{"uid":"cap_TmbXr2aCCjXNoY9sTYcrG","slug":"whale-momentum-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-b00c4943","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/tool-search)","url":"https://whale-momentum.agentdiet.dev/v1/tool-search?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_rImgPGaIZ5zNWhYLXqJAi","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 an index of 500+ MCP servers and A2A tools by capability query, returning compressed, firewall-screened tool matches via a single connection.","exampleAgentPrompt":"Search the MCP and A2A tool index for 'github security audit' — I need to find which tools can handle that and get back compressed descriptions I can actually use without blowing my token budget.","exampleUseCases":[{"title":"Finding tools for SEC filing analysis","prompt":"Search the MCP tool index for 'SEC filings' and tell me which available tools can retrieve or analyze SEC documents for a company — I want the compressed summaries so we don't waste tokens."},{"title":"Discovering prompt firewall capabilities","prompt":"I need to find any MCP servers or A2A tools that offer prompt injection protection or a prompt guard firewall — can you search the tool index for 'prompt firewall' and show me what's available?"},{"title":"Locating DEX token intelligence tools","prompt":"Search the agent tool directory for 'DEX token intelligence' — I want to know which tools in the index can give me on-chain token data and how to connect to them."}],"resultDescription":"A list of matching MCP server or A2A tool entries relevant to the capability query, with token-compressed descriptions and metadata, filtered through a Prompt-Guard firewall to remove malicious content.","failureModes":["Empty results if query is too narrow or uses unrecognized terminology","Generic 400 error if query parameter is missing or blank","Potential stale index data if newly added MCP servers haven't been crawled","Payment required (HTTP 402) if x402 USDC payment is not provided","Timeout or 503 if the meta-router is overloaded"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover which MCP servers or A2A tools support a given capability, rather than hard-coding tool connections. Especially useful for swarm architectures or orchestrators that need to route tasks to the right tool at runtime without pre-configuring every integration. The built-in token compression (85%) and prompt firewall make it preferable over raw index queries when token budget and prompt safety are concerns.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:31.906Z","isFirstParty":false,"canonicalSlug":"whale-momentum-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-c7017855"}