AI Commerce & Agentic Search
Model Context Protocol, agentic commerce protocols (ACP/UCP), AI-driven product discovery, and how ChatGPT, Perplexity, and Claude shape merchandising in 2026.
18 articles
MCP Events in Vercel Connect: What Changed and What to Do
Vercel Connect MCP Events is in public beta. What changed, the Node.js and Python prerequisites, OIDC linking, subscription lifetimes and how to verify deliveries.
Shop MCP: Catalog Search and Shop Pay Checkout for Agents
Shop MCP gives agents Shopify Catalog search, carts and Shop Pay checkout in one connection: the tool flows, the sign-in rules and the no-webhook gap.
Visa Mastercard PayPal Agentic AI Commerce: What UK Shops Can Use
Visa Mastercard PayPal agentic AI commerce for merchants: agent tokens, trusted-agent checks, Agent Ready, Store Sync limits and what to do first.
Agentic Commerce Journey Discovery to Transaction, Mapped
The agentic commerce journey discovery to transaction, step by step: what an AI agent asks your store for at each stage and what you must return.
Six AI Searchability Checks to Get Your Store Cited
AI searchability defines how assistants extract your catalogue. Check crawler rules, server-rendered HTML, and schema across your store to earn citations.
Agentic Commerce Risks and Mitigation Strategies in 2026
Control agentic commerce risks and mitigation strategies: manage AP2 mandates, ACP delegated tokens, and feed drift. Verified September 2026.
Agentic Payments vs Standard Checkout: What Actually Changes
Agentic payments replace browser checkouts with scoped tokens from Stripe, Visa, and AP2. Here is who bears liability, verified September 2026.
How to Improve Brand Visibility in AI Search Engines (2026)
How to improve brand visibility in AI search engines in 2026: three levers that win citations in ChatGPT, Perplexity and AI Overviews, plus a 30-day plan.
Shopify Quietly Auto-Shipped /llms.txt, /agents.md and /.well-known/ucp — Engineering Override Guide (2026)
Shopify now ships /llms.txt, /agents.md and /.well-known/ucp by default. Engineering guide: defaults, overrides via templates/llms.txt.liquid, Markets fixes, CI.
Hydrogen MCP → UCP Migration: Production Cutover Before June 15
Storefront Catalog MCP became UCP on April 22, 2026. The endpoint, tool names, and response schema all changed. Migration steps for Hydrogen before June 15.
Introducing Workspace Agents in ChatGPT: Commerce Implications (2026)
Consumer agentic checkout stalled, but internal AI workers are here. How to safely connect ChatGPT workspace agents to your Shopify Plus Admin API via MCP in 2026.
Introducing GPT-5.5: Engineering Agentic Commerce (2026)
Introducing GPT-5.5 and the Agentic Commerce Protocol — how 1M-token context windows turn ChatGPT into a native checkout channel for Shopify Plus — 2026.
Scaling Shopify Storefront MCP in Production
Auth, caching, rate-limiting, and multi-tenancy patterns for a Shopify Storefront MCP server — what scales, what breaks under bursty agent traffic.
Agentic Commerce Protocols: ACP, MCP, UCP
ACP, MCP, and UCP — the three protocols that now mediate how AI agents buy from Shopify, BigCommerce, and enterprise stores. What each is and what to implement.
Shopify MCP Server: Production Implementation Guide (2026)
Shopify MCP server guide for 2026: UCP catalog, cart and checkout at /api/ucp/mcp, Customer Accounts and Dev MCP, a CLI test, and when to build your own.
Optimising Shopify for AI Search: ChatGPT & Perplexity
ChatGPT Shopping, Perplexity Shop, and Google AI Mode recommend products directly. The structured data, feeds, and on-page signals that move the needle in 2026.
Shopify Search at Sub-100ms: Algolia vs Search & Discovery (2026)
eCommerce search under 100ms — Algolia config, Shopify Search & Discovery API limits, 1536-dim vector embeddings, and buy-vs-build decision points for 2026.
AI Search Isn't Magic: What Actually Works
We've tested plenty of AI search tools. Here's what we've learned about what actually improves eCommerce search and what's just expensive hype.