diff --git a/README.md b/README.md
index da2c4af..f7eb440 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,8 @@
 This repo contains my Neovim config only.
 You still need Neovim and a few system tools installed.
 
+It is meant to work after a plain git clone plus the bootstrap script.
+
 ## Fastest setup
 
 ```bash
@@ -23,7 +25,7 @@ sh ~/.config/nvim/install.sh
 
 - `git`
 - `neovim`
-- `nodejs` + `npm` (for Mason / `bashls`)
+- `nodejs` + `npm` (for Mason / `bashls` / TypeScript / JSON / YAML LSPs)
 - `ripgrep`
 - `fd`
 
@@ -70,4 +72,6 @@ sh ~/nvim-config/bootstrap.sh
 
 - First run downloads plugins through `lazy.nvim`.
 - The config lives in `~/.config/nvim`.
-- `bashls` is included and should work once `nodejs`/`npm` are installed.
+- Out of the box it covers C, C++, Rust, Bash, Lua, JSON, YAML, Markdown, JavaScript, TypeScript, and GLSL.
+- Shader extensions like `.vert`, `.frag`, `.comp`, `.geom`, `.rgen`, `.rchit`, `.rmiss`, `.rint`, and `.rcall` are treated as GLSL.
+- `nodejs`/`npm` are required so Mason can install the JS/TS/YAML/JSON tooling.
diff --git a/init.lua b/init.lua
index 865ca51..240c4ac 100644
--- a/init.lua
+++ b/init.lua
@@ -1,3 +1,4 @@
 require("config.options")
 require("config.keymaps")
+require("config.filetypes")
 require("config.lazy")
diff --git a/lua/config/filetypes.lua b/lua/config/filetypes.lua
new file mode 100644
index 0000000..2ceae93
--- /dev/null
+++ b/lua/config/filetypes.lua
@@ -0,0 +1,19 @@
+vim.filetype.add({
+	filename = {
+		[".clang-format"] = "yaml",
+		[".clang-tidy"] = "yaml",
+	},
+	extension = {
+		vert = "glsl",
+		frag = "glsl",
+		comp = "glsl",
+		geom = "glsl",
+		tesc = "glsl",
+		tese = "glsl",
+		rgen = "glsl",
+		rchit = "glsl",
+		rmiss = "glsl",
+		rint = "glsl",
+		rcall = "glsl",
+	},
+})
diff --git a/lua/plugins/lsp.lua b/lua/plugins/lsp.lua
index a9ec1a5..8b7bd13 100644
--- a/lua/plugins/lsp.lua
+++ b/lua/plugins/lsp.lua
@@ -4,6 +4,11 @@ local ensure_installed = {
     "rust_analyzer",
     "bashls",
     "lua_ls",
+    "jsonls",
+    "yamlls",
+    "marksman",
+    "ts_ls",
+    "glsl_analyzer",
 }
 
 return {
@@ -32,7 +37,18 @@ return {
         config = function()
             local capabilities = require("cmp_nvim_lsp").default_capabilities()
             vim.lsp.config("*", { capabilities = capabilities })
-            vim.lsp.enable({ "pyright", "clangd", "rust_analyzer", "bashls", "lua_ls" })
+            vim.lsp.enable({
+                "pyright",
+                "clangd",
+                "rust_analyzer",
+                "bashls",
+                "lua_ls",
+                "jsonls",
+                "yamlls",
+                "marksman",
+                "ts_ls",
+                "glsl_analyzer",
+            })
             vim.diagnostic.config({
                 virtual_text = true,
                 signs = true,
diff --git a/lua/plugins/treesitter.lua b/lua/plugins/treesitter.lua
index 7e07fa2..cc20a29 100644
--- a/lua/plugins/treesitter.lua
+++ b/lua/plugins/treesitter.lua
@@ -5,7 +5,22 @@ return {
         lazy = false,
         config = function()
             require("nvim-treesitter.config").setup({
-                ensure_installed = { "c", "cpp", "python", "rust", "bash", "lua", "vim", "vimdoc" },
+                ensure_installed = {
+                    "c",
+                    "cpp",
+                    "rust",
+                    "bash",
+                    "lua",
+                    "vim",
+                    "vimdoc",
+                    "json",
+                    "yaml",
+                    "markdown",
+                    "markdown_inline",
+                    "javascript",
+                    "typescript",
+                    "glsl",
+                },
                 auto_install = true,
                 highlight = { enable = true },
                 indent = { enable = true },