{"uid":"cap_CfLc3n4FGjwfHnVYjgmGf","slug":"alpha-stream-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-ea96e655","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://alpha-stream.agentdiet.dev/v1/universal-mcp-gateway)","url":"https://alpha-stream.agentdiet.dev/v1/universal-mcp-gateway?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_ZtQp0KuxyxGErVqI2OKX9","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"alpha-stream.agentdiet.dev","brandSlug":"alpha-stream-agentdiet-dev-mpp","brandBaseUrl":"https://alpha-stream.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Discovers, proxies, and routes queries across 500+ MCP servers and A2A tools via a single meta-router endpoint with token compression and prompt-injection firewall.","exampleAgentPrompt":"Search the universal MCP gateway for any available tools that handle 'SEC filings' or 'company financial data' — I need to find the right MCP server to plug into my agent pipeline.","exampleUseCases":[{"title":"Finding MCP tools for lead enrichment","prompt":"Search the MCP tool index for anything that does B2B lead enrichment or company data lookup — I want to find a server I can connect my agent to."},{"title":"Routing agent query to right tool","prompt":"I need to find the best MCP server for 'github security audit' — can you query the universal gateway and tell me what's available and how to connect?"},{"title":"Discovering context compression capabilities","prompt":"Look through the MCP registry for tools that do context compression or token reduction — I'm trying to reduce my agent's token usage and need the right server."}],"resultDescription":"Returns a list of matching MCP servers or A2A tools ranked by relevance to the query, with connection details, capability summaries, and token-compressed metadata. Results are filtered through a Prompt-Guard firewall to prevent injection attacks.","failureModes":["Empty or too-broad query returns low-quality or excessive results","Queried capability not available in the 500+ server index returns empty match set","Firewall blocks a legitimate query flagged as potentially adversarial","Payment failure (x402) prevents access to the endpoint","Timeout if the meta-router is indexing or refreshing its server list"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover which MCP server or A2A tool can fulfill a capability at runtime, rather than hard-coding a specific integration. Ideal for swarm architectures, agent orchestrators, or any pipeline where the right downstream tool is not known in advance. The built-in Prompt-Guard firewall makes it safer than calling unknown MCP servers directly.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:34:23.388Z","isFirstParty":false,"canonicalSlug":"alpha-stream-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-4c5998e1"}