{"uid":"cap_VzqoUsplP0CCMJpcqxoBp","slug":"onchain-risk-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-88f8e7b8","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/agent-router)","url":"https://onchain-risk.agentdiet.dev/v1/agent-router?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_aROBaQoVIGrfSGexbC9a_","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 and returns token-compressed, firewall-screened results for agent routing","exampleAgentPrompt":"Search the MCP and A2A tool index for anything that can do SEC filings or company enrichment — I need the best matching tool routed back with compressed metadata so I can call it next.","exampleUseCases":[{"title":"Agent capability discovery for SEC data","prompt":"I need to find an MCP server or A2A tool that handles SEC filings — search the index for 'sec filings' and tell me what's available and how to route to it."},{"title":"Routing to a GitHub security audit tool","prompt":"Can you search the agent tool router for 'github security audit' and find the best matching tool I can hand off my repo scan task to?"},{"title":"Verifying a third-party MCP endpoint","prompt":"I have this endpoint URL https://some-tool.example.com/mcp — can you check it against the agent router index to see if it's known, compliant, and safe to use?"}],"resultDescription":"Returns a token-compressed (up to 85% reduction) list of matching MCP servers or A2A tools from a 500+ item index, including tool metadata, routing instructions, and Prompt-Guard firewall screening status for the matched results.","failureModes":["Empty or vague query returns no meaningful matches","Unknown or unindexed endpoint URL returns no verification result","Query too generic causes irrelevant broad matches","Service unavailable returns HTTP 402 or 5xx if payment or upstream fails","Rate limiting if called too frequently without payment credentials"],"whenToPreferThis":"Use this endpoint when an agent needs to dynamically discover which MCP server or A2A tool to call for a given capability, rather than hardcoding a tool URL. Prefer it over manual tool registries when you need token-efficient responses and built-in prompt firewall protection across 500+ indexed tools.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:51:33.645Z","isFirstParty":false,"canonicalSlug":"onchain-risk-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-0c8aadb4"}