{"uid":"cap_r8pq5K_F7_YjMCCPbZoaX","slug":"serp-extract-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-5e07413b","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://serp-extract.agentdiet.dev/v1/mcp-router)","url":"https://serp-extract.agentdiet.dev/v1/mcp-router?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_GXsypuvFQKik0oWGWmsqE","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"serp-extract.agentdiet.dev","brandSlug":"serp-extract-agentdiet-dev-mpp","brandBaseUrl":"https://serp-extract.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches a meta-index of 500+ MCP servers and A2A agent tools to find, validate, and proxy-route matching capabilities for any agent query.","exampleAgentPrompt":"Search the MCP tool registry for a capability that handles SEC filings or financial document extraction — I need to find which agent tools are available and route to the right one.","exampleUseCases":[{"title":"Finding a tool for B2B lead enrichment","prompt":"Search the MCP router for any available agent tools that do B2B company enrichment or contact extraction — I want to know which servers in the index support that capability."},{"title":"Routing swarm agents to the right tool","prompt":"I'm building a multi-agent swarm and need to discover which MCP servers in your index can handle on-chain risk analysis or DEX token intelligence — can you find and route me to the best match?"},{"title":"Verifying a known endpoint before use","prompt":"Check whether this endpoint URL is listed and verified in your MCP tool index: https://serp-extract.agentdiet.dev/v1/sec-filings — I want to confirm it's safe and get its metadata before my agent calls it."}],"resultDescription":"Returns a compressed, token-pruned list of matching MCP servers or A2A tools from a 500+ endpoint index, including their metadata, routing instructions, and safety status as determined by the Prompt-Guard firewall layer.","failureModes":["Empty query string returns validation error","No matching tools found for obscure or niche queries","Endpoint URL verification returns unrecognized/unlisted result","Upstream MCP server index temporarily unavailable causing partial results","Rate limit or payment failure via x402 preventing access"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover which MCP servers or A2A tools are available for a given capability, rather than hardcoding tool URLs. It is especially useful in swarm architectures, orchestration layers, or meta-agents that need to route subtasks to appropriate specialized tools. Prefer this over manual tool registries when breadth of coverage (500+ indexed servers), token compression, and a safety firewall are priorities.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:30:10.767Z","isFirstParty":false,"canonicalSlug":"serp-extract-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-8d70db86"}