{"uid":"cap_ZrerB3NhicdaGUU9Zqa0h","slug":"defi-yield-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-ae8abd77","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/mesh)","url":"https://defi-yield.agentdiet.dev/v1/mesh?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_7UCr7mTSKyjKPrCNHE-Ph","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 and discovers capabilities across 500+ indexed MCP servers and A2A tools via a single meta-router endpoint with token compression and prompt-injection firewall.","exampleAgentPrompt":"Search the MCP and A2A tool index for capabilities related to 'SEC filings' and return up to 20 results — I need to find which servers can handle financial document retrieval.","exampleUseCases":[{"title":"Discovering DeFi analytics tools for a trading bot","prompt":"Search the meta-router index for any MCP servers or A2A tools that handle DeFi yield or DEX token analytics — give me up to 10 results so I can wire the best one into my trading bot."},{"title":"Finding a prompt injection firewall capability","prompt":"I need to find tools across the MCP ecosystem that can scan for prompt injection or jailbreak attacks — search for 'prompt injection firewall' and show me what's available."},{"title":"Locating company enrichment agents for a lead pipeline","prompt":"Can you search the A2A and MCP tool directory for capabilities related to 'company enrichment' or 'B2B lead data' so I can pick the right tool to plug into my sales automation workflow?"}],"resultDescription":"Returns a paginated list of matching MCP server or A2A tool entries with capability descriptions, endpoint metadata, and relevance scores. Includes an opaque cursor for fetching subsequent pages and leverages 85% token-compressed representations to minimize context usage.","failureModes":["Empty query string returns a validation error requiring minLength of 1","Cursor from a previous session or expired pagination token returns an error or empty result","Limit outside the 1–100 range is rejected with a parameter validation error","Query matches no indexed tools and returns an empty results list","Service unavailability or upstream index errors return a non-200 response"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover which MCP servers or A2A tools are available for a given capability without hardcoding tool references. Ideal for swarm orchestrators, meta-agents, or pipelines that need to route tasks to the best available tool at runtime. Prefer this over manually curated tool lists when the ecosystem is large or evolving.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T00:35:37.737Z","isFirstParty":false,"canonicalSlug":"defi-yield-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-b31cc8b3"}