{"uid":"cap_fQj3j2PzhHs7_ibFzbOxz","slug":"whale-momentum-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-5392f1d9","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://whale-momentum.agentdiet.dev/v1/a2a-router)","url":"https://whale-momentum.agentdiet.dev/v1/a2a-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_vQAfxMawB67srxPghB-EA","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"whale-momentum.agentdiet.dev","brandSlug":"whale-momentum-agentdiet-dev-mpp","brandBaseUrl":"https://whale-momentum.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches an index of 500+ MCP servers and A2A tools by capability query, returning compressed, firewall-filtered results via a single meta-router connection","exampleAgentPrompt":"Search the A2A and MCP tool index for any servers that support 'SEC filings' so I can figure out which tool to route my financial data request through.","exampleUseCases":[{"title":"Discover tools for GitHub security audits","prompt":"Search the MCP tool router for anything that covers GitHub security or code auditing — I need to find the right agent endpoint to scan a repo for vulnerabilities."},{"title":"Find company enrichment agents for B2B workflows","prompt":"Look up what MCP servers or A2A tools are available for company enrichment or B2B lead data so I can wire one into my sales automation pipeline."},{"title":"Route SEC filing requests to correct agent","prompt":"I need to find an MCP endpoint that handles SEC filings — can you query the tool discovery router with 'SEC filings' and tell me what comes back?"}],"resultDescription":"Returns a filtered, token-compressed list of matching MCP servers and A2A tool entries relevant to the capability query, processed through a Prompt-Guard firewall to remove potentially malicious content, delivered in a compact format with roughly 85% token reduction compared to raw index results.","failureModes":["Empty or vague query returns no meaningful matches","Query matches too many tools, returning an overly broad or unhelpful result set","Prompt-Guard firewall blocks a legitimate query if it resembles a prompt injection","The indexed tool catalog may be stale if a particular MCP server has gone offline","Payment (x402) not satisfied results in HTTP 402 blocking the response","Endpoint URL verification may return false compliance if the remote server is intermittently available"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP server or A2A tool to delegate a capability to, especially when the agent doesn't know which specific tool handles a given task. It is particularly useful in multi-agent swarm architectures where routing decisions must be made at runtime. Prefer this over hardcoding individual MCP server URLs when the tool landscape is large or frequently changing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:39:35.019Z","isFirstParty":false,"canonicalSlug":"whale-momentum-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-c7017855"}