{"uid":"cap_QuT3-Tw69PovzBOfhsdYI","slug":"serp-extract-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-8d70db86","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://serp-extract.agentdiet.dev/v1/workflows)","url":"https://serp-extract.agentdiet.dev/v1/workflows?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["query"],"properties":{"limit":{"type":"integer","default":20,"maximum":100,"minimum":1,"description":"Maximum number of items to return per page (1-100)"},"query":{"type":"string","minLength":1,"description":"Capability search query (e.g. 'context compression', 'github security', 'sec filings', 'company enrichment') or endpoint URL to verify"},"cursor":{"type":"string","description":"Opaque pagination cursor for fetching the next page"}}},"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_FvJfsNsj0zsGndVlZybqG","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"serp-extract.agentdiet.dev","brandSlug":"serp-extract-agentdiet-dev-mpp","brandBaseUrl":"https://serp-extract.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches an index of 500+ MCP servers and A2A tools by capability query, returning compressed, firewall-filtered results for tool discovery and routing","exampleAgentPrompt":"Search the agentdiet tool index for MCP servers and A2A agents that handle SEC filings so I can pick the right one to route my query to.","exampleUseCases":[{"title":"Routing agent queries to right tool","prompt":"I need to find which MCP server in the index handles GitHub security auditing — search for 'github security' and tell me what tools are available and what they do."},{"title":"Discovering B2B lead enrichment agents","prompt":"Search the A2A and MCP tool index for anything related to 'company enrichment' or B2B lead data so I can wire up the right tool for my sales pipeline agent."},{"title":"Verifying an endpoint before swarm use","prompt":"I have this endpoint URL — can you check the agentdiet tool router to verify it's a known, compliant MCP or A2A endpoint before I add it to my agent swarm?"}],"resultDescription":"Returns a structured object listing matching MCP servers and A2A tools for the given query, with compressed descriptions (up to 85% token reduction), firewall-filtered metadata, SLA signals, and routing information to help an agent select and connect to the right tool.","failureModes":["Empty query string returns validation error (minLength:1)","Query matches no indexed tools — returns empty results set","Upstream index unavailable — service returns 503 or timeout","Payment not provided or invalid — HTTP 402 response blocking access","Malformed query causes unexpected result shape due to loose response schema"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover which MCP server or A2A tool is best suited for a given capability at runtime, rather than hardcoding tool destinations. Especially useful in multi-agent swarms where the right downstream tool is not known in advance, or when you want prompt-injection firewall protection on discovered tools before proxying requests through them.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:22:56.143Z","isFirstParty":false,"canonicalSlug":"serp-extract-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-8d70db86"}