{"uid":"cap_yHVwH8o2bDjd_e0HON_Ya","slug":"agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-router-7bab4e2f","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/broker/execute)","url":"https://agentdiet.dev/v1/broker/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_gGoVEHBlpyz5KH1G9c7kO","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 and routes to 500+ MCP servers and A2A tools through a single connection with token compression and prompt-injection firewall protection.","exampleAgentPrompt":"Search the MCP and A2A tool index for 'SEC filings' — I need to find which available tools can pull financial disclosure data for my agent pipeline.","exampleUseCases":[{"title":"Agent swarm tool discovery","prompt":"Search the agentdiet tool index for 'context compression' — I want to find all available MCP servers my swarm can use to reduce token usage."},{"title":"Safe proxy routing for GitHub audits","prompt":"Find me MCP tools for 'github security' through the broker so I know which agents I can safely route my GitHub audit tasks to."},{"title":"Verify a specific endpoint capability","prompt":"Check the tool registry to verify whether this URL is a valid indexed endpoint: https://agentdiet.dev/v1/sec/filings — I want to confirm it's available before routing tasks to it."}],"resultDescription":"Returns a list of matching MCP servers or A2A tools relevant to the search query, with compressed tool manifests, routing metadata, and safety validation status from the Prompt-Guard firewall. Results are 85% token-compressed compared to raw tool schemas.","failureModes":["Empty query string returns validation error","No matching tools found for obscure or misspelled capability query","Endpoint URL verification returns unrecognized or unindexed status","Rate limit or payment failure (402) if USDC balance is insufficient","Prompt-Guard firewall may block queries containing adversarial injection patterns"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover and route to external MCP or A2A tools without managing multiple connections, especially when token budget is constrained (85% compression) or when safety filtering against prompt injection is required. Prefer this over direct tool registries when building multi-agent swarms that need a single unified capability search layer.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:41.715Z","isFirstParty":false,"canonicalSlug":"agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-swarm-router-3ece579a"}