{"uid":"cap_TNGDZrnn25uz2FjMdJ7k7","slug":"mcp-security-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-fed6805b","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/b2a-router)","url":"https://mcp-security.agentdiet.dev/v1/b2a-router?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_XbukTR4bcBgXTULjecMVp","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":"Searches across 500+ indexed MCP servers and A2A tools by capability query, returning token-compressed results through a prompt-injection-guarded meta-router.","exampleAgentPrompt":"Search the MCP and A2A tool index for anything that handles context compression or token reduction — I want to know which servers are available and route through the safest one.","exampleUseCases":[{"title":"Discover tools for SEC filings","prompt":"I need to find an MCP server or A2A tool that can pull SEC EDGAR filings — search the index for anything related to 'sec filings' or 'financial intelligence' and tell me what's available."},{"title":"Verify and route to a GitHub audit tool","prompt":"Can you look up 'github security' in the MCP tool discovery router and find me a safe endpoint I can use for auditing a repository's dependencies and licenses?"},{"title":"Build an agent swarm for lead enrichment","prompt":"Search the A2A tool index for anything related to 'company enrichment' or 'B2B lead data' so I can wire up the right MCP servers into my autonomous workflow."}],"resultDescription":"Returns a token-compressed (up to 85% reduction) list of matching MCP servers and A2A tools, including endpoint metadata, capability descriptions, and routing recommendations, all filtered through a Prompt-Guard firewall to block injected payloads.","failureModes":["Empty query string returns validation error","No matching tools found for obscure capability query — returns empty result set","Endpoint URL verification fails if the URL is not indexed","Rate limiting or payment failure (HTTP 402) if x402 USDC payment is not settled","Firewall blocks query if it resembles a prompt injection attempt"],"whenToPreferThis":"Choose this endpoint when you need to discover which MCP servers or A2A tools are available for a given capability without knowing the specific endpoint in advance, especially when operating across a large swarm and needing token-efficient, injection-safe routing. Prefer this over direct tool calls when capability is unknown or when you want centralized safe-proxy routing across 500+ tools.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:24.945Z","isFirstParty":false,"canonicalSlug":"mcp-security-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-88de6323"}