{"uid":"cap_oH0LqWCw47SQ-mI1GQIAk","slug":"workflows-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-1fa3be0e","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/mesh/dispatch)","url":"https://workflows.agentdiet.dev/v1/mesh/dispatch?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_It66n2FvLAnaUfOAlFnQ2","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 tool metadata with prompt-injection firewall protection","exampleAgentPrompt":"Search the MCP tool index for any servers that handle 'github security' auditing — I need to find a safe-proxy route to one with token-compressed responses.","exampleUseCases":[{"title":"Discovering tools for SEC filing retrieval","prompt":"Search the MCP mesh for any tools that can pull SEC filings or EDGAR data — I need to find which servers support that capability so my agent can route calls to them."},{"title":"Finding on-chain risk analysis agents","prompt":"Look through the A2A and MCP index for tools that handle on-chain risk or smart contract security — I want to know what's available before I build my DeFi workflow."},{"title":"Locating email verification endpoints","prompt":"Search the tool discovery mesh for any MCP servers or A2A agents that do email verification or lead enrichment — list what's available with their capability summaries."}],"resultDescription":"Returns a compressed index of matching MCP servers and A2A tools relevant to the query, including capability summaries, endpoint references, and safety-filtered metadata. Responses are token-compressed at approximately 85% to minimize context usage.","failureModes":["Missing or empty query string returns a 400 validation error","Query matches no indexed tools resulting in an empty result set","Payment not attached triggers HTTP 402 requiring x402 micropayment","Prompt injection detected by Prompt-Guard firewall blocks malicious queries","Upstream MCP server unavailable causes partial result set","Rate limiting on high-frequency swarm routing calls"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP servers or A2A tools are available for a given capability, rather than hardcoding tool endpoints. Ideal for swarm orchestration, dynamic workflow construction, or when building meta-agents that need to route sub-tasks to specialized tools without pre-knowing all available endpoints. The 85% token compression makes it particularly useful when operating under tight context window budgets.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:24:19.327Z","isFirstParty":false,"canonicalSlug":"workflows-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-9abf6654"}