return {
  'jpalardy/vim-slime',
  ft = { 'python' },
  keys = {
    { '<leader>RC', '<cmd>SlimeConfig<cr>', desc = 'Slime Config' },
    {
      '<leader>RS',
      function()
        if require('custom.user.ipython_utils').is_ipython_open() then
          if vim.fn.mode() == 'v' then
            -- Visual mode mapping
            vim.cmd("<cmd><C-u>'<,'>SlimeSend<CR>")
          else
            -- Normal mode mapping: Execute the <Plug>SlimeSendCell and move to the next cell delimiter
            vim.api.nvim_feedkeys(vim.api.nvim_replace_termcodes('<Plug>SlimeSendCell', true, true, true), 'm', true)
            vim.cmd('normal! /^# %%\\<CR>')
          end
        else
          vim.notify('No IPython REPL found. Open an IPython terminal first.', vim.log.levels.WARN)
        end
      end,
      mode = { 'n', 'v' },
    },
  },
  init = function()
    vim.g.slime_target = 'neovim'
    vim.g.slime_no_mappings = true
  end,
  config = function()
    -- Slime configuration
    vim.g.slime_cell_delimiter = '# %%'
    vim.g.slime_bracketed_paste = 1
    vim.g.slime_paste_file = os.getenv('HOME') .. '/.slime_paste'
    vim.g.slime_input_pid = false
    vim.g.slime_suggest_default = true
    vim.g.slime_menu_config = false
    vim.g.slime_neovim_ignore_unlisted = false
    vim.g.slime_python_ipython = 0
  end,
}