{"uid":"cap_cSsmDrVHdg1bjfbmx8d-H","slug":"mcp-security-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-6bef1b44","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/crypto-alpha-dag)","url":"https://mcp-security.agentdiet.dev/v1/crypto-alpha-dag?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_mwwmAWYZ4dRLIgEnhe-3r","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 a meta-index of 500+ MCP servers and A2A tools by capability query, returning results with token compression and prompt-injection firewall protection.","exampleAgentPrompt":"Search the MCP tool index for any servers or A2A agents that handle context compression or prompt injection detection — I want to know what's available and how to connect to them.","exampleUseCases":[{"title":"Discover tools for SEC filing retrieval","prompt":"Can you search the MCP tool index for any agents or servers that can pull SEC filings or EDGAR data? I need to find an available tool my agent can call."},{"title":"Find on-chain risk analysis agents","prompt":"Look up what MCP servers or A2A tools are available for on-chain smart contract risk analysis or token honeypot detection — I want to route my agent to the right one."},{"title":"Verify if an endpoint is indexed","prompt":"Check whether the URL https://some-agent.example.com/v1/tool is listed in the MCP tool index and tell me what capability it's registered for."}],"resultDescription":"A structured response listing matching MCP servers and A2A tools relevant to the query, with 85% token-compressed metadata including endpoint URLs, capability descriptions, and safety status from the Prompt-Guard firewall.","failureModes":["Empty query string returns a validation error","No matching tools found for an obscure capability query returns an empty result set","Rate limiting or payment failure (HTTP 402) if x402 payment is not properly attached","Prompt-Guard firewall may block or flag queries that resemble injection patterns","Endpoint URL verification may return not-found if the URL is not indexed"],"whenToPreferThis":"Choose this endpoint when you need to dynamically discover which MCP servers or A2A agents support a given capability at runtime, rather than hard-coding tool URLs. Especially useful in swarm or multi-agent architectures where tools are selected programmatically, or when you want a single connection point that also sanitizes responses against prompt injection before forwarding them to your agent.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T12:32:43.740Z","isFirstParty":false,"canonicalSlug":"mcp-security-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-88de6323"}