{"uid":"cap_vBSyMtKGrgARcp7Hl7z46","slug":"onchain-risk-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-03945b3d","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://onchain-risk.agentdiet.dev/api/mcp/audit)","url":"https://onchain-risk.agentdiet.dev/api/mcp/audit?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_zsHE9FeTvjKW_JDhMoDtZ","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"onchain-risk.agentdiet.dev","brandSlug":"onchain-risk-agentdiet-dev-mpp","brandBaseUrl":"https://onchain-risk.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches a meta-index of 500+ MCP servers and A2A tools by capability keyword or URL, returning matching endpoints with token-compressed results and Prompt-Guard firewall protection.","exampleAgentPrompt":"Search the MCP tool index for any servers that handle context compression or token reduction — I want to find the best available tool for shrinking prompts before sending them to a model.","exampleUseCases":[{"title":"Discover tools for SEC filing analysis","prompt":"Search the MCP meta-router for any tools or A2A endpoints that can pull SEC 10-K or 10-Q filings — I need to wire up my research agent to the right server."},{"title":"Verify a specific MCP endpoint URL","prompt":"Can you check whether https://some-agent-service.example.com/mcp is a valid, compliant MCP endpoint? Run it through the tool discovery router to verify."},{"title":"Find agent tools for B2B lead enrichment","prompt":"I'm building a sales automation swarm and need to find MCP servers that handle B2B company enrichment or contact data extraction — search the index and tell me what's available."}],"resultDescription":"Returns a token-compressed list of matching MCP servers or A2A tools relevant to the capability query, including endpoint metadata, compliance status, and routing information. Results are filtered through a Prompt-Guard firewall to block malicious payloads.","failureModes":["Empty query string returns validation error","No matching tools found for obscure or misspelled capability queries","Endpoint URL verification returns non-compliant if target is offline or non-standard","Token compression may strip nuanced metadata for complex tool descriptions","Rate limiting or payment failure (HTTP 402) if x402 payment is not attached"],"whenToPreferThis":"Use this endpoint when an AI agent needs to dynamically discover which MCP server or A2A tool to delegate a subtask to, rather than hardcoding a tool. Ideal for swarm architectures, meta-agents, or orchestration layers that need runtime tool routing across a broad index of 500+ services. Prefer this over manually curating a tool registry or calling individual service directories.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:41.841Z","isFirstParty":false,"canonicalSlug":"onchain-risk-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-0c8aadb4"}