{"uid":"cap_bXMZA1zHUlJu82gkNePOQ","slug":"whale-momentum-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-6358d89d","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/api/mcp/audit)","url":"https://whale-momentum.agentdiet.dev/api/mcp/audit?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_kCItatAkxNyZOgrcckS-T","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 results filtered through a Prompt-Guard firewall","exampleAgentPrompt":"Search across all indexed MCP servers and A2A tools to find ones that support context compression — I need the top matches with token-efficient results and prompt-firewall filtering enabled.","exampleUseCases":[{"title":"Discovering MCP tools for SEC filings","prompt":"Search the MCP tool index for any servers or A2A tools that can pull SEC filings or financial disclosures — give me the best matches."},{"title":"Validating a specific MCP endpoint URL","prompt":"Can you verify whether this endpoint URL is a valid, known MCP server: https://some-agent.example.com/api/mcp — check it against the meta-index for me."},{"title":"Finding agent tools for B2B lead enrichment","prompt":"I need to find MCP or A2A tools in the index that handle B2B company enrichment or contact data extraction — which ones are available?"}],"resultDescription":"Returns a compressed list of matching MCP servers or A2A tools relevant to the capability query, with metadata about each tool, filtered through a Prompt-Guard firewall to block adversarial content, at up to 85% token compression versus raw responses.","failureModes":["Query too vague returns low-relevance or empty tool matches","Prompt-Guard firewall blocks query if it resembles a prompt injection attempt","Invalid or unrecognized endpoint URL returns no match on verification","Service unavailable if 402 payment not completed before request","Malformed query (empty string) rejected by minLength:1 schema validation"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to discover which MCP servers or A2A tools are available for a given capability without maintaining its own registry, or when you need a single safe-proxy connection that compresses token usage and guards against prompt injection across a large tool ecosystem. Prefer it over manual tool catalogs or direct MCP server connections when operating an agent swarm that needs centralized, curated routing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:32:48.068Z","isFirstParty":false,"canonicalSlug":"whale-momentum-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-c7017855"}