{"uid":"cap_JJhKZGQn4P4acj06fEp1q","slug":"onchain-risk-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-4b8de3dc","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://onchain-risk.agentdiet.dev/v1/universal-mcp-gateway)","url":"https://onchain-risk.agentdiet.dev/v1/universal-mcp-gateway?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_bn6uOGCMMRxzEgWAzI9lO","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"onchain-risk.agentdiet.dev","brandSlug":"onchain-risk-agentdiet-dev-mpp","brandBaseUrl":"https://onchain-risk.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches an index of 500+ MCP servers and A2A tools by capability query, returning matching endpoints with token-compressed results and Prompt-Guard firewall protection.","exampleAgentPrompt":"Search the universal MCP gateway for tools that handle 'SEC filings' or 'company enrichment' and give me the best matching endpoints I can connect to.","exampleUseCases":[{"title":"Discovering tools for on-chain risk","prompt":"Find me MCP servers or A2A tools in the universal gateway index that can handle on-chain smart contract risk analysis or DeFi token security checks."},{"title":"Routing swarm agents to GitHub auditing tools","prompt":"I'm building a swarm of AI agents and need to find every MCP-compatible tool indexed under 'github security' or 'dependency auditing' — can you search the meta-router for those?"},{"title":"Verifying a remote MCP endpoint","prompt":"Can you verify whether this MCP endpoint URL is live and compliant by running it through the universal gateway: https://onchain-risk.agentdiet.dev/v1/some-tool"}],"resultDescription":"Returns a list of matching MCP servers or A2A tools relevant to the query, with metadata including endpoint URLs, capability descriptions, and token-compressed summaries. May also return SLA or compliance status if an endpoint URL is provided for verification.","failureModes":["Empty or too-generic query returns low-relevance or no results","Endpoint URL verification fails if the target is offline or non-compliant","Prompt-Guard firewall may block queries detected as adversarial or injection attempts","Rate limiting or payment failure (x402) if quota is exceeded","Vague queries like 'tools' with no specificity return an overwhelming or unranked result set"],"whenToPreferThis":"Choose this endpoint when you need to discover which MCP servers or A2A tools are available for a specific capability without knowing exact endpoints in advance. It is especially useful for building swarm agent architectures, dynamically routing tasks to the right tool, or verifying whether a known MCP URL meets compliance standards. Prefer this over direct tool calls when the right downstream tool is unknown.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:24:14.852Z","isFirstParty":false,"canonicalSlug":"onchain-risk-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-0c8aadb4"}