{"uid":"cap_6IyPU-z224scczN6H-Wal","slug":"json-repair-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-e8d2301b","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/web-rag-shield-dag)","url":"https://json-repair.agentdiet.dev/v1/web-rag-shield-dag?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_LPvLTFMsbJAWpQUdwIsRC","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 query, returning compressed capability matches with built-in prompt safety filtering.","exampleAgentPrompt":"Search the MCP and A2A tool index for any available servers that handle 'SEC filings' or 'company enrichment' — I want to find the best tool to route that work to.","exampleUseCases":[{"title":"Finding MCP tools for code auditing","prompt":"Search the MCP tool index for any servers that can do GitHub security audits or dependency scanning — I want to route my coding agent to the right one."},{"title":"Verifying a specific MCP endpoint","prompt":"Can you check if this endpoint URL is listed and verified in the MCP index: https://some-mcp-server.example.com/v1/tool — I want to make sure it's safe to connect to."},{"title":"Discovering compression-capable agent tools","prompt":"Find me all available A2A tools or MCP servers that support context compression or token budgeting — I'm trying to reduce token usage across my agent swarm."}],"resultDescription":"Returns a compressed, safety-filtered list of matching MCP servers or A2A tools relevant to the capability query, including tool metadata and routing information, with up to 85% token compression applied to the response payload.","failureModes":["Empty or vague query returns no matches or low-relevance results","Queried endpoint URL not found in the index returns a not-found or unverified status","Prompt-Guard firewall may block queries containing injection-like patterns","Rate limiting or payment failure (x402) blocks access","Index may not reflect newly registered MCP servers in real time"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP servers or A2A tools are available for a given capability rather than hardcoding tool connections. Particularly useful for swarm orchestration, dynamic routing, and when token budget is constrained (due to 85% compression). Also use it to verify or validate a specific MCP endpoint URL before connecting.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:49:14.749Z","isFirstParty":false,"canonicalSlug":"json-repair-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-870ea088"}