{"uid":"cap_lzYx5FnWWdiC2OpC8u5gp","slug":"mcp-security-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-c73817e6","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/b2b-osint-dag)","url":"https://mcp-security.agentdiet.dev/v1/b2b-osint-dag?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_JwLto0AoBhPvvQkMYOLvq","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 an index of 500+ MCP servers and A2A tools by capability query, routing requests through a token-compressed safe proxy with prompt-injection firewall.","exampleAgentPrompt":"Search the MCP tool index for servers that can handle 'company enrichment' — I need to find a safe, token-compressed route to an A2A endpoint that does B2B lead data.","exampleUseCases":[{"title":"Discover tools for SEC filings","prompt":"Search your MCP index for any tools or servers that can pull SEC filings data — I want to find the best endpoint to route through safely."},{"title":"Route through prompt-safe proxy","prompt":"I need to call an external MCP server but want it filtered through a prompt-injection firewall first — can you find and proxy a 'github security audit' tool from your index?"},{"title":"Find token-efficient web distillation tools","prompt":"Search the 500+ MCP server index for anything that does web distillation or URL summarization, and give me results with 85% token compression so I don't blow my context window."}],"resultDescription":"Returns a list of matching MCP servers or A2A tool endpoints relevant to the search query, with token-compressed metadata, safety scores from the Prompt-Guard firewall, and routing information for connecting to the selected tool.","failureModes":["Query too vague returns no matches or low-confidence results","Requested tool is no longer available in the index","Prompt-Guard firewall blocks a tool response flagged as potentially malicious","Payment via x402 fails if USDC balance is insufficient","Malformed query (empty string) rejected by schema validation","Upstream MCP server timeout causes partial or null result"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP server or A2A tool to call for a given capability, rather than hard-coding a specific endpoint. It is especially valuable when token efficiency matters (85% compression), when you need prompt-injection safety screening on external tool responses, or when orchestrating a swarm of agents across many tool providers from a single connection.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T06:44:42.731Z","isFirstParty":false,"canonicalSlug":"mcp-security-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-88de6323"}