{"uid":"cap_2W64ntVr-jbR-Jtz9mIiG","slug":"mesh-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-80081206","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://mesh.agentdiet.dev/v1/b2a-router)","url":"https://mesh.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_DCSWzP2RvJDpgGoHRMd40","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"mesh.agentdiet.dev","brandSlug":"mesh-agentdiet-dev-mpp","brandBaseUrl":"https://mesh.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches and routes across 500+ indexed MCP servers and A2A tools via a single connection, returning compressed capability results with prompt-injection protection.","exampleAgentPrompt":"Search the MCP and A2A tool index for any servers or agents that handle SEC filings and financial document retrieval — I want to see what's available and connect through a single safe proxy.","exampleUseCases":[{"title":"Finding tools for on-chain risk","prompt":"Search for MCP servers or A2A tools that can analyze on-chain risk or crypto wallet activity — I want a list of what's available so I can route my agent through the best one."},{"title":"Verifying an endpoint before calling it","prompt":"Before my agent calls this endpoint URL https://sometools.dev/api/v1/run, can you verify it's indexed and safe to proxy through the tool router?"},{"title":"Discovering GitHub audit agents","prompt":"Find me any MCP servers or A2A tools in the index that do GitHub repository auditing, dependency scanning, or supply-chain security — I need to pick one for my coding agent workflow."}],"resultDescription":"Returns a compressed list of matching MCP servers or A2A tools (with 85% token reduction), including capability descriptions, endpoint URLs, and prompt-injection firewall status. For URL verification, returns whether the endpoint is indexed and safe to proxy.","failureModes":["Empty or too-broad query returns too many results with low relevance","Unknown or unindexed endpoint URL returns no verification match","Query string missing or empty returns a 400/validation error","Downstream MCP server index temporarily unavailable causing partial results","x402 payment failure if USDC balance or payment header is missing"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to discover the right tool or MCP server from a large ecosystem rather than calling a known endpoint directly. Especially useful in swarm/orchestrator architectures where the agent must dynamically select from 500+ capabilities, or when you want prompt-injection firewall protection wrapping the discovery layer. Prefer this over building your own MCP registry or calling individual tool APIs blindly.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:51:17.104Z","isFirstParty":false,"canonicalSlug":"mesh-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-3ac1dbb7"}