{"uid":"cap_zqKugJIQ1aXoKY-UEu0rE","slug":"defi-yield-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-0ede5f1e","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://defi-yield.agentdiet.dev/api/mcp/audit)","url":"https://defi-yield.agentdiet.dev/api/mcp/audit?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_E8twef2mAhuz14z4-9vXZ","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"defi-yield.agentdiet.dev","brandSlug":"defi-yield-agentdiet-dev-mpp","brandBaseUrl":"https://defi-yield.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches a meta-index of 500+ MCP servers and A2A tools by capability query, returning compressed, firewall-screened results for agent routing.","exampleAgentPrompt":"Search the MCP tool index for anything that can do 'SEC filings' or 'company enrichment' and give me the best matching endpoints with compressed descriptions.","exampleUseCases":[{"title":"Discover tools for on-chain risk","prompt":"Search for MCP servers or A2A tools that handle on-chain risk analysis or smart contract security — I need to route my DeFi agent to the right one."},{"title":"Find prompt-injection firewall tools","prompt":"Look up what tools are available in the MCP index for prompt injection detection or jailbreak filtering so I can add a safety layer to my agent pipeline."},{"title":"Capability search for GitHub auditing","prompt":"Search the tool discovery index for anything that covers GitHub repository auditing, dependency scanning, or license risk — I need to pick the best one for my coding agent."}],"resultDescription":"Returns a structured list of matching MCP servers or A2A tools from the 500+ indexed entries, with 85% token-compressed descriptions and Prompt-Guard firewall screening applied. Results include tool names, capability summaries, and routing metadata to help an agent select and connect to the right endpoint.","failureModes":["Empty or vague query returns low-relevance or no results","Query for an unlisted or obscure tool category yields no matches","Endpoint URL verification fails if the target is offline or non-compliant","Rate limiting or payment failure (HTTP 402) if USDC balance is insufficient","Timeout if downstream MCP index is temporarily unavailable"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP server or A2A tool can handle a specific capability, rather than hardcoding a tool URL. It is especially useful for swarm orchestrators, agent pipelines that need to self-route, or any system where the right downstream tool is not known in advance. The built-in Prompt-Guard firewall and token compression make it preferable over raw tool directories when safety and context-window efficiency matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:31:18.454Z","isFirstParty":false,"canonicalSlug":"defi-yield-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-b31cc8b3"}