{"uid":"cap_HSe_9PuSEA_nPftUXeHGj","slug":"github-audit-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-76b03424","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://github-audit.agentdiet.dev/v1/web-rag-shield-dag)","url":"https://github-audit.agentdiet.dev/v1/web-rag-shield-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_WiWAXia-ccW_ZVWKvgpKX","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"github-audit.agentdiet.dev","brandSlug":"github-audit-agentdiet-dev-mpp","brandBaseUrl":"https://github-audit.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches and routes across 500+ indexed MCP servers and A2A tools via a single connection, with token compression and prompt injection firewall","exampleAgentPrompt":"Search the MCP and A2A tool index for any servers that handle SEC filings or company enrichment, and route me to the best match with compressed context.","exampleUseCases":[{"title":"Finding GitHub security audit tools","prompt":"Search the tool index for any MCP servers that can do GitHub security audits or code vulnerability scanning — I want to find the best available one I can connect to."},{"title":"Routing to context compression endpoint","prompt":"I need to find and connect to an MCP tool that does context compression to reduce my token usage — search the index and give me the top match."},{"title":"Verifying an external MCP endpoint","prompt":"Can you check whether this MCP endpoint URL is indexed and verified as safe: https://example-mcp-server.com/v1/tools — I want to make sure it's legitimate before my agent calls it."}],"resultDescription":"Returns a list of matching MCP servers or A2A tools from the 500+ index, with compressed metadata describing their capabilities, along with safety/verification status from the Prompt-Guard firewall layer.","failureModes":["Empty or vague query returns no matches or low-confidence results","Queried endpoint URL not found in index returns empty verification result","Index may not reflect recently added or removed MCP servers","Token compression artifacts may reduce fidelity of returned tool descriptions","HTTP 402 payment required if USDC micropayment not completed"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP server or A2A tool to call without maintaining its own tool registry, or when routing across many tools via a single connection with built-in safety filtering. Prefer it over direct tool calls when tool availability is uncertain or when prompt injection protection is needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:12.804Z","isFirstParty":false,"canonicalSlug":"github-audit-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-b9feed5d"}