{"uid":"cap_lWHp7gXk6cz2_wB0BupLU","slug":"mcp-security-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-deee57d5","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://mcp-security.agentdiet.dev/v1/bundle-execute)","url":"https://mcp-security.agentdiet.dev/v1/bundle-execute?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_AcQAQLfObJAWWkjLL0bU4","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"mcp-security.agentdiet.dev","brandSlug":"mcp-security-agentdiet-dev-mpp","brandBaseUrl":"https://mcp-security.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches a meta-index of 500+ MCP servers and A2A tools by capability query, returning relevant endpoints with token-compressed results and prompt-injection firewall protection.","exampleAgentPrompt":"Search the MCP and A2A tool index for capabilities related to 'GitHub security audits' — I want to find available servers or tools I can add to my agent stack.","exampleUseCases":[{"title":"Discover SEC filing tools for agent","prompt":"Search the MCP tool index for anything related to 'SEC filings' or financial document retrieval — I want to plug a capable tool into my research agent."},{"title":"Find prompt injection firewall tools","prompt":"Look through the A2A and MCP tool registry for 'prompt firewall' or 'prompt guard' capabilities — I need to add safety filtering to my AI agent pipeline."},{"title":"Locate token compression MCP servers","prompt":"Search for MCP servers that support context or token compression — I'm trying to reduce LLM costs in my swarm and need a compatible tool."}],"resultDescription":"A token-compressed list of matching MCP servers and A2A tools relevant to the capability query, with endpoint metadata, routing details, and safety-filtered output from the Prompt-Guard firewall layer.","failureModes":["Empty or too-broad query returns low-relevance results","Query string missing required 'query' parameter returns 400 error","No matching tools found in index for niche capability returns empty result set","Payment not fulfilled (x402) results in 402 Payment Required response","Prompt-Guard firewall blocks queries that appear adversarial or injection-like"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover and route to MCP servers or A2A tools at runtime without managing multiple separate connections. Especially useful when building agent swarms that need safe, token-efficient tool discovery with built-in prompt injection protection.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:48:11.577Z","isFirstParty":false,"canonicalSlug":"mcp-security-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-88de6323"}