{"uid":"cap_z4N2bmEi3dhW3IPK5G7eD","slug":"domain-osint-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-b431c4fe","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/tool-search)","url":"https://domain-osint.agentdiet.dev/v1/tool-search?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_RPMQcrCWj1rWMCAjgQcI1","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 natural-language capability query, returning compressed, firewall-screened results for agent routing","exampleAgentPrompt":"Search the MCP and A2A tool index for servers that can handle 'company enrichment and lead generation' — I need to find the best available tool to route that capability to.","exampleUseCases":[{"title":"Routing a swarm agent to the right tool","prompt":"I'm building a multi-agent pipeline and need to find which MCP server handles 'SEC filings and 10-K financial data' — can you search the tool index and tell me what's available?"},{"title":"Discovering context compression tools","prompt":"Search the A2A tool registry for anything that does context compression or token reduction — I want to plug the best option into my agent to cut down on LLM costs."},{"title":"Verifying an endpoint before proxying","prompt":"Before I route agent traffic through it, can you look up https://some-mcp-server.example.com/v1/tool in the tool discovery index and tell me if it's a known, safe MCP endpoint?"}],"resultDescription":"Returns a compressed, token-efficient list of matching MCP servers or A2A tools relevant to the query, including capability descriptions and endpoint references, filtered through a Prompt-Guard firewall to remove malicious or injected content.","failureModes":["Empty query string returns a validation error","No matching tools found returns an empty result set","Malicious or prompt-injecting endpoints are filtered out and flagged","Service unavailable if the meta-router index is temporarily offline","Payment required (HTTP 402) if x402 balance is insufficient"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover or route to the right MCP server or A2A tool from a large, curated index of 500+ options, especially when token efficiency and safety filtering (Prompt-Guard) are priorities. Prefer this over hardcoding tool endpoints or using a smaller registry when broad coverage and compressed responses matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:37:44.723Z","isFirstParty":false,"canonicalSlug":"domain-osint-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-8753d8b2"}