{"uid":"cap_MO7tISWizf6gJbNvtKymM","slug":"workflows-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-ab02f858","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://workflows.agentdiet.dev/api/mcp/audit)","url":"https://workflows.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_6NFAA9Pv_71YOyjK_afCR","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"workflows.agentdiet.dev","brandSlug":"workflows-agentdiet-dev-mpp","brandBaseUrl":"https://workflows.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches and routes across 500+ indexed MCP servers and A2A tools with token-compressed results and prompt-injection firewall protection","exampleAgentPrompt":"Search for MCP servers and A2A tools that support GitHub security auditing — I need to find the best match from the 500+ indexed tools, with token-compressed results and prompt-injection firewall enabled.","exampleUseCases":[{"title":"Discovering SEC filing tools for agent","prompt":"I need to find MCP servers or A2A tools that can pull SEC filings for public companies — search the tool index for 'sec filings' and tell me what's available."},{"title":"Verifying safety of unknown MCP endpoint","prompt":"Before my agent connects to this MCP endpoint https://some-server.example.com/mcp, can you check if it's safe and legitimate using the tool discovery firewall?"},{"title":"Finding company enrichment capabilities","prompt":"My agent needs to enrich leads with company data — search the A2A and MCP tool index for 'company enrichment' and return the best options with compressed metadata."}],"resultDescription":"Returns a compressed (85% token reduction) list of matching MCP servers or A2A tools relevant to the query, including capability metadata, safety scores from the Prompt-Guard firewall, and endpoint verification status where a URL was provided.","failureModes":["Empty query string returns validation error","No matching tools found for obscure or niche capability queries","Endpoint URL verification may fail if target is unreachable","Compressed results may omit edge-case tool metadata","Rate limiting or payment failure at $0.01/call threshold"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP servers or A2A tools support a given capability at runtime, especially when operating in a swarm or multi-agent environment where token efficiency matters. Ideal when you need a single connection to scan 500+ tools rather than maintaining individual integrations, and when you want built-in prompt-injection firewall screening before routing to third-party tools.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:24.378Z","isFirstParty":false,"canonicalSlug":"workflows-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-9abf6654"}