{"uid":"cap_dV5h-0ZE5FHPkpMvpCeWD","slug":"onchain-risk-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-62fbc386","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/x402-gateway)","url":"https://onchain-risk.agentdiet.dev/v1/x402-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_DgEb7SwHfww-A2rT3aNQs","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 token-compressed results via a single-connection meta-router with a Prompt-Guard firewall.","exampleAgentPrompt":"Search the MCP tool index for 'SEC filings' and show me which servers and A2A tools are available for that capability.","exampleUseCases":[{"title":"Discover context compression tools","prompt":"Search the MCP meta-router for tools that do context compression — I want to find servers I can plug into my agent to reduce token usage."},{"title":"Find on-chain risk analysis endpoints","prompt":"Look up 'on-chain risk' in the A2A and MCP tool index and tell me which endpoints are available for analyzing blockchain wallet risk."},{"title":"Locate company enrichment capabilities","prompt":"Search the universal tool router for 'company enrichment' — I need to find an MCP server that can pull B2B lead data for my agent workflow."}],"resultDescription":"Returns a filtered, token-compressed list of matching MCP servers and A2A tools relevant to the capability query, including endpoint identifiers, descriptions, and routing metadata — all passed through the Prompt-Guard firewall to block injection attempts.","failureModes":["Empty or vague query returns no meaningful matches","Query too broad returns unranked noise across 500+ tools","Prompt-Guard firewall blocks queries it misclassifies as injection attempts","Endpoint URL verification queries may time out if the remote server is unreachable","x402 payment failure halts the request before results are returned"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP servers or A2A tools support a given capability without hardcoding individual integrations. It is especially valuable when building swarm-style agent pipelines that need to route to the best available tool at runtime, or when token budget is constrained and the 85% compression is beneficial. Prefer it over direct MCP server queries when the target tool is unknown and a broad capability search is needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:36.022Z","isFirstParty":false,"canonicalSlug":"onchain-risk-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-0c8aadb4"}