{"uid":"cap_oo2cumX0Oq3AZ5R5QDteY","slug":"json-repair-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-af0ec871","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/v1/x402-broker)","url":"https://json-repair.agentdiet.dev/v1/x402-broker?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_d0274h-q51s4kKtXrms4Y","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 routes across 500+ indexed MCP servers and A2A tools via a single meta-router endpoint with token compression and prompt injection firewall","exampleAgentPrompt":"Search across all indexed MCP servers and A2A tools for anything that can do 'SEC filings' or 'company enrichment' — I want to see what's available and route my request to the best match.","exampleUseCases":[{"title":"Discover tools for GitHub security audits","prompt":"Search your MCP index for any tools that handle GitHub repository security audits or dependency scanning — show me what's available so I can pick the best one."},{"title":"Route capability query for web distillation","prompt":"I need to find an agent tool that can distill web URLs into compact tokens — can you search the 500+ MCP servers you index and tell me which ones support that capability?"},{"title":"Find domain OSINT or TLS recon tools","prompt":"Look through your indexed A2A and MCP tools for anything related to domain OSINT, TLS certificate inspection, or DNS reconnaissance — what's available?"}],"resultDescription":"Returns a structured response listing matching MCP servers or A2A tools relevant to the search query, including endpoint references and capability summaries, delivered with up to 85% token compression through the meta-router's Prompt-Guard-filtered proxy layer.","failureModes":["Empty or too-short query returns no useful matches","Query for an unsupported capability returns empty results with no fallback","Prompt injection attempts in query are blocked by Prompt-Guard firewall, returning a rejection response","Network timeout if upstream MCP servers are slow to respond","Payment not processed (HTTP 402) if x402 credit is insufficient"],"whenToPreferThis":"Choose this endpoint when you need to discover which MCP server or A2A tool supports a specific capability without knowing in advance which provider to call — especially useful for agent orchestration layers that need dynamic tool routing across a heterogeneous index of 500+ servers. Prefer this over hardcoded tool calls when the required capability is unknown at design time or when token budget is a concern due to its 85% compression.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:34:35.112Z","isFirstParty":false,"canonicalSlug":"json-repair-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-870ea088"}