{"uid":"cap_Rn_wlsc5xq0mkrJptkPR5","slug":"workflows-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-f43cc36e","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/b2b-osint-dag)","url":"https://workflows.agentdiet.dev/v1/b2b-osint-dag?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_OAcf_AEdH4SeQuV4iHsi4","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 and routes to 500+ MCP servers and A2A tools by capability query, returning token-compressed results through a prompt-injection firewall","exampleAgentPrompt":"Search the MCP and A2A tool index for capabilities related to 'SEC filings' — I want to find which servers or tools can handle that so I can route my agent to the right one.","exampleUseCases":[{"title":"Discover tools for GitHub security audits","prompt":"Search the A2A and MCP tool registry for anything related to 'github security' — I need to find which tool or server my agent should call to audit a GitHub repo."},{"title":"Find company enrichment MCP server","prompt":"Which MCP servers in your index support company enrichment or B2B lead data? Search for 'company enrichment' and tell me what's available."},{"title":"Route agent to context compression tool","prompt":"My agent needs context compression to reduce token usage — can you search the MCP tool index for 'context compression' and tell me which server handles that?"}],"resultDescription":"Returns a list of matching MCP servers or A2A tools relevant to the query, with token-compressed capability descriptions, endpoint metadata, and routing information, all filtered through a Prompt-Guard firewall to block injected malicious content.","failureModes":["Empty or ambiguous query returns no relevant matches","Query too broad may return many loosely matched tools","Endpoint URL verification may fail for offline or private servers","Token-compressed output may omit fine-grained tool details","Rate limit or payment required (x402) if quota exceeded"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover which MCP server or A2A tool to call for a given capability, rather than hardcoding a specific tool. Ideal for swarm architectures or meta-agents that need to route tasks across a large, evolving tool ecosystem. The built-in prompt-injection firewall makes it safer than querying tool registries directly.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:16.734Z","isFirstParty":false,"canonicalSlug":"workflows-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-9abf6654"}