# Blocks Pre-built UI sections composed from GIN Design components. Copy and drop into any page. > For the complete documentation index, see [llms.txt](/llms.txt). Markdown variants are available by appending `.md` to any URL or sending an `Accept: text/markdown` header. An agent skill is available at [/.well-known/agent-skills/site-skill.md](/.well-known/agent-skills/site-skill.md). Blocks are ready-made UI sections built with GIN Design components. Each block covers a common layout pattern — drop it into a page and customise to fit your project. ***