{"uid":"cap_3rwRv5FZ2LrAF6P0WgjiG","slug":"x402-audit-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-a7361ebb","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/crypto-alpha-dag)","url":"https://x402-audit.agentdiet.dev/v1/crypto-alpha-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_3shsY1MENy4QIIe9tIy2j","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":"Meta-router that searches and proxies 500+ MCP servers and A2A tools via a single connection, with 85% token compression and prompt-injection firewall.","exampleAgentPrompt":"Search the MCP and A2A tool index for servers that handle 'company enrichment' and route my request through the safe proxy with token compression enabled.","exampleUseCases":[{"title":"Finding a crypto risk analysis tool","prompt":"Search the tool index for MCP servers that do on-chain crypto risk or DEX token intelligence — I want to find something I can plug into my agent pipeline."},{"title":"Discovering SEC filings capability","prompt":"I need to find an MCP tool that can pull SEC filings — can you search the meta-router index for 'SEC filings' and tell me what's available?"},{"title":"Locating a prompt firewall tool","prompt":"Search the A2A tool registry for anything related to 'prompt injection' or 'jailbreak firewall' — I want to add safety screening to my agent swarm."}],"resultDescription":"Returns matching MCP server or A2A tool entries from a 500+ item index relevant to the query, with token-compressed metadata and safety-screened payloads. Response schema is a generic object containing discovered tool listings, endpoint details, and routing metadata.","failureModes":["Query too vague — returns low-relevance results or empty match set","Payment not received (x402) — endpoint returns 402 requiring USDC micropayment before proceeding","Prompt-Guard firewall blocks query if it resembles an injection attempt","Upstream MCP server unavailable — proxy returns degraded or partial results","Rate limiting if idempotency key is reused across distinct requests"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover which MCP servers or A2A tools are available for a given capability rather than hardcoding a specific tool. It is especially useful for swarm orchestration, building tool-selection pipelines, or when the right downstream tool is unknown at design time. The built-in 85% token compression and prompt-injection firewall make it preferable over raw MCP server enumeration when safety and efficiency matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:31:49.328Z","isFirstParty":false,"canonicalSlug":"x402-audit-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-7322c524"}