{"uid":"cap_rXRPHKnnNE4GyESBuq54w","slug":"preflight-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-839cedcf","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://preflight.agentdiet.dev/v1/execute)","url":"https://preflight.agentdiet.dev/v1/execute?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_HKkdnR_XVPQUxX53mhDER","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"preflight.agentdiet.dev","brandSlug":"preflight-agentdiet-dev-mpp","brandBaseUrl":"https://preflight.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches and routes across 500+ MCP servers and A2A tools via a single meta-router endpoint with token-compressed results and prompt-injection firewall protection","exampleAgentPrompt":"Search the MCP and A2A tool index for servers that can handle SEC filings or company enrichment — I need to know what's available and route my agent to the right one.","exampleUseCases":[{"title":"Discover tools for GitHub security audits","prompt":"I need to find MCP servers or A2A tools that can run GitHub security audits on a repo — search the index and tell me which ones are available and what they support."},{"title":"Verify a suspicious MCP endpoint before use","prompt":"Before my agent calls this endpoint — https://some-mcp-server.example.com/tool — can you check if it's listed in the safe tool index and doesn't pose a prompt injection risk?"},{"title":"Route agent swarm to context compression tools","prompt":"My agent swarm is burning too many tokens — search for MCP tools that specialize in context compression or token reduction so I can plug one in."}],"resultDescription":"Returns a token-compressed list of matching MCP servers or A2A tools with capability metadata, routing information, and safety/verification status from the Prompt-Guard firewall layer.","failureModes":["Empty or vague query returns no meaningful tool matches","Endpoint URL verification may fail if the target URL is not indexed","Rate limiting or payment failure (x402) blocks access","Highly specialized or niche capability queries may yield zero matches among indexed 500+ servers","Stale index may not reflect newly published MCP servers"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP server or A2A tool best handles a specific capability — especially when the target tool is unknown, the agent needs safe proxying with prompt-injection protection, or token budget is constrained and compressed results are essential. Prefer this over directly hard-coding an MCP server URL when operating in a multi-tool swarm environment.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:41.137Z","isFirstParty":false,"canonicalSlug":"preflight-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-f8f7c79e"}