{"uid":"cap_0qliCCErQaTELj6ngfl6d","slug":"email-verify-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-c836f2ce","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/api/mcp/audit)","url":"https://email-verify.agentdiet.dev/api/mcp/audit?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_Unr5dI89oUGJz_t1F_nwm","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 across 500+ MCP servers and A2A tools via a single meta-router endpoint with token compression and prompt firewall protection.","exampleAgentPrompt":"Search the MCP tool index for any servers or A2A agents that handle SEC filings or company enrichment — I want to find what's available across the 500+ indexed tools.","exampleUseCases":[{"title":"Discover context compression MCP tools","prompt":"Search the MCP meta-router for any tools that do context or token compression — I want to find the best-indexed servers for shrinking large prompt contexts before sending them to a model."},{"title":"Find GitHub security audit agents","prompt":"Look through the indexed MCP servers and A2A tools for anything that can run a GitHub security audit or code vulnerability scan — I need to know what's available and how to connect to it."},{"title":"Locate prompt firewall or safety tools","prompt":"Search the tool discovery index for any MCP servers or A2A agents that provide prompt injection protection or a prompt-guard firewall — I want to route untrusted input through a safety layer."}],"resultDescription":"Returns a structured list of matching MCP servers and A2A tools from the 500+ indexed catalog, including capability metadata, routing information, and compressed tool descriptions filtered through the Prompt-Guard firewall.","failureModes":["Empty or too-vague query returns no useful matches","Query matches too many tools without enough specificity to narrow results","Endpoint URL verification for an unknown or non-indexed URL returns no match","Token compression artifacts may reduce fidelity of returned tool descriptions","Payment required (HTTP 402) if x402 payment header is missing or invalid"],"whenToPreferThis":"Choose this endpoint when an agent needs to discover or route to a specific MCP server or A2A tool without maintaining individual connections to hundreds of services. Ideal for agent orchestration scenarios where the right downstream tool is unknown, or when you want a single safe-proxy entry point with built-in prompt-guard filtering and 85% token compression across the MCP ecosystem.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:34:45.942Z","isFirstParty":false,"canonicalSlug":"email-verify-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-818d5a00"}