{"uid":"cap_DDgYAaCxN1RhPBXcPytX7","slug":"json-repair-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-185ebbd0","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/a2a-router)","url":"https://json-repair.agentdiet.dev/v1/a2a-router?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_OlyqSMaJFdxIvMFj_Hcol","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 connection, with token compression and prompt-injection firewall.","exampleAgentPrompt":"Search the A2A and MCP tool index for any servers that can handle SEC filings or financial intelligence — I want to find and route to the right tool without connecting to each one separately.","exampleUseCases":[{"title":"Discover tools for on-chain risk analysis","prompt":"Find me any MCP servers or A2A tools in your index that can analyze on-chain risk or DEX token data — I want to know what's available before I start building my crypto agent."},{"title":"Route agent query to best capability match","prompt":"My agent needs context compression right now — search your tool index for the best available MCP server that handles that and route my query there."},{"title":"Verify a specific endpoint is live and compliant","prompt":"Can you check whether https://json-repair.agentdiet.dev/v1/a2a-router is a valid, compliant A2A endpoint and tell me its capability metadata?"}],"resultDescription":"Returns matched tool listings, capability metadata, and routed responses from indexed MCP servers and A2A agents, with up to 85% token compression applied and prompt-injection threats filtered by the Prompt-Guard firewall.","failureModes":["Empty or vague query returns no matches or low-confidence results","Queried endpoint URL is unreachable or non-compliant, returning a validation error","Token limit or compression failure if upstream tool response is malformed","Payment required (HTTP 402) if x402 micropayment is not provided or fails","No matching tools found for niche or unsupported capability queries"],"whenToPreferThis":"Choose this endpoint when you need to discover, search, or route across a broad ecosystem of MCP servers and A2A tools without maintaining individual connections to each. Ideal for agents that need to find the right tool dynamically, want 85% token compression on aggregated results, or require a prompt-injection firewall before passing queries to third-party tools.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T00:34:41.837Z","isFirstParty":false,"canonicalSlug":"json-repair-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-870ea088"}