{"uid":"cap_L3fA5dZ4Y2KzHTnz8-Q5t","slug":"mcp-compiler-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-3f6f6865","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://mcp-compiler.agentdiet.dev/v1/a2a-mesh)","url":"https://mcp-compiler.agentdiet.dev/v1/a2a-mesh?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_08QdtBYp2ltVFJ7JJjfiD","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"mcp-compiler.agentdiet.dev","brandSlug":"mcp-compiler-agentdiet-dev-mpp","brandBaseUrl":"https://mcp-compiler.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches and routes across 500+ indexed MCP servers and A2A tools via a single connection, with token compression and prompt injection protection.","exampleAgentPrompt":"Search the A2A mesh for any tools that handle SEC filings retrieval — I need to find the best MCP server for that capability and get it routed through the safe proxy.","exampleUseCases":[{"title":"Discover tools for lead enrichment","prompt":"Search the agent tool index for anything that can do B2B lead enrichment or company data lookup — I want to find the best available MCP server for that and see what it offers."},{"title":"Route agent to token compression tool","prompt":"Find me an MCP tool on the mesh that can compress context tokens by at least 80% — I'm building a multi-step agent and need to cut down on token usage between steps."},{"title":"Find safe GitHub security audit agent","prompt":"Search for a GitHub security or code audit capability across the 500+ indexed tools — I want to run it through the prompt firewall so I know it's safe before connecting my agent to it."}],"resultDescription":"Returns a list of matched MCP servers or A2A tools relevant to the capability query, including metadata about each tool, routing information, and compressed context-ready descriptions. May also return compliance or verification status if an endpoint URL is provided as the query.","failureModes":["Empty results if query is too narrow or no indexed tools match the capability","Rate limiting or payment required errors (HTTP 402) if x402 payment not provided","Timeout if upstream MCP servers in the mesh are slow to respond","Malformed query returns validation error","Prompt injection attempts blocked by Prompt-Guard firewall with rejection response"],"whenToPreferThis":"Choose this endpoint when you need to discover which MCP server or A2A tool to use for a given capability rather than calling a known tool directly — especially useful when building multi-agent swarms that need dynamic tool selection, when you want token-compressed tool metadata to reduce context overhead, or when you need a safe proxied route with prompt injection protection before connecting to an unknown external agent.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:09.025Z","isFirstParty":false,"canonicalSlug":"mcp-compiler-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-3602c71e"}