{"uid":"cap_yVhAd_wza3AAG9bgf_6H1","slug":"defi-yield-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-796ef338","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://defi-yield.agentdiet.dev/v1/universal-mcp-gateway)","url":"https://defi-yield.agentdiet.dev/v1/universal-mcp-gateway?utm_source=zero.xyz","method":"POST","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_qJtNxFNZyecv3Kn4Nl_np","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"defi-yield.agentdiet.dev","brandSlug":"defi-yield-agentdiet-dev-mpp","brandBaseUrl":"https://defi-yield.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches and proxies 500+ MCP servers and A2A tools through a single connection with token compression and prompt-injection firewall","exampleAgentPrompt":"Search the MCP tool registry for any servers that handle 'SEC filings' or 'company enrichment' — I want to find and route to the right tool from a single connection without blowing up my token budget.","exampleUseCases":[{"title":"Finding tools for on-chain DeFi intelligence","prompt":"Search the universal MCP gateway for tools related to 'DEX token intelligence' or 'on-chain risk' — I need to find which agent servers cover that and connect through one endpoint."},{"title":"Discovering prompt firewall capabilities","prompt":"Look up what MCP servers are available for 'prompt injection' or 'jailbreak firewall' in the tool registry — I want to route sensitive payloads through a safe proxy."},{"title":"Locating B2B lead enrichment tools","prompt":"Query the MCP tool discovery router for anything indexed around 'B2B lead enrichment' or 'contact data' — find me the best matching server and return a compressed result."}],"resultDescription":"Returns matched MCP server or A2A tool records relevant to the query, with 85% token-compressed summaries of capabilities and connection details, filtered through a Prompt-Guard firewall to block injected malicious content before returning results to the agent.","failureModes":["No matching tools found for the given query — returns empty result set","Query string too vague or generic — low-confidence matches returned","Endpoint URL verification fails if an invalid URL is passed as query","Upstream MCP server is offline — router may return degraded or cached result","Rate limit exceeded — 402 payment required error if credits exhausted"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover and route to the right MCP server or A2A tool at runtime without hardcoding individual endpoints. It is especially useful when token budget is constrained (85% compression), when you need a single connection to access 500+ tools, or when untrusted tool responses need to pass through a prompt-injection firewall before being consumed by the agent.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:31:23.456Z","isFirstParty":false,"canonicalSlug":"defi-yield-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-b31cc8b3"}