{"uid":"cap_Eydqqw5kQ1IW2iQekW6mz","slug":"workflows-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-80ee2d5a","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/workflows/execute)","url":"https://workflows.agentdiet.dev/v1/workflows/execute?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_-sMix8NWjcrWqY6GSkmU0","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 a meta-index of 500+ MCP servers and A2A tools by capability query, returning token-compressed results through a Prompt-Guard firewall","exampleAgentPrompt":"Search the MCP and A2A tool index for servers that can handle 'SEC filings' — I need to find the right tool to route my agent to for financial document extraction.","exampleUseCases":[{"title":"Routing agent to SEC filing tool","prompt":"I'm building an autonomous research agent and need to find which MCP servers in your index support SEC filings or EDGAR data — can you search for that and give me the best match?"},{"title":"Discovering context compression tools","prompt":"Search the MCP tool index for anything related to 'context compression' — I want to reduce token usage in my agent pipeline and need to find the right server to connect to."},{"title":"Finding GitHub security audit agents","prompt":"Which A2A tools or MCP servers in your directory handle GitHub security audits? Search for 'github security' and return the top matches so I can wire them into my swarm."}],"resultDescription":"Returns a token-compressed list of matching MCP servers and A2A tools from a 500+ entry index, including capability metadata, filtered through a Prompt-Guard firewall to prevent prompt injection from untrusted tool responses.","failureModes":["Missing or empty 'query' parameter returns a 400 error","No matching tools found for the query returns an empty result set","Payment not processed via x402 returns 402 Payment Required","Firewall blocks a result flagged as prompt injection attempt","Upstream MCP server index unavailable causes degraded or empty results"],"whenToPreferThis":"Choose this endpoint when you need to discover which MCP servers or A2A tools are available for a given capability without maintaining your own registry, especially when token efficiency matters (85% compression) or when you need a single connection that routes across 500+ tools with built-in prompt injection protection.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:24:46.726Z","isFirstParty":false,"canonicalSlug":"workflows-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-9abf6654"}