{"uid":"cap_eShjNj9WWv5kn32UNGpPf","slug":"agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-router-72f07327","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://agentdiet.dev/v1/web-rag-shield-dag)","url":"https://agentdiet.dev/v1/web-rag-shield-dag?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_cwV6vEbEUWT1OQ8wng3GI","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"agentdiet.dev","brandSlug":"agentdiet-dev-mpp","brandBaseUrl":"https://agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches a meta-index of 500+ MCP servers and A2A tools by capability query, returning compressed tool descriptions through a prompt-injection firewall.","exampleAgentPrompt":"Search the MCP and A2A tool index for servers that can handle 'SEC filings' and tell me which ones are available with their compressed capability summaries.","exampleUseCases":[{"title":"Discover tools for GitHub security audits","prompt":"Search the MCP tool index for any servers or A2A tools that can do GitHub security auditing or code scanning — I want to know what's available so I can wire one into my pipeline."},{"title":"Verify a third-party MCP endpoint","prompt":"Can you check whether this endpoint URL is a valid, indexed MCP server and tell me if it passes the prompt-guard firewall check? The URL is https://example-mcp-provider.com/v1/tool."},{"title":"Find token-efficient company enrichment tools","prompt":"I need to find MCP tools that do B2B company enrichment but use compressed token output so I don't blow my context window — search the tool index for 'company enrichment' and show me what's indexed."}],"resultDescription":"Returns a compressed, firewall-filtered list of matching MCP servers or A2A tools from the 500+ tool index, including tool names, capability summaries (with ~85% token compression applied), and safety status from the Prompt-Guard firewall. May also return verification status if an endpoint URL was queried.","failureModes":["Query returns no matching tools if the capability term is too niche or misspelled","Endpoint URL verification may return unverified/unsafe if the target is not indexed","Generic or ambiguous queries may return a large unfiltered set","Rate limiting or payment failure (x402) may block access","Token compression artifacts may reduce fidelity of returned tool descriptions"],"whenToPreferThis":"Choose this endpoint when you need to dynamically discover which MCP servers or A2A tools exist for a given capability without pre-knowing their URLs, or when you want a single safe proxy point that applies prompt-injection filtering before routing to external tools. Particularly useful in multi-agent swarm architectures where tool availability needs to be resolved at runtime. Prefer over manual tool registries when token budget is a constraint, as the 85% compression is a distinctive advantage.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:35:45.040Z","isFirstParty":false,"canonicalSlug":"agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-router-3ece579a"}