{"uid":"cap_2MShtUqWyqcd7eGJmZjn_","slug":"domain-osint-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-debf66e6","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/workflows/rag-context-sanitizer)","url":"https://domain-osint.agentdiet.dev/v1/workflows/rag-context-sanitizer?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_xH6O_xyK4b0FFgwlnVarc","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 routes across 500+ indexed MCP servers and A2A tools, returning token-compressed capability matches with prompt-injection firewall protection.","exampleAgentPrompt":"Search the MCP and A2A tool index for anything that handles 'SEC filings' or 'company enrichment' — I want to find the best available tool and make sure it's safe to use.","exampleUseCases":[{"title":"Agent tool discovery for on-chain risk","prompt":"Find me all available MCP servers or A2A tools in the index that can do on-chain risk analysis or smart contract security scanning — I want to see which ones are available and token-efficient."},{"title":"Safe endpoint verification before use","prompt":"Before my agent calls this endpoint URL https://some-tool.example.com/api, can you check whether it's indexed, what it does, and whether it passes the prompt-injection safety check?"},{"title":"Capability search for multi-agent swarm","prompt":"I'm building a swarm of AI agents and need to find tools that handle 'domain OSINT' and 'email deliverability' — search the MCP index and give me the best matches with compressed summaries."}],"resultDescription":"Returns a token-compressed list of matching MCP servers or A2A tools relevant to the query, including capability descriptions, endpoint metadata, and prompt-safety status for each result, filtered through the Prompt-Guard firewall.","failureModes":["Empty query string returns validation error","No matching tools found for obscure capability queries returns empty results","Endpoint URL verification may fail for private or unlisted endpoints","Rate limiting or 402 payment required if usage quota exceeded","Malformed query may return unexpected or low-relevance results"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP server or A2A tool is best suited for a given capability — especially when routing across a large catalog of 500+ tools, when token budget is tight (85% compression), or when untrusted tool sources must be validated through a prompt-injection firewall before use.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:49.061Z","isFirstParty":false,"canonicalSlug":"domain-osint-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-8753d8b2"}