{"uid":"cap_gI62qhuppyhltL_QAitb9","slug":"whale-momentum-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-03475cc0","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-mesh)","url":"https://whale-momentum.agentdiet.dev/v1/a2a-mesh?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_1kPHBcQzAnztpf8fnsrAh","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 and routes queries across 500+ indexed MCP servers and A2A tools via a single connection, with token compression and prompt safety filtering.","exampleAgentPrompt":"Search the A2A mesh index for MCP tools that handle SEC filings or company financial data — give me the best matching tools with compressed descriptions.","exampleUseCases":[{"title":"Discovering email verification tools","prompt":"Search the MCP tool index for any agents or servers that do email verification — I want to find the best available tool to validate addresses in my pipeline."},{"title":"Finding on-chain risk analysis agents","prompt":"Look up which MCP servers or A2A tools in the swarm index cover on-chain risk or blockchain transaction monitoring — I need to route my crypto compliance queries somewhere."},{"title":"Routing GitHub security audit queries","prompt":"Search the A2A mesh for tools that can audit GitHub repositories for security issues — I want to connect my agent to whatever MCP server handles that best."}],"resultDescription":"Returns a list of matching MCP servers or A2A tools relevant to the capability query, with token-compressed descriptions, endpoint metadata, and safety-filtered results from an index of 500+ registered tools.","failureModes":["Empty or too-broad query returns irrelevant or overwhelming results","Queried capability not covered by any indexed tool returns empty match set","Endpoint URL verification fails if the URL is not registered in the mesh","Rate limiting or payment failure (HTTP 402) if USDC balance is insufficient","Prompt-Guard firewall blocks queries containing adversarial or injection-like content"],"whenToPreferThis":"Choose this endpoint when you need to discover the right MCP server or A2A tool for a capability without knowing which specific endpoint to call — it acts as a meta-index and safe router, saving the agent from having to maintain its own registry. Prefer it when token budget is constrained (85% compression) or when prompt safety for third-party tool calls is a concern.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:59.957Z","isFirstParty":false,"canonicalSlug":"whale-momentum-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-c7017855"}