{"uid":"cap_460sDBUw4rHGKi_Q-WVum","slug":"onchain-risk-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-0b14bcb2","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/b2b-osint-dag)","url":"https://onchain-risk.agentdiet.dev/v1/b2b-osint-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_6l22ao6v_di_e8EFHfHy9","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 queries across 500+ indexed MCP servers and A2A tools via a single connection, with token compression and prompt firewall protection","exampleAgentPrompt":"Search the MCP and A2A tool index for servers that handle 'context compression' — I want to see what's available so I can route my agent there without setting up multiple connections.","exampleUseCases":[{"title":"Finding tools for SEC filings","prompt":"Can you search the MCP tool index for anything that handles SEC filings or public company financial data? I want to find the best agent endpoint to route my finance queries to."},{"title":"Discovering prompt firewall capabilities","prompt":"Search the A2A and MCP tool directory for endpoints that offer prompt injection protection or a prompt guard firewall — I need to know what's available before I wire up my agent pipeline."},{"title":"Verifying an agent endpoint URL","prompt":"Can you check if this URL is indexed and compliant in the MCP tool router — https://onchain-risk.agentdiet.dev/v1/b2b-osint-dag — and tell me what capabilities it exposes?"}],"resultDescription":"A structured response listing matched MCP servers or A2A tools relevant to the query, with metadata such as endpoint URLs, capability descriptions, token-compressed summaries, and any firewall/safety flags applied by the Prompt-Guard layer.","failureModes":["Empty query string returns validation error (minLength:1)","Query with no matching tools returns empty results set","Endpoint URL verification for non-indexed URLs may return not-found","Firewall may block or flag queries containing prompt-injection patterns","Service unavailability or upstream MCP server timeouts may degrade results"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP server or A2A tool to call for a given capability, rather than hardcoding individual tool URLs. It is especially valuable in swarm or multi-agent architectures where a single routing layer with 85% token compression and built-in prompt safety is preferred over maintaining dozens of separate tool connections.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:41.335Z","isFirstParty":false,"canonicalSlug":"onchain-risk-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-0c8aadb4"}