return {
  {
    "hrsh7th/nvim-cmp",
    event = "InsertEnter",
    dependencies = {
      { "L3MON4D3/LuaSnip" },
    },
    config = function()
      require("lsp-zero.cmp").extend()
      local cmp = require("cmp")
      local cmp_action = require("lsp-zero.cmp").action()

      cmp.setup({
        completion = {
          completeopt = "menu,menuone",
        },
        mapping = {
          ["<C-d>"] = cmp.mapping.scroll_docs(-4),
          ["<C-f>"] = cmp.mapping.scroll_docs(4),
          ["<C-Space>"] = cmp.mapping.complete(),
          ["<C-c>"] = cmp.mapping.close(),
          ["<CR>"] = cmp.mapping.confirm {
            behavior = cmp.ConfirmBehavior.Insert,
            select = true,
          },
          ["<Tab>"] = cmp.mapping(function(fallback)
            if cmp.visible() then
              cmp.select_next_item()
            elseif require("luasnip").expand_or_jumpable() then
              vim.fn.feedkeys(vim.api.nvim_replace_termcodes("<Plug>luasnip-expand-or-jump", true, true, true), "")
            else
              fallback()
            end
          end, {
            "i",
            "s",
          }),
          ["<S-Tab>"] = cmp.mapping(function(fallback)
            if cmp.visible() then
              cmp.select_prev_item()
            elseif require("luasnip").jumpable(-1) then
              vim.fn.feedkeys(vim.api.nvim_replace_termcodes("<Plug>luasnip-jump-prev", true, true, true), "")
            else
              fallback()
            end
          end, {
            "i",
            "s",
          }),
        },
        sources = {
          { name = "nvim_lsp" },
          { name = "luasnip" },
          { name = "buffer" },
          { name = "nvim_lua" },
          { name = "path" },
        },
      })
    end,
  },
  -- LSP
  {
    "neovim/nvim-lspconfig",
    cmd = "LspInfo",
    event = { "BufReadPre", "BufNewFile" },
    dependencies = {
      { "hrsh7th/cmp-nvim-lsp" },
      { "williamboman/mason-lspconfig.nvim" },
      { "williamboman/mason.nvim" },
      { "VonHeikemen/lsp-zero.nvim", }
    },
    config = function()
      local lsp_zero = require('lsp-zero')

      local lsp_attach = function(client, bufnr)
        -- this is where you enable features that only work
        -- if there is a language server active in the file
      end

      lsp_zero.extend_lspconfig({
        sign_text = true,
        lsp_attach = lsp_attach,
      })

      configs = {
        pylsp = {
          settings = {
            pylsp = {
              plugins = {
                mypy = { enabled = true },
                black = { enabled = true },
                isort = { enabled = true, profile = "black" },
              },
            },
          },
        },
        ruff_lsp = {
          settings = {
            args = {},
            format = {
              args = { "--line-length=120", "--config", "format.quote-style = 'single'" },
            },
            lint = {
              -- args = { "--config", "lint.select = ['F', 'E']", "--config", "lint.ignore = ['E501']" }
            }
          }
        },
        pyright = {
          settings = {
            pyright = {
              disableOptimizeImports = true,
            },
            python = {
              analysis = {
                typeCheckingMode = "basic",
                autoImportCompletions = false,
              }
            }
          }
        }
      }

      require('mason').setup({})
      require('mason-lspconfig').setup({
        -- Replace the language servers listed here
        -- with the ones you want to install
        ensure_installed = {
          "lua_ls",
          "gopls",
          "pyright",
          "ruff_lsp",
          "ts_ls",
          "mypy"
        },
        handlers = {
          function(server_name)
            require('lspconfig')[server_name].setup(configs[server_name] or {})
          end,
        }
      })
    end
  },
}