return {
  {
    "stevearc/conform.nvim",
    optional = true,
    opts = {
      formatters = {
        ["markdown-toc"] = {
          condition = function(_, ctx)
            for _, line in ipairs(vim.api.nvim_buf_get_lines(ctx.buf, 0, -1, false)) do
              if line:find("<!%-%- toc %-%->") then
                return true
              end
            end
          end,
        },
        ["markdownlint-cli2"] = {
          condition = function(_, ctx)
            local diag = vim.tbl_filter(function(d)
              return d.source == "markdownlint"
            end, vim.diagnostic.get(ctx.buf))
            return #diag > 0
          end,
        },
      },
      formatters_by_ft = {
        ["markdown"] = { "prettier", "markdownlint-cli2", "markdown-toc" },
        ["markdown.mdx"] = { "prettier", "markdownlint-cli2", "markdown-toc" },
      },
    },
  },
  {
    "williamboman/mason.nvim",
    opts = { ensure_installed = { "markdownlint-cli2", "markdown-toc" } },
  },
  {
    "nvimtools/none-ls.nvim",
    optional = true,
    opts = function(_, opts)
      local nls = require("null-ls")
      opts.sources = vim.list_extend(opts.sources or {}, {
        nls.builtins.diagnostics.markdownlint_cli2,
      })
    end,
  },
  {
    "mfussenegger/nvim-lint",
    optional = true,
    opts = {
      linters_by_ft = {
        markdown = { "markdownlint-cli2" },
      },
    },
  },
  {
    "neovim/nvim-lspconfig",
    opts = {
      servers = {
        marksman = {},
      },
    },
  },

  -- Markdown preview
  {
    "iamcco/markdown-preview.nvim",
    cmd = { "MarkdownPreviewToggle", "MarkdownPreview", "MarkdownPreviewStop" },
    build = function()
      require("lazy").load({ plugins = { "markdown-preview.nvim" } })
      vim.fn["mkdp#util#install"]()
    end,
    keys = {
      {
        "<leader>cp",
        ft = "markdown",
        "<cmd>MarkdownPreviewToggle<cr>",
        desc = "Markdown Preview",
      },
    },
    config = function()
      vim.cmd([[do FileType]])
    end,
  },

  {
    "MeanderingProgrammer/render-markdown.nvim",
    opts = {
      code = {
        sign = false,
        width = "block",
        right_pad = 1,
      },
      heading = {
        sign = false,
        icons = {},
      },
      checkbox = {
        enabled = false,
      },
    },
    ft = { "markdown", "norg", "rmd", "org", "codecompanion" },
    config = function(_, opts)
      require("render-markdown").setup(opts)
      Snacks.toggle({
        name = "Render Markdown",
        get = function()
          return require("render-markdown.state").enabled
        end,
        set = function(enabled)
          local m = require("render-markdown")
          if enabled then
            m.enable()
          else
            m.disable()
          end
        end,
      }):map("<leader>um")
    end,
  },
}