{"uid":"cap_5mDxn9C2wTLUKt4j6q5bP","slug":"json-repair-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-55ee145a","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://json-repair.agentdiet.dev/api/mcp/audit)","url":"https://json-repair.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__d95G1qXmO-CeoV3zWVSd","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"json-repair.agentdiet.dev","brandSlug":"json-repair-agentdiet-dev-mpp","brandBaseUrl":"https://json-repair.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches and discovers capabilities across 500+ indexed MCP servers and A2A tools using a single query, with token-compressed results and prompt-injection firewall protection.","exampleAgentPrompt":"Search the MCP and A2A tool index for anything that handles 'SEC filings' or 'company enrichment' — I need to find the best available endpoint for pulling financial data on public companies.","exampleUseCases":[{"title":"Find MCP server for context compression","prompt":"I'm building an agent pipeline and need to compress token usage — search the MCP tool index for any servers that offer context compression or token budget control."},{"title":"Verify a live MCP endpoint URL","prompt":"Can you check if this MCP server URL is live and properly registered: https://some-vendor.dev/api/mcp — I want to make sure it's indexed and functional before wiring it into my swarm."},{"title":"Discover A2A tools for on-chain risk","prompt":"I need to add on-chain risk analysis to my autonomous trading agent — search the A2A tool directory for anything covering DeFi risk scoring or blockchain transaction analysis."}],"resultDescription":"Returns a compressed, firewall-screened list of matching MCP servers and A2A tools relevant to the query, including capability descriptions, endpoint URLs, and verification status — with up to 85% token reduction compared to raw tool manifests.","failureModes":["Missing required 'query' parameter returns a 400 validation error","Query matches no indexed tools and returns an empty result set","Endpoint URL verification query returns unresolvable or inactive status","Payment not fulfilled results in HTTP 402 response blocking access","Overly broad queries may return low-relevance results due to wide index scope"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP servers or A2A tools are available for a given capability without hardcoding tool manifests — especially useful for swarm orchestration, tool selection at runtime, or verifying whether a specific MCP URL is live and indexed. Prefer over manual registry browsing when token efficiency matters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:22:44.522Z","isFirstParty":false,"canonicalSlug":"json-repair-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-870ea088"}