{"uid":"cap_vbANGwEf5K9ZJ5oWyQBap","slug":"workflows-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-7ecc00c1","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/v1/x402-broker)","url":"https://workflows.agentdiet.dev/v1/x402-broker?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_QMoNv65lDi5hdNBOutlp-","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 proxies 500+ MCP servers and A2A tools via a single connection, with 85% token compression and prompt-injection firewall.","exampleAgentPrompt":"Search the AgentDiet swarm router for MCP tools that can handle SEC filings and company enrichment — I want to find the best available tools with token-compressed results.","exampleUseCases":[{"title":"Discover tools for GitHub security audits","prompt":"Search the meta-router for any MCP servers or A2A tools that can do GitHub dependency and license security auditing — I need to find what's available in the swarm."},{"title":"Verify a suspicious MCP endpoint URL","prompt":"Can you check if this endpoint URL is a legitimate, safe MCP tool using the swarm router's prompt-guard firewall: https://some-unknown-server.example.com/mcp"},{"title":"Find tools for on-chain risk analysis","prompt":"I need to route my agent to an MCP tool that handles on-chain risk or DEX token intelligence — search the 500+ tool index and give me the best matches with compressed metadata."}],"resultDescription":"A compressed, token-optimized list of matching MCP servers or A2A tools relevant to the query, including routing metadata, safety status from the Prompt-Guard firewall, and endpoint verification results if a URL was provided.","failureModes":["Query too vague — returns no matching tools or low-confidence results","Endpoint URL provided is unreachable or not a valid MCP server — returns verification failure","Payment not processed (x402 HTTP 402) — request blocked until USDC micropayment is confirmed","Rate limiting or swarm index unavailable — returns 503 or timeout","Query string empty or missing — rejected with validation error"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover, search, or route to the right MCP server or A2A tool from a large index without maintaining separate connections to hundreds of servers. Especially valuable when token budget is constrained (85% compression), when prompt-injection safety is a concern for untrusted tool responses, or when the agent needs to verify whether an unknown endpoint URL is a safe, legitimate MCP tool.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:32.738Z","isFirstParty":false,"canonicalSlug":"workflows-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-9abf6654"}