return {
    {
        "williamboman/mason.nvim",
        config = function() require('mason').setup() end
    }, {
        "williamboman/mason-lspconfig.nvim",
        config = function()
            require('mason-lspconfig').setup {
                ensure_installed = {"nil_ls", "pyright", "gopls"}
            }
        end
    }, {
        "neovim/nvim-lspconfig",
        config = function()
            local lspconfig = require('lspconfig')

            local capabilities = require('cmp_nvim_lsp').default_capabilities()
            lspconfig.pyright.setup({capabilities = capabilities})
            lspconfig.nil_ls.setup({capabilities = capabilities})
            vim.keymap.set('n', 'K', vim.lsp.buf.hover, {})
            vim.keymap.set('n', 'gd', vim.lsp.buf.definition,
                           {desc = 'Go to definition'})
            vim.keymap.set('n', '<leader>ca', vim.lsp.buf.code_action,
                           {desc = 'Show Code Actions'})
        end
    }
}