return {
  {
    -- Install markdown preview, use npx if available.
    "iamcco/markdown-preview.nvim",
    cmd = { "MarkdownPreviewToggle", "MarkdownPreview", "MarkdownPreviewStop" },
    ft = { "markdown" },
    build = function(plugin)
      if vim.fn.executable("npx") then
        vim.cmd("!cd " .. plugin.dir .. " && cd app && npx --yes yarn install")
      else
        vim.cmd([[Lazy load markdown-preview.nvim]])
        vim.fn["mkdp#util#install"]()
      end
    end,
    init = function()
      if vim.fn.executable("npx") then
        vim.g.mkdp_filetypes = { "markdown" }
      end
    end,
  },
}