{"uid":"cap_Rt01TQL22tEWfp2w0-Hva","slug":"onchain-risk-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-f97fe03f","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/broker/execute)","url":"https://onchain-risk.agentdiet.dev/v1/broker/execute?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_H3DGOXUIR-fWGtxZeKz2x","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 an index of 500+ MCP servers and A2A tools by capability query, returning compressed, firewall-screened tool metadata via a single connection","exampleAgentPrompt":"Search the MCP tool index for any servers that support SEC filings or company enrichment — I want to know what's available before routing my agent there.","exampleUseCases":[{"title":"Finding tools for on-chain risk analysis","prompt":"Search the tool index for any MCP servers or A2A agents that handle on-chain risk or DEX token intelligence — I need to pick one for my crypto compliance workflow."},{"title":"Routing agent to a GitHub security auditor","prompt":"Look up what MCP tools are available for GitHub security auditing so I can wire my swarm agent into the right one automatically."},{"title":"Verifying an external MCP endpoint","prompt":"Can you check whether this endpoint URL is indexed and safe to use: https://some-mcp-server.example.com — I want to confirm it's in the registry before my agent calls it."}],"resultDescription":"Returns a compressed list of matching MCP servers or A2A tools relevant to the query, including tool names, capability summaries, and routing metadata, all filtered through a Prompt-Guard firewall to remove malicious or non-compliant entries.","failureModes":["Missing or empty query returns validation error","Query returns no matches if capability is not indexed among the 500+ servers","Endpoint URL verification fails if the target is unreachable or non-compliant","HTTP 402 payment required if x402 billing is not satisfied","Rate limiting or timeout if the meta-router is under load"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover which MCP server or A2A tool to delegate a task to, rather than hardcoding a specific tool. It is especially useful for swarm orchestration, capability gap-filling at runtime, or safely proxying to an unknown external tool with firewall protection. Prefer this over direct tool calls when the right downstream tool is not yet known.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:59.133Z","isFirstParty":false,"canonicalSlug":"onchain-risk-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-0c8aadb4"}