{"uid":"cap_ymMsm2_2YspHZ8ijqG99j","slug":"domain-osint-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-eb18200d","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://domain-osint.agentdiet.dev/v1/mcp-gateway)","url":"https://domain-osint.agentdiet.dev/v1/mcp-gateway?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["query"],"properties":{"limit":{"type":"integer","default":20,"maximum":100,"minimum":1,"description":"Maximum number of items to return per page (1-100)"},"query":{"type":"string","minLength":1,"description":"Capability search query (e.g. 'context compression', 'github security', 'sec filings', 'company enrichment') or endpoint URL to verify"},"cursor":{"type":"string","description":"Opaque pagination cursor for fetching the next page"}}},"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_B_X-EngO-t_2_JkDFKJZd","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"domain-osint.agentdiet.dev","brandSlug":"domain-osint-agentdiet-dev-mpp","brandBaseUrl":"https://domain-osint.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches and indexes 500+ MCP servers and A2A agent tools by capability query, returning token-compressed results with prompt-injection firewall protection.","exampleAgentPrompt":"Search the MCP tool index for servers that handle 'company enrichment' and return the top 10 results — I want to find agent-compatible endpoints I can plug into my pipeline.","exampleUseCases":[{"title":"Discovering tools for SEC financial data","prompt":"Search the MCP gateway for any tools or servers that handle SEC filings or 10-K financial intelligence — show me up to 20 results so I can pick one to wire into my research agent."},{"title":"Finding prompt injection firewall tools","prompt":"I need to protect my agent swarm from indirect prompt injection — search the MCP tool index for 'prompt firewall' or 'jailbreak detection' tools and list what's available."},{"title":"Locating token compression MCP servers","prompt":"My agent is hitting context limits — search the MCP gateway index for servers that offer context compression or token pruning capabilities, give me the top 15 matches."}],"resultDescription":"A paginated JSON object listing matching MCP servers and A2A tools, including endpoint metadata, capability descriptions, and relevance-ranked results, compressed with up to 85% token reduction. Includes an opaque cursor for fetching additional pages.","failureModes":["Empty query string returns validation error","Query matching no indexed tools returns empty results list","Cursor from a previous session may be stale and return 404 or empty page","Rate limiting or payment failure (x402) if micropayment not resolved","Limit value out of range (>100 or <1) returns 400 bad request"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover MCP-compatible or A2A-compatible tools at runtime without pre-configuring dozens of individual connections. Ideal for swarm orchestrators, agent pipelines, or meta-agents that need to find the right capability on demand. Preferable over hard-coding individual MCP server URLs when the tool landscape is evolving or unknown.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:34:07.461Z","isFirstParty":false,"canonicalSlug":"domain-osint-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-8753d8b2"}