{"uid":"cap_wQzRoZhkI1qluPnujcuD3","slug":"x402-audit-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-0ba310b8","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://x402-audit.agentdiet.dev/v1/web-rag-shield-dag)","url":"https://x402-audit.agentdiet.dev/v1/web-rag-shield-dag?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_hsh-xNlaR7lfmew4EEdTq","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"x402-audit.agentdiet.dev","brandSlug":"x402-audit-agentdiet-dev-mpp","brandBaseUrl":"https://x402-audit.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches an index of 500+ MCP servers and A2A tools by capability query, returning compressed, firewall-screened tool metadata via a single connection.","exampleAgentPrompt":"Search the MCP and A2A tool index for any servers that handle SEC filings or company enrichment — I need to find the right tool to plug into my agent pipeline.","exampleUseCases":[{"title":"Finding tools for GitHub security audits","prompt":"Search the MCP tool index for anything that can do GitHub security auditing or code scanning — I want to wire the right server into my agent workflow."},{"title":"Routing to a context compression server","prompt":"Can you find me an MCP server in the index that specializes in context compression? I need something that reduces token usage for my agent's memory layer."},{"title":"Discovering on-chain risk analysis tools","prompt":"Look up what A2A or MCP tools are available for on-chain risk analysis or DEX token intelligence so I can pick the safest one for my DeFi monitoring agent."}],"resultDescription":"Returns a compressed, Prompt-Guard-filtered list of matching MCP servers and A2A tools from the 500+ item index, including capability descriptions, endpoint details, and routing metadata — all delivered with up to 85% token compression.","failureModes":["Empty query string returns validation error (query minLength:1 enforced)","No matching tools found for an obscure capability query returns empty results","Upstream MCP server index unavailable causes degraded or empty response","Payment not completed (HTTP 402) blocks access to results","Prompt injection attempts blocked by Prompt-Guard firewall may alter or suppress results"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover and route to the right MCP server or A2A tool from a large index without maintaining its own tool registry. It is especially useful when token budget is constrained (85% compression), when security screening of tool outputs is required (Prompt-Guard firewall), or when you need a single connection point to access 500+ heterogeneous agent tools rather than managing individual integrations.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:22:42.061Z","isFirstParty":false,"canonicalSlug":"x402-audit-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-7322c524"}