{"uid":"cap_fHPCQgdoVQ3ELt6gay41O","slug":"onchain-risk-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-2a30c2b9","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/b2a-router)","url":"https://onchain-risk.agentdiet.dev/v1/b2a-router?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_IRRJZ5quzi_KT-PKm_tDB","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 and returns token-compressed, firewall-filtered routing results via a single connection.","exampleAgentPrompt":"Search the MCP and A2A tool index for any tools that can do SEC filings retrieval — I need to find and route to the right server for my agent pipeline.","exampleUseCases":[{"title":"Discovering tools for GitHub security audits","prompt":"Search the swarm router for MCP servers that can do GitHub security auditing — I want to find the best-matched tool my agent can call directly."},{"title":"Finding a context compression tool for agent pipeline","prompt":"Can you search the MCP index for any tools focused on context compression or token reduction so I can plug them into my agent workflow?"},{"title":"Verifying a specific MCP endpoint URL","prompt":"Check whether this endpoint URL https://some-mcp-server.example.com/v1/tool is indexed, compliant, and safe to route traffic to through the swarm router."}],"resultDescription":"Returns a list of matching MCP servers and A2A tools filtered by the capability query, with token-compressed descriptions (up to 85% reduction), safety scores from the Prompt-Guard firewall, and routing metadata including endpoint URLs and protocol compliance indicators.","failureModes":["Empty or too-vague query returns no matches","Queried endpoint URL is not in the index, returning a not-found result","Firewall blocks a matched tool due to prompt-injection risk signals","Rate limiting or payment failure on the x402 micropayment layer","Upstream MCP server index unavailable or stale, returning degraded results"],"whenToPreferThis":"Choose this endpoint when you need to discover which MCP servers or A2A tools support a specific capability without maintaining your own tool registry, or when you want a firewall-protected, token-compressed single-connection proxy into the broader MCP ecosystem. It is especially useful for multi-agent orchestration systems that need dynamic tool routing at runtime rather than hardcoded tool lists.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:15.713Z","isFirstParty":false,"canonicalSlug":"onchain-risk-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-0c8aadb4"}