{"uid":"cap_5fgOtJEpBS8wc2KROzMyW","slug":"x402-audit-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-a64ada77","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/api/mcp/audit)","url":"https://x402-audit.agentdiet.dev/api/mcp/audit?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_xqOQAFDhL1Zf7J0xJ6elC","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 and routes to 500+ MCP servers and A2A tools via a single connection, with token compression and prompt-injection firewall.","exampleAgentPrompt":"Search the MCP tool index for any available servers that handle 'SEC filings' or 'company enrichment' — I want to find what agent tools are out there so I can route my swarm to the right one.","exampleUseCases":[{"title":"Swarm routing for GitHub security audits","prompt":"My agent swarm needs to do GitHub security audits — search the MCP index for tools that cover GitHub security so I can route tasks to the right server."},{"title":"Finding context compression tools for LLM pipelines","prompt":"I'm building an LLM pipeline and need to cut token usage — can you search the A2A and MCP tool index for anything related to context compression?"},{"title":"Discovering on-chain risk analysis agents","prompt":"I need to find MCP servers or A2A tools that can do on-chain risk analysis for DeFi — search the tool registry and tell me what's available."}],"resultDescription":"Returns a list of matching MCP servers or A2A tools relevant to the query, including metadata about each tool's capabilities, with 85% token-compressed output and prompt-injection filtering applied via the Prompt-Guard firewall.","failureModes":["Missing or empty 'query' parameter returns a validation error","Query returns no matching tools if the capability is not indexed","Firewall may block or sanitize queries flagged as prompt injection attempts","Upstream MCP server index may be stale or partially unavailable","Paid endpoint may return HTTP 402 if payment not configured"],"whenToPreferThis":"Use this endpoint when an AI agent needs to dynamically discover, search, or route to MCP servers or A2A tools without maintaining individual connections to hundreds of services. Ideal for agent swarms, orchestrators, or pipelines that need a single gateway with built-in safety filtering and token efficiency. Prefer over direct MCP connections when breadth of coverage (500+ servers), prompt-injection protection, or token budget constraints matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:25.742Z","isFirstParty":false,"canonicalSlug":"x402-audit-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-7322c524"}