{"uid":"cap__PRcNjLZj-G5uA5xBBZbI","slug":"json-repair-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-18e02fe1","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-broker)","url":"https://json-repair.agentdiet.dev/v1/tool-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_ElEdELU178OpKbz6suOou","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 to 500+ indexed MCP servers and A2A tools via a single connection, with 85% token compression and a built-in Prompt-Guard firewall.","exampleAgentPrompt":"Search the MCP tool index for any servers that handle 'company enrichment' or 'B2B lead data' and tell me which ones are available and what they do.","exampleUseCases":[{"title":"Swarm agent tool discovery","prompt":"I'm building a multi-agent swarm and need to find every MCP server in your index that handles SEC filings or financial data — list what's available and give me their details."},{"title":"Safe proxy routing for unknown endpoints","prompt":"Before my agent calls this external MCP endpoint, can you route it through your Prompt-Guard firewall and verify it's safe to use? Here's the URL: https://some-mcp-server.example.com/v1"},{"title":"Capability search for coding agent","prompt":"My coding agent needs a tool that can do GitHub dependency auditing and license risk checks — search your 500+ tool index and tell me which MCP servers or A2A tools cover that capability."}],"resultDescription":"Returns a structured object listing matched MCP servers or A2A tools relevant to the query, including endpoint metadata, capability summaries, and routing information. Responses are token-compressed by up to 85% and have passed through the Prompt-Guard firewall before delivery.","failureModes":["Empty or overly broad query returns too many or irrelevant tool matches","Queried capability not yet indexed returns empty result set","Prompt-Guard firewall blocks a proxied endpoint flagged as unsafe, returning a rejection notice","Payment not processed (HTTP 402) if x402 payment header is missing or malformed","Timeout if the upstream MCP server being proxied is unresponsive"],"whenToPreferThis":"Choose this endpoint when an agent needs to discover, route to, or safely proxy any of 500+ MCP servers or A2A tools from a single connection, especially when token budget is limited (85% compression) or when prompt injection safety is a concern. Prefer over direct MCP server calls when the target tool is unknown and needs to be discovered dynamically, or when a firewall layer is required before invoking untrusted endpoints.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:33:56.810Z","isFirstParty":false,"canonicalSlug":"json-repair-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-870ea088"}