{"uid":"cap_tleEUMMHuvr2vymBUcClZ","slug":"whale-momentum-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-0586a21b","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/mcp-gateway)","url":"https://whale-momentum.agentdiet.dev/v1/mcp-gateway?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["query"],"properties":{"limit":{"type":"integer","default":20,"maximum":100,"minimum":1,"description":"Maximum number of items to return per page (1-100)"},"query":{"type":"string","minLength":1,"description":"Capability search query (e.g. 'context compression', 'github security', 'sec filings', 'company enrichment') or endpoint URL to verify"},"cursor":{"type":"string","description":"Opaque pagination cursor for fetching the next page"}}},"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_KJmGjd6gGvp3hHVkYS-OK","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 discovers MCP servers and A2A tools from a 500+ item index using a capability query, returning matching endpoints with token-compressed results through a Prompt-Guard firewall.","exampleAgentPrompt":"Search the MCP tool index for any servers that support 'SEC filings' or 'company enrichment' and show me the top 10 results.","exampleUseCases":[{"title":"Swarm agent tool routing","prompt":"I'm building a multi-agent swarm and need to find which indexed MCP servers support 'context compression' — can you search the index and return up to 20 matching tools?"},{"title":"Capability discovery for GitHub audits","prompt":"Find me any A2A or MCP tools in the index that handle GitHub security audits or code scanning, and list the top 5 results."},{"title":"On-chain DeFi tool lookup","prompt":"Search the MCP tool directory for endpoints that cover DEX token intelligence or on-chain risk, and give me up to 15 results I can route my agent to."}],"resultDescription":"A paginated JSON object listing matching MCP servers and A2A tools from the 500+ item index, with token-compressed metadata about each endpoint's capabilities, filtered through a Prompt-Guard firewall. Includes an opaque cursor for fetching subsequent pages.","failureModes":["Empty results if the query string is too vague or no indexed tools match","Pagination cursor invalid or expired, requiring restart from first page","HTTP 402 payment required if x402 micropayment is not attached","Rate limiting if too many queries are issued in quick succession","Index may not reflect newly added MCP servers if not yet crawled"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover and route to the correct MCP server or A2A tool from a large index without managing 500+ individual connections. It is best suited for swarm orchestration, meta-routing, or when the right downstream tool is not known in advance. Its built-in Prompt-Guard firewall and 85% token compression make it preferable over direct multi-server enumeration when safety and token budget are concerns.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:31:08.720Z","isFirstParty":false,"canonicalSlug":"whale-momentum-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-c7017855"}