{"uid":"cap_Co7jgBbLH-B_Pr7NXbbOI","slug":"defi-yield-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-c3ed8e3e","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://defi-yield.agentdiet.dev/v1/security-audit-dag)","url":"https://defi-yield.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_4DJUj1MIjZsPv0Q9CIl-8","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"defi-yield.agentdiet.dev","brandSlug":"defi-yield-agentdiet-dev-mpp","brandBaseUrl":"https://defi-yield.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-injection firewall protection.","exampleAgentPrompt":"Search the MCP tool index for any servers that handle SEC filings or company enrichment — I want to know what's available and get a compressed summary of matching endpoints.","exampleUseCases":[{"title":"Agent stack capability gap analysis","prompt":"Search the MCP tool index for anything related to 'email deliverability' and 'domain OSINT' — I want to see what tools are available so I can fill gaps in my agent's current capabilities."},{"title":"Safe endpoint verification before calling","prompt":"Before my agent calls this endpoint URL, can you run it through the tool discovery index to verify it's a legitimate, safe-to-proxy MCP server and not something suspicious?"},{"title":"Swarm router tool selection for DeFi agents","prompt":"My DeFi agent swarm needs tools for on-chain risk and DEX liquidity — search the 500+ MCP index for matching capabilities and return a compressed list of the best matching endpoints."}],"resultDescription":"Returns a list of matching MCP servers or A2A tools relevant to the query, with capability descriptions and token-compressed metadata. Results are filtered through a Prompt-Guard firewall to flag potentially unsafe or injection-prone endpoints. May include endpoint URLs, tool names, and safety assessments.","failureModes":["Empty or vague query returns no meaningful matches","Query string too short or missing causes validation error","Indexed tool unavailable or stale metadata returned","Prompt-Guard firewall may over-flag legitimate endpoints as unsafe","Rate limiting or payment failure (x402) blocks access","Returned endpoints may be offline or deprecated since last index crawl"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP servers or A2A tools exist for a given capability, rather than hardcoding tool integrations. Especially useful for building swarm routers, agent orchestrators, or meta-agents that need to self-configure their tool stack at runtime. Prefer over manual tool registries when you need coverage of 500+ tools with built-in safety filtering and token budget management.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:22:00.048Z","isFirstParty":false,"canonicalSlug":"defi-yield-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-b31cc8b3"}