{"uid":"cap_8tEwObqq36W0RXPqNTNIY","slug":"mcp-compiler-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-e3fc6960","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-compiler.agentdiet.dev/v1/web-rag-shield-dag)","url":"https://mcp-compiler.agentdiet.dev/v1/web-rag-shield-dag?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_VB4KmRMggnU0MR8SIAMob","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-compiler.agentdiet.dev","brandSlug":"mcp-compiler-agentdiet-dev-mpp","brandBaseUrl":"https://mcp-compiler.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches and routes to 500+ indexed MCP servers and A2A tools via a single connection, with token-compressed results and a prompt-injection firewall","exampleAgentPrompt":"Search the MCP tool index for any servers that handle SEC filings or company enrichment — I need a single connection that routes me to the right tool with compressed output.","exampleUseCases":[{"title":"Discover tools for GitHub security audit","prompt":"Find me an MCP server or A2A tool in the index that can audit a GitHub repository for security issues — I want the most relevant match with compressed metadata so I'm not burning tokens."},{"title":"Route agent to on-chain risk analysis tool","prompt":"Search your tool directory for anything that handles on-chain risk or crypto wallet analysis — I need to route my agent there through a safe proxy that blocks prompt injection."},{"title":"Find email verification MCP endpoint","prompt":"Look up your indexed MCP servers for one that does email deliverability and DNS verification, like MX and SPF checks — return whatever matches with token-efficient summaries."}],"resultDescription":"Returns a ranked list of matching MCP servers or A2A tools from the 500+ index, with 85% token-compressed metadata describing each tool's capabilities, endpoint URLs, and routing information, filtered through a Prompt-Guard firewall to block malicious payloads.","failureModes":["No matching tools found for the query — empty result set returned","Query too vague — returns overly broad results across many unrelated tools","Endpoint URL provided for verification is unreachable or returns non-standard responses","Token compression artifacts may reduce fidelity of tool descriptions for niche queries","Payment authorization failure via x402 results in 402 response before search executes"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to discover or route to the right specialized tool from a large catalog of 500+ MCP and A2A services without maintaining multiple separate connections. It is especially valuable when token budget is a concern (85% compression), when prompt injection safety is needed (Prompt-Guard firewall), or when the agent doesn't know in advance which specific tool handles a capability and needs meta-discovery.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:34:03.231Z","isFirstParty":false,"canonicalSlug":"mcp-compiler-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-3602c71e"}