{"uid":"cap_Zq46Pk4Vcv1ArPAWDZW2g","slug":"preflight-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-94eaec87","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/workflows)","url":"https://preflight.agentdiet.dev/v1/workflows?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_a7C0emzkwXL6CKRZktl8N","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 500+ indexed MCP servers and A2A tools by capability query and returns compressed, firewall-screened results via a single meta-router connection","exampleAgentPrompt":"Search the MCP and A2A tool index for capabilities related to 'github security' — I want to find the best available tools across the 500+ indexed servers and get back compressed, firewall-safe results.","exampleUseCases":[{"title":"Swarm agent capability routing","prompt":"I'm building a multi-agent swarm and need to find all the MCP tools available for SEC filings — can you search the meta-router index and return me the best matches with their connection details?"},{"title":"Safe proxy tool discovery for untrusted sources","prompt":"Before my agent calls any external MCP server, search the safe-proxy index for 'context compression' tools so I only get firewall-screened, Prompt-Guard-verified options back."},{"title":"Single-query multi-tool enrichment lookup","prompt":"I need to find agent tools for B2B company enrichment and lead data — search across all indexed A2A and MCP servers and give me the top matches with token-compressed descriptions."}],"resultDescription":"Returns a JSON object listing matched MCP servers and A2A tools relevant to the query, with tool descriptions compressed by up to 85% for token efficiency and filtered through a Prompt-Guard firewall to block prompt-injection payloads. May include endpoint URLs, capability summaries, and compliance metadata.","failureModes":["Empty query string returns validation error (query minLength:1 enforced)","Query matches no indexed tools — returns empty results set","Upstream MCP server index unavailable — service may return 503 or degraded results","Firewall blocks a result due to suspected prompt injection in tool description","Payment not fulfilled via x402 — returns HTTP 402 requiring USDC micropayment"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP servers or A2A tools are available for a given capability without hardcoding integrations. Ideal for swarm orchestration, agent bootstrapping, or when you want a single connection point that indexes 500+ servers with built-in safety filtering and token compression. Prefer it over manual MCP server lists when you need freshness, firewall protection, and compressed payloads.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:42.232Z","isFirstParty":false,"canonicalSlug":"preflight-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-f8f7c79e"}