Choose this endpoint when you need to dynamically discover which MCP servers or A2A tools are available for a given capability, rather than hardcoding a specific tool. Best suited for meta-agent orchestrators, swarm routers, or agent pipelines that need to find the right tool at runtime. Prefer this over direct tool calls when the target capability is unknown or when you want a single connection point that indexes 500+ tools with built-in safety filtering.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:33:25.940Z","isFirstParty":false,"canonicalSlug":"email-verify-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-818d5a00"}