{"uid":"cap_97Bi6BKpPgxHkPNEuFoQn","slug":"mcp-security-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-85259eda","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://mcp-security.agentdiet.dev/v1/agent-tool-marketplace)","url":"https://mcp-security.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_ikLykTMv5f7pf4s_0uCyx","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"mcp-security.agentdiet.dev","brandSlug":"mcp-security-agentdiet-dev-mpp","brandBaseUrl":"https://mcp-security.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches and routes across 500+ indexed MCP servers and A2A tools via a single meta-router connection with token compression and prompt-injection firewall","exampleAgentPrompt":"Search the MCP tool marketplace for any indexed servers or A2A tools that handle 'context compression' and return the best matches with their endpoint details.","exampleUseCases":[{"title":"Discover tools for SEC filings","prompt":"Search the agent tool marketplace for any MCP servers or A2A tools that can pull SEC EDGAR filings or 10-K financial reports — I need the top matches with their endpoint info."},{"title":"Find prompt injection firewall tools","prompt":"Look up the MCP tool marketplace for anything indexed under 'prompt injection' or 'jailbreak firewall' — I want to see which safe-proxy endpoints are available for protecting my agent pipeline."},{"title":"Route swarm to GitHub audit capability","prompt":"Query the universal tool marketplace for MCP servers or A2A agents that handle GitHub repository security audits or dependency scanning, so I can wire my swarm to the right endpoint."}],"resultDescription":"Returns a filtered, token-compressed list of matching MCP servers and A2A tools from the 500+ indexed catalog, including endpoint metadata, capability descriptions, and safety-screening status from the Prompt-Guard firewall.","failureModes":["Empty or vague query returns broad or unhelpful results","Query for an unindexed capability returns no matches","Prompt-Guard firewall flags and blocks a query containing injection-like patterns","Rate limiting or payment failure (x402) when call budget is exceeded","Endpoint URL verification fails if the URL is malformed or unreachable"],"whenToPreferThis":"Use this endpoint when an AI agent or swarm needs to dynamically discover the right MCP server or A2A tool for a capability it doesn't already have hardcoded — especially when you want a single-connection router that handles token compression, safety filtering, and routing across 500+ tools rather than manually curating integrations.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:45:44.755Z","isFirstParty":false,"canonicalSlug":"mcp-security-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-88de6323"}