{"uid":"cap_c13BBhgLBOFnE1WrSd2A-","slug":"github-audit-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-0453e4cb","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://github-audit.agentdiet.dev/v1/tool-broker)","url":"https://github-audit.agentdiet.dev/v1/tool-broker?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_3m2ygNVNwQjJQmPOkX2VX","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"github-audit.agentdiet.dev","brandSlug":"github-audit-agentdiet-dev-mpp","brandBaseUrl":"https://github-audit.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches an index of 500+ MCP servers and A2A tools, returning compressed capability metadata and proxying calls through a prompt-injection firewall","exampleAgentPrompt":"Search the MCP tool index for servers that handle SEC filings and company enrichment — I want to see what's available so I can route my agent to the right one.","exampleUseCases":[{"title":"Discovering tools for GitHub security audits","prompt":"Search the MCP index for any tools that can audit GitHub repositories for security vulnerabilities — I need to pick the best one to plug into my agent pipeline."},{"title":"Verifying a third-party agent endpoint before use","prompt":"Can you check whether this endpoint URL I found — https://some-agent-tool.example.com/api — is actually a compliant MCP or A2A server before I connect my agent to it?"},{"title":"Finding on-chain risk and DEX intelligence tools","prompt":"I'm building a DeFi monitoring agent and need to find MCP servers in the index that cover on-chain risk analysis and DEX token intelligence — what's available?"}],"resultDescription":"Returns a compressed list of matching MCP server or A2A tool entries from the 500+ tool index, including capability descriptors, endpoint URLs, compliance status, and token-compressed metadata. If an endpoint URL is provided, returns a verification result indicating schema compliance and safety status.","failureModes":["Empty query string returns validation error (minLength:1 required)","No matching tools found for obscure or overly narrow query","Upstream MCP server index temporarily unavailable (503)","Endpoint URL verification fails if target is offline or non-compliant","HTTP 402 payment required if x402 credits are not pre-funded"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP server or A2A tool to use for a given capability, rather than hard-coding a specific tool. Also prefer this when you want to verify a third-party agent endpoint for compliance and prompt-injection safety before routing live traffic to it. It is especially useful for swarm orchestration scenarios where the correct downstream tool is not known at build time.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:27.693Z","isFirstParty":false,"canonicalSlug":"github-audit-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-b9feed5d"}