{"uid":"cap_3C0zCq6BbudSWUGEnBqU2","slug":"preflight-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-b0df37b5","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/b2b-osint-dag)","url":"https://preflight.agentdiet.dev/v1/b2b-osint-dag?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_wGUqK8n1PhEgutVZ6Yak0","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 discovers capabilities across 500+ MCP servers and A2A tools via a single meta-router connection with token compression and prompt-injection firewall","exampleAgentPrompt":"Search the MCP and A2A tool index for capabilities related to 'SEC filings' — I want to find the best available tool or server that handles that, ideally with a compressed response to save tokens.","exampleUseCases":[{"title":"Discovering SEC filing tools for an agent","prompt":"I'm building a financial research agent and need to find which MCP servers or A2A tools handle SEC filings and company financial data — can you search the tool index for 'sec filings' and tell me what's available?"},{"title":"Swarm routing for a multi-agent pipeline","prompt":"I need to wire up a multi-agent swarm and want a single connection point that can route to the right tool depending on the task — search the meta-router for 'company enrichment' and 'email verification' tools so I can configure my swarm."},{"title":"Verifying a third-party endpoint before calling it","prompt":"Before my agent calls this endpoint at https://some-mcp-server.example.com/api/tool, can you run it through the tool discovery router to verify it's legitimate and check if there's a safer proxied version available?"}],"resultDescription":"Returns a list of matching MCP servers or A2A tools ranked by relevance to the query, along with capability metadata, endpoint URLs, and token-compressed summaries. If a URL is supplied, returns validation and safety assessment of that endpoint.","failureModes":["Empty or too-generic query returns low-confidence or empty results","Unknown or malformed endpoint URL returns validation failure","Rate limiting or payment failure (HTTP 402) if x402 payment not attached","Query for a niche capability not indexed returns no matches","Network timeout if the meta-router is aggregating many upstream sources"],"whenToPreferThis":"Choose this endpoint when you need to discover which MCP server or A2A tool is best suited for a given task without knowing the tool landscape in advance, or when you want a single proxied entry point with prompt-injection protection across 500+ tools. Prefer it over direct tool calls when operating in multi-agent swarms that need dynamic routing or when token budget is constrained and 85% compression is valuable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:56.783Z","isFirstParty":false,"canonicalSlug":"preflight-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-f8f7c79e"}