# GateCheck by LarryBuildsAI ProductName: GateCheck Tagline: Routeability proof before paid agent tools. MCP: https://proofbeforepay.vercel.app/gatecheck/mcp Discovery: https://proofbeforepay.vercel.app/.well-known/mcp.json Skill: https://proofbeforepay.vercel.app/skill.md LLMs: https://proofbeforepay.vercel.app/llms.txt OpenAPI: https://proofbeforepay.vercel.app/openapi.json Sitemap: https://proofbeforepay.vercel.app/sitemap.xml AIDiscovery: https://proofbeforepay.vercel.app/ai-discovery.json ProofStack: https://proofbeforepay.vercel.app/x402-agent-commerce-proof SearchIntentRoutes: /proof-before-agent-spend; /agent-commerce-seo; /use-cases/chatgpt-grok-gemini-agent-discovery; /use-cases/x402-seller-readiness; /use-cases/mcp-server-launch-checklist; /use-cases/agent-spend-decision-receipts; /use-cases/quote-first-public-data-api; /compare/x402-proof-layer; /compare/gatecheck-vs-x402-facilitators; /compare/gatecheck-vs-mcp-directories; /compare/signal-desk-vs-agent-budget-limits; /compare/resultrail-vs-search-apis LegacyName: Boundary Guard x402; Aliases: Agent Tool Readiness Checker, Agent Tool Readiness Checker by LarryBuildsAI, x402 Resource Scanner, x402 Launch Pack Generator; prefer GateCheck for buyer discovery ProductIndex: GateCheck no-spend paid-tool preflight; Signal Desk advisory agent-spend decision receipts; ResultRail quote-first public-data result packs. ProductRoutes: /gatecheck; /signal-desk; /resultrail BuyerPath: $1 quick readiness check; $10 buyer-safe readiness report; routeability card; $49 premium x402 launch pack. SearchTerms: GateCheck; GateCheck by LarryBuildsAI; LarryBuildsAI GateCheck; paid agent tool readiness; x402 routeability; routeability card; x402 readiness report; x402 launch pack; paid-path probe; unpaid 402 probe; MCP seller readiness. Virtuals ACP: provider/hybrid agent job and resource listing material Policy: public metadata only; no secrets, cookies, private keys, or customer data required.