{"uid":"cap_tAxCCg1iIlr-l5M5LAet_","slug":"email-verify-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-e7975393","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/broker/catalog)","url":"https://email-verify.agentdiet.dev/v1/broker/catalog?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_QOwudAOBvSwydxBWHk8L_","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 matching endpoints with token-compressed results and Prompt-Guard firewall protection.","exampleAgentPrompt":"Search the AgentDiet broker catalog for MCP servers or A2A tools that can do 'SEC filings' so I can wire up that capability to my agent swarm.","exampleUseCases":[{"title":"Discover tools for lead enrichment","prompt":"Search the AgentDiet tool catalog for any MCP servers or A2A agents that handle B2B lead enrichment or company data lookup — I want to add that capability to my sales automation pipeline."},{"title":"Find a prompt firewall tool","prompt":"Look through the AgentDiet broker catalog for MCP tools related to 'prompt guard' or 'prompt firewall' so I can add injection protection to my agent swarm."},{"title":"Route to a GitHub audit capability","prompt":"Query the AgentDiet tool discovery index for anything that does GitHub security audits or code repo analysis — I need to plug one of those tools into my CI pipeline agent."}],"resultDescription":"A catalog of matching MCP servers or A2A tools relevant to the query, with endpoint metadata, token-compressed capability descriptions, and Prompt-Guard-filtered results. The response schema is a generic object containing matched tool listings.","failureModes":["Empty query string returns validation error (minLength:1 not met)","No matching tools found for niche or misspelled query returns empty result set","Upstream MCP index unavailable causes 503 or timeout","x402 payment not completed results in 402 Payment Required","Malformed idempotency key header may cause request rejection"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover and route to the right MCP server or A2A tool from a large index without maintaining individual connections to each service. Particularly useful for swarm architectures, agent orchestrators, or when building meta-agents that need to self-select capabilities at runtime. The 85% token compression makes it efficient for LLM-driven tool selection loops.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:37:12.130Z","isFirstParty":false,"canonicalSlug":"email-verify-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-818d5a00"}