shadcn M3E publishes a shadcn registry at shadcn-m3e.crystaworld.dev, with 0 components installable through the shadcn CLI.
Copy a prompt for your agent, copy the install command, or open the docs that ship it.
Everything this registry ships is already here.
shadcn M3E is a component library on 21st.dev by crysta1221 with 2 public React components. Every component ships with a live interactive preview and full TSX source — copy the code, install it through the shadcn CLI, or pull it into Cursor or Claude Code over MCP.