{"uid":"cap_bYi2xg5Cn1IxC6W-9OqbO","slug":"x402-audit-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-4b77a0c8","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/bundle-execute)","url":"https://x402-audit.agentdiet.dev/v1/bundle-execute?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_pAF-tHgle2uSyqLsl8C-M","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 matching endpoints with token-compressed results and prompt-injection firewall protection.","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 a GitHub security audit tool","prompt":"Search the tool index for MCP servers that can do GitHub repository security audits — I want to find which endpoints are available so I can wire one into my CI pipeline agent."},{"title":"Discovering email verification capabilities","prompt":"Can you look up what MCP or A2A tools are available for email verification? I need to find something my outreach agent can use to validate addresses before sending."},{"title":"Routing to an on-chain risk analysis tool","prompt":"Search for any indexed tools that handle on-chain risk or DEX token intelligence — I'm building a DeFi monitoring agent and need to know what's available to route to."}],"resultDescription":"Returns a list of matching MCP servers or A2A tools ranked by relevance to the query, with compressed descriptions (up to 85% token reduction), endpoint URLs, capability summaries, and firewall-validated safety status. Response is a generic JSON object containing discovery results.","failureModes":["Empty query string returns validation error","No matching tools found for obscure capability queries","Prompt-Guard firewall may block queries that resemble injection attempts","Payment required (HTTP 402) if x402 credentials are missing or insufficient","Timeout if the backend index is temporarily unavailable"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover which MCP server or A2A tool to delegate a task to, especially when the right tool is not known in advance. Prefer it over hardcoded tool lists when building swarm architectures or meta-agents that need to route across 500+ tools. The built-in prompt-injection firewall makes it safer than assembling your own tool registry, and the 85% token compression keeps discovery costs low.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:31:01.104Z","isFirstParty":false,"canonicalSlug":"x402-audit-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-7322c524"}