{"uid":"cap_LL1PUjJXEKMrXJ54W1Bo1","slug":"token-intel-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-217886fe","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://token-intel.agentdiet.dev/v1/web-rag-shield-dag)","url":"https://token-intel.agentdiet.dev/v1/web-rag-shield-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_6BeaKN5eKiZDwmeq2fKZO","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"token-intel.agentdiet.dev","brandSlug":"token-intel-agentdiet-dev-mpp","brandBaseUrl":"https://token-intel.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches and routes across 500+ MCP servers and A2A tools via a single connection with token compression and prompt injection firewall","exampleAgentPrompt":"Search the MCP and A2A tool index for anything that can do 'context compression' or 'GitHub security audits' — I want to find the right tool to route my next agent call through.","exampleUseCases":[{"title":"Discover tools for SEC filing retrieval","prompt":"Find me any MCP servers or A2A tools in the index that handle SEC filings or financial document retrieval — I need to route my agent to the right one."},{"title":"Route agent query to compression-capable tool","prompt":"Search the tool registry for anything that supports token or context compression so my agent swarm can reduce costs on long-context calls."},{"title":"Verify a specific endpoint before routing","prompt":"Check if this endpoint URL is indexed and safe to proxy through your MCP router: https://some-mcp-server.example.com/v1/tool — I want to make sure it passes the prompt firewall before I use it."}],"resultDescription":"Returns a list of matching MCP servers or A2A tools relevant to the query, with compressed metadata about each tool's capabilities, along with safety/firewall status and routing information. Response is token-compressed by up to 85%.","failureModes":["No matching tools found for the query — returns empty result set","Query string too vague or short — may return irrelevant or low-confidence matches","Endpoint URL provided for verification is not indexed — returns not-found status","Prompt injection detected by Prompt-Guard — request blocked with firewall rejection","Payment failure (x402) if USDC balance insufficient — returns 402 Payment Required","Upstream MCP server unavailable — routing failure with error details"],"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 orchestration, tool routing, and safely proxying through an unknown or untrusted MCP endpoint. The built-in Prompt-Guard firewall makes it preferable when prompt injection risk is a concern.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-26T04:46:40.936Z","isFirstParty":false,"canonicalSlug":"token-intel-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-4de1292d"}