return {
  "mason-org/mason-lspconfig.nvim",
  dependencies = {
    { "mason-org/mason.nvim", opts = {} },
    "neovim/nvim-lspconfig",
    "saghen/blink.cmp",
  },
  opts = {
    ensure_installed = {
      "pyright",
      "lua_ls",
      "bashls",
      "terraformls",
      "yamlls",
      "ts_ls",
      "cssls",
      "html",
      "helm_ls",
    },
    -- default true: auto-calls vim.lsp.enable() for every Mason-installed
    -- server as it finishes installing.
  },
  config = function(_, opts)
    -- helm_ls's default config only attaches to filetype "helm" /
    -- "yaml.helm-values" (not plain "yaml"), so without this,
    -- templates/*.yaml only gets yamlls — which flags Helm's Go template
    -- syntax ({{ .Values.x }}) as invalid YAML. values.yaml gets the
    -- composite filetype instead, which both yamlls and helm_ls match, so
    -- it keeps YAML validation *and* gets helm_ls's values-schema support.
    vim.filetype.add({
      pattern = {
        [".*/templates/.*%.ya?ml"] = "helm",
        [".*/templates/.*%.tpl"] = "helm",
        [".*/values.*%.ya?ml"] = "yaml.helm-values",
      },
    })

    -- Merge blink.cmp's LSP capabilities into every server's default config
    -- (Mason-managed or not) before any server gets enabled.
    vim.lsp.config("*", {
      capabilities = require("blink.cmp").get_lsp_capabilities(),
    })

    require("mason-lspconfig").setup(opts)

    -- clangd ships with Xcode Command Line Tools already, so it's not
    -- Mason-managed — nvim-lspconfig provides its default config, we just
    -- need to turn it on.
    vim.lsp.enable("clangd")
  end,
}