{"uid":"cap_aBXFnj1hCt66Vjg444bUr","slug":"shopify-intel-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-a75b31fd","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://shopify-intel.agentdiet.dev/v1/agent-tool-marketplace)","url":"https://shopify-intel.agentdiet.dev/v1/agent-tool-marketplace?utm_source=zero.xyz","method":"POST","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_k2xw0f2yM40YfIg7hWI4_","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"shopify-intel.agentdiet.dev","brandSlug":"shopify-intel-agentdiet-dev-mpp","brandBaseUrl":"https://shopify-intel.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches a meta-index of 500+ MCP servers and A2A tools by capability query and routes the call through a safe proxy with prompt-injection firewall and 85% token compression.","exampleAgentPrompt":"Search the MCP and A2A tool marketplace for any tools that handle SEC filings or company enrichment — I want the top results with compressed metadata so I can pick the best one for my research agent.","exampleUseCases":[{"title":"Routing agent to best SEC filing tool","prompt":"Search the agent tool marketplace for any MCP servers or A2A tools that can pull SEC filings — I need a compressed summary of the best matches so my research agent can connect to one."},{"title":"Finding a prompt-safe GitHub auditing tool","prompt":"Look up the tool marketplace for a GitHub security auditing capability — I want to make sure the result passes the prompt-injection firewall before my coding agent calls it."},{"title":"Discovering DEX token intelligence tools","prompt":"Can you query the A2A and MCP tool index for anything that does DEX token intelligence or on-chain risk analysis? Return the top matches with token-compressed metadata."}],"resultDescription":"A compressed, firewall-screened response listing matching MCP servers or A2A tools from a 500+ tool index, including tool metadata, capability descriptions, and routing information — all reduced by approximately 85% in token count compared to raw upstream responses.","failureModes":["No matching tools found for the query — returns empty results or low-confidence matches","Query string too vague — results may be overly broad or irrelevant","Upstream MCP server unreachable — proxy reports connectivity failure","Prompt-Guard firewall blocks a result flagged as containing injection risk","Payment not completed — HTTP 402 returned if x402 micropayment not settled","Invalid query input (empty string) — schema validation error"],"whenToPreferThis":"Use this endpoint when an agent needs to discover the best available MCP server or A2A tool for a specific capability without maintaining direct connections to hundreds of individual endpoints. It is the right choice when token budget is constrained (85% compression), when safety screening of tool responses is required (Prompt-Guard firewall), or when the agent ecosystem needs a single-connection meta-router rather than managing 500+ individual integrations. Prefer it over direct MCP server connections when tool availability is uncertain or when the agent needs to compare multiple tools before committing to one.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:37:10.143Z","isFirstParty":false,"canonicalSlug":"shopify-intel-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-550cd52f"}