# SellToAgents > SellToAgents publishes plain-English guides for merchants on agentic commerce: how AI agents (ChatGPT Shopping, Claude, Perplexity, Google AI Mode) discover, compare and buy products, and how to make your store the one they recommend. ## Guides - [What is agentic commerce?](/what-is-agentic-commerce): the 2026 landscape — ACP, UCP, MCP, and why citation share replaces rankings - [10-step readiness checklist](/merchant-checklist): ordered, mostly-free steps with verification - [ACP explained](/acp-guide): how ChatGPT Shopping selects products - [llms.txt for stores](/llms-txt-guide): 20-minute implementation with a copy-paste template ## Data - [DTC AI Visibility Index](/ai-visibility-index): 40 leading DTC brands ranked 0-100 by AI-shopping readiness, updated weekly ([raw JSON](/data/visibility-index.json)) ## Platform guides - [Shopify](/shopify-ai-visibility): what's native (llms.txt, agents.md, ACP) vs what's on you - [WooCommerce](/woocommerce-ai-visibility): the manual stack and common failure modes - [BigCommerce](/bigcommerce-ai-visibility): schema extensions and llms.txt workarounds - [Wix](/wix-ai-visibility): what you can and can't fix within Wix ## Related tools - [AgentReady](https://agentready.agiscorecard.com): free AI sales-visibility scanner - [CloseCalc](https://closecalc.agiscorecard.com): free sales calculators ## Audience E-commerce merchants, DTC brands, marketplaces and agencies preparing for AI-agent-driven sales channels.