{"uid":"cap_mY-VgWAKzHdbguFOV8VFv","slug":"domain-osint-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-7afeea50","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-tool-marketplace)","url":"https://domain-osint.agentdiet.dev/v1/agent-tool-marketplace?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_UvxU0RKsaMSbpcKZ6yBtx","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 a meta-index of 500+ MCP servers and A2A tools by capability query, returning compressed tool listings routed through a Prompt-Guard firewall.","exampleAgentPrompt":"Search the agent tool marketplace for MCP servers or A2A tools that handle 'github security' — I want to find what's available with token-compressed results.","exampleUseCases":[{"title":"Find a context compression tool","prompt":"Search the MCP tool marketplace for anything that handles context compression — I need to reduce token usage in my agent pipeline and want to see what tools are indexed."},{"title":"Verify a specific endpoint URL","prompt":"Can you look up https://some-tool.example.com/v1/endpoint in the agent tool marketplace to verify it's a legitimate, safe MCP endpoint before I connect my agent to it?"},{"title":"Discover SEC filing tools","prompt":"Search the agent tool marketplace for any A2A or MCP tools that can pull SEC filings — I want to find the best available option for my financial research agent."}],"resultDescription":"Returns a compressed listing of matching MCP servers and A2A tools from the 500+ indexed catalog, with capability metadata, filtered through the Prompt-Guard firewall. Results use 85% token compression to minimize context overhead.","failureModes":["Query too vague returns no meaningful matches","Endpoint URL verification returns inconclusive result if URL is not indexed","Payment not processed (x402 flow fails) results in 402 error with no results","Rate limiting or quota exceeded returns error","Firewall (Prompt-Guard) blocks a query deemed unsafe"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover available MCP servers or A2A tools by capability at runtime, rather than hardcoding tool integrations. Especially useful when you want a single-connection meta-router that handles safe-proxying and token compression across a broad catalog of 500+ tools.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:24:19.019Z","isFirstParty":false,"canonicalSlug":"domain-osint-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-8753d8b2"}