{"uid":"cap_LN5FsS0mCk8vWx4y7IN0K","slug":"onchain-risk-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-457e948a","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://onchain-risk.agentdiet.dev/v1/crypto-alpha-dag)","url":"https://onchain-risk.agentdiet.dev/v1/crypto-alpha-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_JK7HxuYSg2R4y1IfXJ6JS","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"onchain-risk.agentdiet.dev","brandSlug":"onchain-risk-agentdiet-dev-mpp","brandBaseUrl":"https://onchain-risk.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches and routes to 500+ MCP servers and A2A tools via a single meta-router connection with token compression and prompt firewall protection","exampleAgentPrompt":"Search the MCP and A2A tool index for any servers that can handle SEC filings or company enrichment — I want to see what's available so I can wire it into my agent pipeline.","exampleUseCases":[{"title":"Discovering tools for a new agent pipeline","prompt":"I'm building an agent that needs to handle GitHub security audits — can you search the MCP tool index to find what servers are available for that capability?"},{"title":"Finding a context compression MCP server","prompt":"My agent is hitting token limits — search for MCP tools that offer context compression or token reduction so I can plug one in."},{"title":"Verifying an endpoint before routing","prompt":"Before I send traffic to this MCP endpoint URL, can you check it against the tool index to verify it's legitimate and SLA-compliant?"}],"resultDescription":"Returns a list of matching MCP servers or A2A tool endpoints from an index of 500+ options, along with metadata about each tool's capabilities, possibly with token-compressed context and firewall-screened results.","failureModes":["Empty query string returns validation error","Query matches no indexed tools — returns empty result set","Endpoint URL verification fails if the URL is unreachable or not indexed","Rate limiting or payment failure when x402 micropayment is not satisfied","Firewall (Prompt-Guard) blocks results if query pattern is flagged as adversarial"],"whenToPreferThis":"Use this endpoint when an AI agent needs to dynamically discover which MCP servers or A2A tools are available for a given capability, rather than hardcoding tool URLs. Ideal for swarm routers, orchestration layers, or agent builders who want a single connection point to 500+ tools with built-in safety filtering and token compression.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:12.808Z","isFirstParty":false,"canonicalSlug":"onchain-risk-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-0c8aadb4"}