{"uid":"cap_-mJOWO08qZ3HCkElOvFcl","slug":"x402-audit-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-3d5ed7f6","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://x402-audit.agentdiet.dev/v1/workflows/code-release-security-gate)","url":"https://x402-audit.agentdiet.dev/v1/workflows/code-release-security-gate?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_1ZKH_ycWuIjEhwcXWn9bO","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"x402-audit.agentdiet.dev","brandSlug":"x402-audit-agentdiet-dev-mpp","brandBaseUrl":"https://x402-audit.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches a meta-index of 500+ MCP servers and A2A tools by capability query, returning compressed, firewall-screened results through a single connection.","exampleAgentPrompt":"Search the MCP and A2A tool index for any available endpoints that handle 'github security' — I want to discover what tools are indexed and get back the best matches with compressed descriptions.","exampleUseCases":[{"title":"Discovering SEC filing tools for an agent","prompt":"I'm building a finance agent and need to find any MCP or A2A tools in the index that can pull SEC filings — search for 'sec filings' and tell me what's available."},{"title":"Routing to a context compression capability","prompt":"My agent is running out of tokens — search the tool index for 'context compression' capabilities so I can route to something that will help shrink my prompt context."},{"title":"Verifying safety of an external MCP endpoint","prompt":"Before I let my agent call this external server at https://some-mcp.example.com, can you run it through the tool discovery router to check if it's indexed and passes the prompt firewall?"}],"resultDescription":"A structured JSON object listing matching MCP servers and A2A tools for the query, with 85% token-compressed capability descriptions, safety/firewall status from the Prompt-Guard layer, and routing metadata for single-connection access.","failureModes":["Empty or too-generic query returns no meaningful matches","Queried endpoint URL not found in the 500+ index, returning empty results","Prompt-Guard firewall flags a query as potentially malicious and blocks it","Payment not processed (x402 HTTP 402 response) if $0.01 USDC not provided","Service unavailable if meta-router backend is down, returning 5xx"],"whenToPreferThis":"Choose this endpoint when an agent needs to dynamically discover which MCP or A2A tools are available for a given capability at runtime, rather than hardcoding tool URLs. It is especially useful for swarm-orchestration scenarios, when you want a single safe-proxy connection instead of managing many tool connections, or when you need token-efficient capability descriptions for large tool catalogs.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:24:58.232Z","isFirstParty":false,"canonicalSlug":"x402-audit-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-7322c524"}