{"uid":"cap_At5qwBWXXtFvqFcwm1c12","slug":"json-repair-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-b793dcf9","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/tool-search)","url":"https://json-repair.agentdiet.dev/v1/tool-search?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_udCdg-XY196B5sETfUrKG","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 an index of 500+ MCP servers and A2A tools by capability query, returning compressed, firewall-filtered tool metadata for agent routing","exampleAgentPrompt":"Search the agentdiet tool index for MCP servers or A2A tools that can handle SEC filings — I want to see what's available with compressed metadata so I can add the right tool to my agent pipeline.","exampleUseCases":[{"title":"Swarm agent tool bootstrapping","prompt":"I'm building a multi-agent swarm and need to find all available MCP servers that handle GitHub security auditing — search the tool index and give me the top matches so I can wire them into my pipeline."},{"title":"Capability gap discovery for agent fleet","prompt":"My agent is missing a tool for B2B lead enrichment. Can you search the tool registry for anything that extracts company contact info and tech stack signals, and return the best matches?"},{"title":"Endpoint verification before integration","prompt":"Before I add this endpoint to my agent, can you verify it against the tool index — the URL is https://someservice.example.com/api/enrich — I want to know if it's listed and whether it's flagged as safe."}],"resultDescription":"Returns a structured list of matching MCP servers or A2A tools with compressed capability descriptions (85% token reduction), safety/firewall status from the Prompt-Guard layer, and routing metadata for swarm integration.","failureModes":["Missing or empty 'query' parameter returns a validation error","Query returns zero matches if the capability is not indexed","Rate limiting or payment failure (x402) if per-call quota is exceeded","Malformed endpoint URL when used in verification mode may return an invalid-input error"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover new tools or MCP servers at runtime without pre-configuring each integration individually — especially useful for swarm routing, capability gap detection, or verifying whether a known endpoint is safe and indexed. Prefer it over manual tool registries when token budget is tight (85% compression) or when you need Prompt-Guard firewall filtering before proxying tool calls.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:24.737Z","isFirstParty":false,"canonicalSlug":"json-repair-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-870ea088"}