{"uid":"cap_npWSjmG2SYPYOn02Nkeyk","slug":"x402-audit-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-b70815b9","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://x402-audit.agentdiet.dev/v1/workflows/rag-context-sanitizer)","url":"https://x402-audit.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_JtDcbJRUVZi-Y_F5tRYr4","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"x402-audit.agentdiet.dev","brandSlug":"x402-audit-agentdiet-dev-mpp","brandBaseUrl":"https://x402-audit.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches and routes across 500+ indexed MCP servers and A2A tools with token-compressed results and prompt injection firewall protection","exampleAgentPrompt":"Search the MCP and A2A tool index for anything that can do GitHub security audits — I want to see what's available across all indexed servers, with compressed results.","exampleUseCases":[{"title":"Discovering SEC filings tools for agent","prompt":"Search your indexed MCP servers and A2A tools for anything that can pull SEC filings or EDGAR data — I need to find the right tool for my research agent."},{"title":"Routing agent queries to email verification","prompt":"Find me an MCP endpoint or A2A tool in the index that handles email verification — something with a prompt firewall so it's safe to call from my agent pipeline."},{"title":"Locating context compression capability","prompt":"Which of the 500-plus indexed tools can do RAG context sanitization or token compression? Search the tool index for that capability."}],"resultDescription":"Returns a filtered list of matching MCP servers and A2A tools from the 500+ indexed registry, with token-compressed metadata, relevance rankings, prompt-safety status, and routing recommendations for the queried capability or verified endpoint URL.","failureModes":["Empty or too-short query returns no results","Query matches no indexed tools — empty result set","Endpoint URL verification returns unresolvable or non-compliant target","Payment not processed — HTTP 402 returned blocking access","Index may be stale if a tool was recently added or removed","Overly broad queries may return too many loosely matched tools"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP server or A2A tool can fulfill a capability at runtime, rather than hard-coding tool endpoints. Especially useful when building swarm-style multi-agent systems that need safe, token-efficient tool routing across a large heterogeneous index, or when you need prompt-injection firewall protection on inbound tool context.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:20:43.627Z","isFirstParty":false,"canonicalSlug":"x402-audit-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-7322c524"}