{"uid":"cap_Onu00YpuUZaBZtrExbh7w","slug":"domain-osint-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-04f7bee2","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/agent-router)","url":"https://domain-osint.agentdiet.dev/v1/agent-router?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_5wYMxKIPzL5Sm0Z53yB8Y","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 500+ indexed MCP servers and A2A tools to discover matching capabilities, returning token-compressed results through a prompt-injection firewall","exampleAgentPrompt":"Search the MCP and A2A tool index for any servers or agents that can do context compression — I want to find all available tools for that capability.","exampleUseCases":[{"title":"Finding tools for SEC financial research","prompt":"Search the agent tool index for any MCP servers or A2A tools that handle SEC filings or public company financial intelligence — I want to know what's available before I build my research pipeline."},{"title":"Routing swarm to web search capability","prompt":"I'm setting up an agent swarm and need to discover which indexed MCP servers can do live web search or news grounding — can you query the tool router for that capability?"},{"title":"Vetting an unknown tool endpoint","prompt":"Before I connect my agent to this endpoint URL https://some-tool.example.com/api, can you run it through the tool discovery router to verify it's a known, safe MCP or A2A endpoint?"}],"resultDescription":"A token-compressed list of matching MCP servers or A2A tools relevant to the query, including metadata about each tool's capability, filtered through a Prompt-Guard firewall to remove malicious or injected content. Results are compressed by approximately 85% compared to raw responses.","failureModes":["Query too vague — returns zero or irrelevant tool matches","Endpoint URL verification fails if the URL is not indexed or unreachable","Rate limiting or payment failure via x402 if insufficient funds","Prompt-Guard firewall may block or redact results it flags as suspicious","Malformed or empty query string returns validation error"],"whenToPreferThis":"Use this endpoint when an agent needs to dynamically discover which MCP server or A2A tool to call for a given task, rather than hardcoding a specific tool. Ideal for swarm orchestration, meta-routing, and building tool-agnostic pipelines. Prefer this over manually maintaining a tool registry when the ecosystem is large (500+ tools) and changes frequently. The built-in prompt-injection firewall makes it safer than directly querying unknown MCP endpoints.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:36:49.628Z","isFirstParty":false,"canonicalSlug":"domain-osint-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-8753d8b2"}