{"uid":"cap_C9sIt_HtnFkPQdvQAVWY1","slug":"whale-momentum-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-55b908e1","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/agent-tool-marketplace)","url":"https://whale-momentum.agentdiet.dev/v1/agent-tool-marketplace?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_BH0rFXaFONle8dWHS7WHf","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 routes queries across 500+ indexed MCP servers and A2A tools via a single meta-router with token compression and prompt firewall protection","exampleAgentPrompt":"Search the A2A and MCP tool marketplace for any available tools that handle 'SEC filings' so I can pick the best one for pulling 10-K data into my agent pipeline.","exampleUseCases":[{"title":"Discover tools for lead enrichment","prompt":"Search the MCP tool marketplace for any agent tools that can do B2B lead enrichment or company data lookups — I want to find all available options before wiring one into my workflow."},{"title":"Route agent to GitHub security capability","prompt":"Find me an MCP server or A2A tool that handles GitHub security audits — I need to plug one into my swarm so it can automatically scan repos for vulnerabilities."},{"title":"Verify endpoint before integration","prompt":"Can you check the tool marketplace to see if there's a registered A2A endpoint at https://whale-momentum.agentdiet.dev/v1/sec-edgar and whether it's compliant?"}],"resultDescription":"Returns a list of matched MCP servers and A2A tools relevant to the query, with compressed metadata (85% token reduction), safety-filtered through a Prompt-Guard firewall, including endpoint details, capability descriptions, and routing information.","failureModes":["Empty query string returns validation error (minLength:1 required)","Query matches no indexed tools — returns empty result set","Upstream MCP server index unavailable — service timeout","Payment required error (HTTP 402) if x402 micropayment not provided","Malformed query triggers firewall rejection"],"whenToPreferThis":"Choose this endpoint when you need to discover or route to MCP servers or A2A tools dynamically without hardcoding individual tool URLs — especially useful for swarm orchestration, building meta-agents, or when you need to search across 500+ tools with a single compressed query rather than managing individual connections to each tool provider.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:24:19.024Z","isFirstParty":false,"canonicalSlug":"whale-momentum-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-c7017855"}