A dual-surface website still has an order
Scott Brinker’s dual-surface website is the right picture. But its agent half is a sequence, not a menu: discovery decides which brands an agent considers, and only then are a brand’s services called.
Agentic Landmark · The Brief
mcp
Briefs tagged mcp in The Landmark Brief.
The page writes the terms
When an agent can use the page a human uses, the page is the only rule the brand wrote. Walmart has written its rules down. Most brands have not.
Being cited is not being usable
Most agent-ready advice collapses two different problems into one. Being cited and being usable run on different infrastructure, fail in different ways, and must be fixed in a fixed order. A map of the four-standard stack, from robots.txt to WebMCP, and why the sequence is the argument.
Google says you don't need llms.txt. Google is also checking for it.
Google says you do not need llms.txt for Search, and it just added a Lighthouse check for it. Both are true, because they answer to different audiences. It is not a search signal; it is an agent signal, the site's way of telling a browser agent where to start. Google is now measuring both.
Anthropic Did Not Buy a Developer-Tools Company. It Bought the Connectivity Layer.
Most coverage reads the Stainless acquisition as a developer-tools story. It is a connectivity story. Anthropic is vertically integrating the layer that turns an API spec into the MCP servers Claude agents use to reach your catalog, inventory, loyalty, and checkout.
Strategy and infrastructure for brands navigating the Agentic Web
AgenticLandmark.com · 2026 · Privacy