{"uid":"cap_RKaa8Or7bS9L2jSGg6Vak","slug":"domain-osint-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-d727f776","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/x402-gateway)","url":"https://domain-osint.agentdiet.dev/v1/x402-gateway?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_QpAkbnwzXvIUIonGdnZsc","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 an index of 500+ MCP servers and A2A tools by capability query, returning compressed, firewall-filtered results through a single meta-router connection","exampleAgentPrompt":"Search the MCP tool index for any servers or A2A tools that support SEC filings or company enrichment — I want to find what's available in one shot without connecting to dozens of servers individually.","exampleUseCases":[{"title":"Discover tools for on-chain risk analysis","prompt":"Search the MCP meta-router for any tools or servers that handle on-chain risk or blockchain OSINT — I need to find the right agent tool without manually checking hundreds of endpoints."},{"title":"Find context compression MCP servers","prompt":"Can you query the tool discovery router for MCP servers that offer context compression or token reduction? I'm trying to cut down on token usage in my agent pipeline."},{"title":"Verify a specific endpoint is in the index","prompt":"Check whether this URL is registered in the A2A and MCP tool index: https://some-agent-tool.example.com/v1/mcp — I want to make sure it's reachable and indexed before routing to it."}],"resultDescription":"Returns a compressed list of matching MCP servers and A2A tools relevant to the capability query, including endpoint metadata filtered through a Prompt-Guard firewall, with up to 85% token reduction compared to raw index responses. For URL verification queries, returns compliance and indexing status of the specified endpoint.","failureModes":["Empty or overly broad query returns too many results with low relevance","Unknown or unindexed endpoint URL returns no match on verification","Query terms too specific to a niche tool return zero results","Service unavailable if the meta-router itself is down or rate-limited","Malformed query (missing required 'query' parameter) returns 400 error"],"whenToPreferThis":"Use this endpoint when an agent needs to discover which MCP servers or A2A tools are available for a given capability without maintaining its own tool registry or connecting to hundreds of individual endpoints. Ideal for swarm orchestration, dynamic tool routing, and reducing token overhead when searching the MCP/A2A ecosystem. Prefer this over manual tool registries or individual endpoint probing when breadth of coverage and prompt safety (firewall) are priorities.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:51:12.371Z","isFirstParty":false,"canonicalSlug":"domain-osint-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-8753d8b2"}