{"uid":"cap_UvZ-nr9S1lXLR7npzH0Wf","slug":"json-repair-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-4181e143","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/workflows/rag-context-sanitizer)","url":"https://json-repair.agentdiet.dev/v1/workflows/rag-context-sanitizer?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_D1KFrGrCqfSCc3znnVmRY","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 relevant endpoints with token-compressed metadata and prompt-guard filtering.","exampleAgentPrompt":"Search the MCP and A2A tool index for any servers or agents that can handle 'SEC filings' — I want to find the best available tool to pull company financial disclosures.","exampleUseCases":[{"title":"Discovering tools for lead enrichment","prompt":"Search the agent tool index for any MCP servers or A2A tools that can do B2B lead enrichment or company data lookup — I need to find something I can plug into my sales workflow."},{"title":"Finding a prompt safety firewall","prompt":"Can you search the MCP tool directory for any prompt firewall or prompt injection guard tools? I want to add safety filtering to my agent pipeline."},{"title":"Locating GitHub audit capabilities","prompt":"Look through the A2A and MCP tool index for anything that can do GitHub repository security audits or code scanning — I need to wire up an automated audit step."}],"resultDescription":"A list of matching MCP servers and A2A tool endpoints relevant to the capability query, with token-compressed metadata (up to 85% compression) and any prompt-guard firewall annotations applied. Results are returned as a JSON object containing ranked tool descriptions and connection details.","failureModes":["Empty result set if query term is too obscure or not represented in the 500+ server index","Malformed or overly short query string returns validation error","Endpoint URL verification may fail if target is offline or non-compliant","Rate limiting or 402 payment required if call quota is exceeded","Prompt-Guard firewall may block queries containing injected or adversarial content"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP server or A2A tool to delegate a subtask to, rather than hard-coding a specific tool integration. It is particularly useful for meta-orchestration scenarios where the agent doesn't know in advance which capability provider to use, or when building swarm-style multi-agent pipelines that need runtime tool routing with safety filtering.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:45.614Z","isFirstParty":false,"canonicalSlug":"json-repair-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-870ea088"}