What is agentic commerce?
Agentic commerce, defined: the two species of buyer, the ACP/UCP/MCP timeline, real before/after token numbers, and how to get your store ready — free.
Rebilder Learn
Field guides to agentic commerce
How AI shopping agents read stores, what to serve them, and how the standards fit together — written from what we run in production, with real numbers only.
Guides
AI shopping agents: what they are and how they read your store
What AI shopping agents are, how ChatGPT, Claude, and Perplexity fetch and compare product pages, and how to see agent traffic on your own store.
How to get recommended by ChatGPT: a merchant’s guide
How ChatGPT finds and cites products — retrieval, extraction, citation — and the concrete steps merchants can take this week. Real numbers, no snake oil.
Answer engine optimization tools: a 2026 buyer’s guide
A 2026 buyer’s guide to answer engine optimization tools by category: visibility trackers, content optimizers, and serving-layer infrastructure.
AI agent user agents: a field guide to every string in your logs
Real AI agent user agent strings — ChatGPT-User, GPTBot, claude-code, PerplexityBot — the exact headers each one sends, and how to detect them properly.
Shopify agentic commerce: an honest readiness guide
What AI agents get from a Shopify PDP today (91KB of theme HTML), how UCP fits, and how an app proxy serves clean markdown under your shop domain.
The agentic commerce protocol landscape: ACP, UCP, and MCP
ACP, UCP, and MCP explained: what each agentic commerce protocol covers, who backs it, why specs churn quarterly, and how merchants can prepare.
Free tool
llms.txt generator
Build a spec-shaped llms.txt file in the browser — add your site name, description, and links, then copy or download it.