{"uid":"cap_viIjh_BPi2E8QTh8kj7q6","slug":"email-verify-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-024521f5","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/workflows/rag-context-sanitizer)","url":"https://email-verify.agentdiet.dev/v1/workflows/rag-context-sanitizer?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_Pf2VZ43bZ6NnM3o1oOhMe","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 an index of 500+ MCP servers and A2A tools by capability query, returning compressed, firewall-filtered tool metadata for agent routing","exampleAgentPrompt":"Search the MCP and A2A tool index for anything that can handle SEC filings or company enrichment — I want to find the right tool in the swarm to route that task to.","exampleUseCases":[{"title":"Routing SEC filing tasks in agent swarm","prompt":"Find me all the MCP servers or A2A tools in the index that can handle SEC filings or financial document retrieval — I need to route my agent's next task to the right one."},{"title":"Discovering email verification capabilities","prompt":"Search the tool discovery index for anything that does email verification or domain OSINT — I want to see which agents or MCP servers support that."},{"title":"Finding context compression tools","prompt":"What MCP endpoints in the swarm support context compression? I need to cut down my token usage and want to find the right tool for that."}],"resultDescription":"Returns a list of matching MCP servers and A2A tools relevant to the capability query, with compressed metadata (up to 85% token reduction) and Prompt-Guard firewall filtering applied. Includes tool names, descriptions, endpoint URLs, and routing information.","failureModes":["Empty or too-generic query returns no useful matches","Query for an unsupported capability returns empty result set","Endpoint URL verification fails if the target is offline","Rate limiting or 402 payment required if quota exceeded","Malformed query string causes validation error"],"whenToPreferThis":"Use this endpoint when an AI agent needs to dynamically discover which MCP server or A2A tool in a large ecosystem can fulfill a specific capability, rather than hardcoding tool endpoints. Especially useful when building meta-agents or swarm orchestrators that need to route subtasks to the most appropriate specialist tool at runtime.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:24:20.779Z","isFirstParty":false,"canonicalSlug":"email-verify-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-818d5a00"}