{"uid":"cap_cVqiWk62M8oCcBI1yNeSR","slug":"mcp-security-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-69e77b38","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://mcp-security.agentdiet.dev/v1/security-audit-dag)","url":"https://mcp-security.agentdiet.dev/v1/security-audit-dag?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_NFK1U8vcip4u6lnNMzIhD","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"mcp-security.agentdiet.dev","brandSlug":"mcp-security-agentdiet-dev-mpp","brandBaseUrl":"https://mcp-security.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Discovers and routes to 500+ MCP servers and A2A tools via a single meta-router endpoint with token compression and prompt-injection firewall.","exampleAgentPrompt":"Can you search the MCP tool index for anything that handles SEC filings or financial data enrichment, and tell me which endpoints are safe to use?","exampleUseCases":[{"title":"Discover tools for a coding agent","prompt":"I'm building a coding agent and need to find MCP servers that handle GitHub security audits and dependency scanning — can you search the tool index and show me what's available?"},{"title":"Verify an unknown A2A endpoint","prompt":"Before my agent calls this endpoint — https://some-tool.example.com/api/v1/enrich — can you run it through the MCP discovery router to check if it's a known, safe tool?"},{"title":"Find compression-capable MCP servers","prompt":"My agent is hitting token limits — can you search the MCP index for any servers that offer context compression or token-diet capabilities so I can route through one?"}],"resultDescription":"Returns a ranked list of matching MCP servers and A2A tools for the given capability query, including endpoint metadata, security flags from the Prompt-Guard firewall, and routing recommendations — all compressed to minimize token usage.","failureModes":["Empty or vague query returns no useful matches","Unknown or unindexed endpoint URL cannot be verified","Prompt-Guard firewall may flag and block suspicious queries","Rate limiting or payment failure (x402) if quota exceeded","Stale index data if newly launched MCP servers are not yet indexed"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP server or A2A tool to call for a given capability, rather than hardcoding a specific tool. It is especially valuable when building swarm architectures, when the required tool is unknown at design time, or when you need to verify the safety of an external MCP endpoint before calling it.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:20.752Z","isFirstParty":false,"canonicalSlug":"mcp-security-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-88de6323"}