{"uid":"cap_z7tNlYXSlDG1dwmeZO-9S","slug":"mesh-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-a3aa36e0","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/broker/catalog)","url":"https://mesh.agentdiet.dev/v1/broker/catalog?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_7wOiit7xT6fVLRX8FB76h","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 a catalog of 500+ MCP servers and A2A tools by capability query, returning token-compressed results filtered through a prompt-injection firewall","exampleAgentPrompt":"Search the AgentDiet MCP catalog for tools that handle 'SEC filings' — I need to find which servers in the index support that capability so I can route to the right one.","exampleUseCases":[{"title":"Routing agent to right tool","prompt":"I need to find an MCP server that can do GitHub security audits — search the tool catalog for 'github security' and tell me what's available."},{"title":"Capability gap discovery for swarm","prompt":"Before I build my research swarm, can you query the MCP catalog for 'ArXiv paper search' so I know which tools I can plug in for academic literature retrieval?"},{"title":"Verifying an endpoint before use","prompt":"Can you check whether this endpoint URL is indexed and verified in the AgentDiet broker catalog: https://some-mcp-server.example.com/v1/tool"}],"resultDescription":"A token-compressed (up to 85% reduction) list of matching MCP servers or A2A tools from the 500+ item index, including capability metadata and routing info, filtered through a Prompt-Guard firewall to remove injection risks.","failureModes":["Empty or too-vague query returns no matches or overly broad results","Query for an endpoint URL not in the catalog returns no verification result","Rate limiting or payment failure (x402) blocks access","Firewall may reject queries resembling prompt-injection patterns","Catalog staleness may mean newly added servers are not yet indexed"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to discover which MCP server or A2A tool supports a specific capability before routing a task, especially when operating across a large heterogeneous tool ecosystem. It is preferable over manual tool registries when token efficiency matters and when prompt-injection safety is required for untrusted tool sources.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:51:28.766Z","isFirstParty":false,"canonicalSlug":"mesh-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-3ac1dbb7"}