{"uid":"cap_m-Pb4DRomtgdD4rXqIoWf","slug":"defi-yield-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-4efdb433","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/v1/security-audit-dag)","url":"https://defi-yield.agentdiet.dev/v1/security-audit-dag?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_lP_rb9BtOlW2XshYKieH2","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 across 500+ indexed MCP servers and A2A tools to discover, validate, and proxy agent-compatible capabilities with built-in prompt injection firewall","exampleAgentPrompt":"Search the MCP and A2A tool index for any available capabilities related to 'context compression' and return the best matching endpoints with their metadata.","exampleUseCases":[{"title":"Discovering tools for SEC filing research","prompt":"Search the agent tool index for any MCP servers or A2A endpoints that can pull or analyze SEC filings — I need to route my research agent to the right one."},{"title":"Finding prompt injection firewall tools","prompt":"Can you look through the indexed MCP and A2A tools for anything that scans for hidden prompt injections or jailbreak attempts in external content?"},{"title":"Routing agent to company enrichment capability","prompt":"Search available agent tools for 'company enrichment' so I can find the right MCP endpoint to feed into my lead generation pipeline."}],"resultDescription":"A token-compressed (up to 85% reduction) list of matching MCP servers or A2A tools from the 500+ indexed registry, including capability metadata, endpoint URLs, and security-filtered responses passed through the Prompt-Guard firewall. Results indicate which tools match the query and relevant routing details.","failureModes":["Empty or vague query returns low-relevance or no results","Query matches no indexed tools — empty result set returned","Rate limiting or payment failure (HTTP 402) if x402 micropayment not completed","Prompt-Guard firewall may suppress results it classifies as injection-risk","Indexed tool may be offline or unreachable despite being listed","Malformed query (minLength:1 not met) returns validation error"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP servers or A2A tools exist for a given capability, rather than hard-coding specific tool URLs. It is especially valuable when building swarm agents that need to route tasks to specialized tools, when you want a single connection point to 500+ tools, or when you need token-efficient capability discovery with built-in prompt injection protection. Prefer over manual MCP registry browsing or custom tool routing logic.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:32:27.808Z","isFirstParty":false,"canonicalSlug":"defi-yield-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-b31cc8b3"}