{"uid":"cap_6bmXHglQgRqf5mQKhtgm2","slug":"agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-router-b27ff145","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://agentdiet.dev/v1/crypto-alpha-dag)","url":"https://agentdiet.dev/v1/crypto-alpha-dag?utm_source=zero.xyz","method":"POST","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_o6DQuDlpVNhhKPE3ORb8t","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"agentdiet.dev","brandSlug":"agentdiet-dev-mpp","brandBaseUrl":"https://agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches a meta-index of 500+ MCP servers and A2A tools by capability query, returning compressed tool descriptors through a prompt-injection firewall proxy","exampleAgentPrompt":"Search the agentdiet meta-router for MCP servers and A2A tools that can do 'github security audits' — I want a compressed list of the best matches with routing info, filtered through the prompt-injection firewall.","exampleUseCases":[{"title":"Agent swarm tool bootstrapping","prompt":"I'm spinning up a new agent swarm and need to find all available MCP tools that handle 'SEC filings and company enrichment' — can you query the meta-router and give me the top matches with their capabilities?"},{"title":"Safe proxied capability search","prompt":"Before my agent calls any external tool, I want to find MCP servers that do 'web distillation and content summarization' and have them routed through the prompt-guard firewall — search the tool index for me."},{"title":"Capability gap discovery for pipeline","prompt":"My agent pipeline needs a tool for 'on-chain risk scoring' — search the 500+ indexed MCP servers and A2A tools for the best match and return a token-compressed summary I can feed directly into my prompt."}],"resultDescription":"Returns a structured object containing matched MCP server and A2A tool descriptors relevant to the query, with up to 85% token compression applied to reduce prompt overhead, and all results filtered through the Prompt-Guard firewall to block hidden injection attacks.","failureModes":["Query too vague returns low-relevance tool matches","No matching tools found for niche capability query returns empty result set","Prompt-Guard firewall blocks query if it resembles injection pattern","Malformed query string (empty or null) returns 400 validation error","Payment not fulfilled via x402 returns 402 Payment Required","Timeout if downstream MCP index is slow to respond"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP servers or A2A tools are available for a given capability without hardcoding tool lists. Ideal for agent swarms that need single-connection access to a broad tool ecosystem with built-in prompt-injection safety and token budget constraints. Prefer over manual tool registries when you need compressed, firewall-sanitized tool metadata at runtime.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:31:00.048Z","isFirstParty":false,"canonicalSlug":"agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-router-3ece579a"}