{"uid":"cap_BGBSw8y5tOmJH4chDN07l","slug":"x402-audit-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-820f026d","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/b2b-osint-dag)","url":"https://x402-audit.agentdiet.dev/v1/b2b-osint-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_9Yr1K2ZA6ObPHgy-G5ZTf","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 a meta-index of 500+ MCP servers and A2A agent tools by capability query, returning compressed, prompt-injection-guarded results via a single connection.","exampleAgentPrompt":"Search the MCP and A2A tool index for servers that support 'SEC filings' — I want to find the best available agent tool for pulling public company filing data.","exampleUseCases":[{"title":"Discover MCP servers for GitHub audits","prompt":"Can you search the MCP tool index for any servers that handle GitHub security audits or code scanning? I want to find the right agent tool to use in my pipeline."},{"title":"Find tools for B2B company enrichment","prompt":"Search across all indexed A2A and MCP tools for anything that does B2B company enrichment or lead data — I need to add that capability to my agent workflow."},{"title":"Verify an agent endpoint before use","prompt":"Before I route traffic to it, can you check the tool index and verify whether https://some-mcp-server.example.com is a known, safe MCP endpoint?"}],"resultDescription":"A compressed, Prompt-Guard-filtered list of matching MCP servers and A2A tool entries relevant to the capability query, including metadata such as tool names, descriptions, and endpoint details, with up to 85% token reduction applied.","failureModes":["Empty or too-broad query returns low-relevance results or an empty list","Unknown endpoint URL passed for verification returns no match","Rate limiting or x402 payment failure blocks the request","Prompt injection attempt in query field is blocked by Prompt-Guard firewall, returning a rejection","Downstream MCP index unavailable causes degraded or empty results"],"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 a specific tool. Especially useful for swarm orchestration, capability negotiation, or when building agent pipelines that need to self-configure based on available tools. The 85% token compression makes it suitable for use within tight context windows, and the Prompt-Guard firewall adds a layer of safety when routing untrusted queries.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:37:51.240Z","isFirstParty":false,"canonicalSlug":"x402-audit-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-7322c524"}