
mcpcn publishes a shadcn registry at mcpcn.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.
mcpcn is a component library on 21st.dev by shadcn-labs with 9 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.