{"uid":"cap_PWqZBNijbwCUJ9SSK_-Kc","slug":"serp-extract-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-21eef77a","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/api/mcp/audit)","url":"https://serp-extract.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_EoVP4OSarjko5941z55_t","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 500+ indexed MCP servers and A2A tools by capability query, returning compressed, firewall-filtered results for agent tool discovery and routing.","exampleAgentPrompt":"Search the MCP and A2A tool index for servers that support context compression — I want to find available tools I can route through for shrinking token usage in my agent pipeline.","exampleUseCases":[{"title":"Discover tools for SEC filing retrieval","prompt":"Search the MCP tool index for any servers or A2A agents that can pull SEC filings — I need to route my research agent to something that handles that capability."},{"title":"Find prompt safety or firewall tools","prompt":"Can you search the agent tool directory for MCP servers that offer prompt injection protection or a prompt guard firewall I can plug into my swarm?"},{"title":"Locate on-chain risk analysis agents","prompt":"I need to find A2A or MCP tools that specialize in on-chain risk scoring or blockchain transaction analysis — can you query the meta-router index for those?"}],"resultDescription":"Returns a compressed, firewall-screened list of matching MCP servers or A2A tools relevant to the capability query, including tool metadata, endpoint URLs, compliance indicators, and routing suggestions — with up to 85% token reduction compared to raw listings.","failureModes":["Empty query string returns validation error","No matching tools found for niche capability returns empty result set","Endpoint URL verification query fails if the target URL is unreachable","Rate limiting or payment failure ($0.01/call) blocks access","Prompt-Guard firewall may block or sanitize adversarial query inputs","Ambiguous queries may return loosely relevant or low-confidence matches"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover, search, or route to MCP servers or A2A tools by capability at runtime, especially when token budget is constrained (85% compression) or when you need firewall-protected tool discovery across a broad index of 500+ servers in a single call. Prefer this over manual MCP server lists or static tool registries.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:32:40.946Z","isFirstParty":false,"canonicalSlug":"serp-extract-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-8d70db86"}