{"uid":"cap_Bo_Oxur-ePFsw8tiHuy59","slug":"workflows-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-0915ec68","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://workflows.agentdiet.dev/v1/crypto-alpha-dag)","url":"https://workflows.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_cfH8-o1oSzb1RwfVXVg7s","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"workflows.agentdiet.dev","brandSlug":"workflows-agentdiet-dev-mpp","brandBaseUrl":"https://workflows.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches an index of 500+ MCP servers and A2A tools by capability query, returning compressed, firewall-filtered results for agent routing and tool discovery.","exampleAgentPrompt":"Can you search the A2A and MCP tool index for any servers that handle SEC filings or company financial data enrichment, and tell me which ones are available?","exampleUseCases":[{"title":"Discovering tools for GitHub security audits","prompt":"Search your MCP tool index for any servers that can do GitHub security audits or code vulnerability scanning — I want to find the best one to route my agent through."},{"title":"Finding on-chain risk analysis capabilities","prompt":"Look up what MCP or A2A tools are available for on-chain risk analysis and DEX token intelligence so I can wire up my crypto research agent."},{"title":"Validating a known MCP endpoint before use","prompt":"I have this MCP server URL I want to use — can you check it against the tool index to verify it's listed and compliant before I route traffic to it?"}],"resultDescription":"Returns a compressed, Prompt-Guard-filtered list of matching MCP servers and A2A tool endpoints relevant to the query, including metadata about each tool's capabilities, latency profile, and compliance status, delivered with up to 85% token compression.","failureModes":["Empty query string returns validation error","Unknown or unlisted endpoint URL returns no match","Query too vague returns low-relevance results","Firewall (Prompt-Guard) may block queries containing prompt-injection patterns","Service unavailable if upstream MCP index is unreachable","Payment required (HTTP 402) if x402 payment header is missing or invalid"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover which MCP servers or A2A tools exist for a given capability rather than hard-coding tool URLs. It is especially useful for swarm orchestration, tool-routing logic, and situations where token budget is constrained (85% compression). Prefer it over direct MCP server calls when the right tool is unknown or when you need a safe proxy with prompt-injection firewall protection.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:36:50.314Z","isFirstParty":false,"canonicalSlug":"workflows-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-9abf6654"}