{"uid":"cap_I8wOCciuG5budFHUTzSDT","slug":"whale-momentum-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-55a9cbac","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/b2a-router)","url":"https://whale-momentum.agentdiet.dev/v1/b2a-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_8ZAeQ8JLocxrAiaaf-bXo","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 a meta-index of 500+ MCP servers and A2A tools by capability query, returning token-compressed matches behind a Prompt-Guard firewall","exampleAgentPrompt":"Search the MCP and A2A tool index for capabilities related to 'github security' — I need to find which servers handle code audit and vulnerability scanning so I can route my agent there.","exampleUseCases":[{"title":"Discovering SEC filing tools for agent","prompt":"Search the A2A and MCP tool index for 'SEC filings' — I need to find which available tools my agent can call to pull public company financial disclosures."},{"title":"Finding on-chain risk analysis tools","prompt":"Can you search the MCP tool registry for 'on-chain risk' and tell me which servers or A2A endpoints cover DeFi wallet screening and blockchain risk scoring?"},{"title":"Routing to email verification capability","prompt":"Look up 'email verification' in the MCP and A2A tool discovery index so my agent can find a safe, proxied endpoint to validate leads before outreach."}],"resultDescription":"Returns a token-compressed list of matching MCP servers or A2A tools relevant to the capability query, including routing metadata, endpoint references, and safety-filtered results from the Prompt-Guard firewall.","failureModes":["Empty query string returns validation error","No matching tools found for obscure or overly narrow queries","Endpoint URL verification returns non-compliant status if the target is offline","Token-compressed responses may lose nuance for very broad queries","HTTP 402 payment required if USDC balance is insufficient"],"whenToPreferThis":"Choose this endpoint when you need a single connection point to discover, compare, and route to any of 500+ MCP servers or A2A tools without manually cataloging integrations; especially useful when token budget is constrained (85% compression) or when you need prompt injection protection via the built-in Prompt-Guard firewall.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:34.447Z","isFirstParty":false,"canonicalSlug":"whale-momentum-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-c7017855"}