{"uid":"cap_XSGFlk9VpjVZx2r9rgd30","slug":"whale-momentum-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-664ba194","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":"POST","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_gNl1cF-_RChNhQg6gTq7q","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":"Meta-router that searches 500+ indexed MCP servers and A2A tools by natural-language query, returning compressed, firewall-screened results for agent orchestration.","exampleAgentPrompt":"Search the MCP and A2A tool index for any server that handles 'SEC filings' or 'financial intelligence' — I want to find what's available so I can route my next agent call correctly.","exampleUseCases":[{"title":"Finding a GitHub security audit tool","prompt":"Search the tool index for any MCP server or A2A agent that can audit GitHub repositories for license risk or supply-chain vulnerabilities — what's available?"},{"title":"Discovering DeFi yield scanning agents","prompt":"I need to find MCP tools or A2A endpoints that can scan DeFi liquidity pools for yield arbitrage opportunities on Base or Arbitrum — can you search the index for me?"},{"title":"Locating a prompt firewall or context compression service","prompt":"Search the A2A and MCP tool registry for anything that does prompt injection protection or context compression — I want to see what options exist before wiring up my swarm."}],"resultDescription":"Returns a filtered, token-compressed list of matching MCP server or A2A tool metadata (names, capabilities, endpoint URLs, and schema hints) relevant to the submitted query, screened through a Prompt-Guard firewall to remove unsafe or adversarial content.","failureModes":["Empty or vague query returns no meaningful results","Query matches no indexed tools in the 500+ registry","Firewall blocks a query flagged as adversarial or prompt-injection attempt","Endpoint URL verification fails if submitted URL is unreachable or malformed","Rate limit or payment failure (402) if x402 payment not properly attached","Timeout if downstream MCP servers are slow to respond"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover which MCP server or A2A tool is best suited for a given task, rather than hard-coding a single tool. Ideal for swarm orchestration, capability routing, and situations where the right downstream tool is unknown at design time. The 85% token compression makes it efficient for agents with context-window constraints, and the Prompt-Guard firewall adds safety for untrusted tool pipelines.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:35:59.342Z","isFirstParty":false,"canonicalSlug":"whale-momentum-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-c7017855"}