diff --git a/programs/vscode.nix b/programs/vscode.nix
index 52a0290..97f5c7a 100644
--- a/programs/vscode.nix
+++ b/programs/vscode.nix
@@ -1,117 +1,145 @@
-{pkgs, ...}: {
+{
+  pkgs,
+  lib,
+  ...
+}: let
+  extensions = [
+    "antfu.iconify"
+    "antfu.unocss"
+    "astro-build.astro-vscode"
+    "bierner.lit-html"
+    "bmalehorn.vscode-fish"
+    "bradlc.vscode-tailwindcss"
+    "Catppuccin.catppuccin-vsc"
+    "Catppuccin.catppuccin-vsc-icons"
+    "csstools.postcss"
+    "denoland.vscode-deno"
+    "dbaeumer.vscode-eslint"
+    "dprint.dprint"
+    "DotJoshJohnson.xml"
+    "EditorConfig.EditorConfig"
+    "eamodio.gitlens"
+    "github.vscode-github-actions"
+    "esbenp.prettier-vscode"
+    "GraphQL.vscode-graphql"
+    "GraphQL.vscode-graphql-syntax"
+    "golang.go"
+    "griimick.vhs"
+    "LeonardSSH.vscord"
+    "jnoortheen.nix-ide"
+    "ms-python.isort"
+    "ms-python.black-formatter"
+    "ms-python.vscode-pylance"
+    "ms-python.python"
+    "mvllow.rose-pine"
+    "ms-vscode.cpptools"
+    "Prisma.prisma"
+    "nvarner.typst-lsp"
+    "ronnidc.nunjucks"
+    "rust-lang.rust-analyzer"
+    "tamasfe.even-better-toml"
+    "sastan.twind-intellisense"
+    "skellock.just"
+    "svelte.svelte-vscode"
+    "timonwong.shellcheck"
+    "unifiedjs.vscode-mdx"
+    "Vue.volar"
+    "yoavbls.pretty-ts-errors"
+  ];
+in {
   programs.vscode = {
     enable = true;
+
     extensions = [];
+    mutableExtensionsDir = true;
 
     userSettings = {
-      workbench.colorTheme = "Catppuccin Frappé";
-      workbench.iconTheme = "catppuccin-frappe";
-      catppuccin.boldKeywords = false;
-      catppuccin.italicKeywords = true;
-      catppuccin.accentColor = "sky";
-      catppuccin.workbenchMode = "default";
-      catppuccin.customUIColors = {
+      "workbench.colorTheme" = "Catppuccin Frappé";
+      "workbench.iconTheme" = "catppuccin-frappe";
+      "catppuccin.boldKeywords" = false;
+      "catppuccin.italicKeywords" = true;
+      "catppuccin.accentColor" = "sky";
+      "catppuccin.workbenchMode" = "default";
+      "catppuccin.customUIColors" = {
         all = {
-          activityBar.activeBorder = "accent";
+          "activityBar.activeBorder" = "accent";
         };
       };
 
-      git.autofetch = true;
-      git.confirmSync = false;
-      diffEditor.renderSideBySide = false;
-      git.inputValidation = "off";
-      gitlens.showWelcomeOnInstall = false;
-      git.suggestSmartCommit = false;
-      diffEditor.ignoreTrimWhitespace = false;
+      "git.autofetch" = true;
+      "git.confirmSync" = false;
+      "diffEditor.renderSideBySide" = false;
+      "git.inputValidation" = "off";
+      "gitlens.showWelcomeOnInstall" = false;
+      "git.suggestSmartCommit" = false;
+      "diffEditor.ignoreTrimWhitespace" = false;
 
-      editor.fontFamily = "\"CaskaydiaCove Nerd Font\", monospace";
-      editor.formatOnSave = true;
-      editor.fontLigatures = "'calt', 'ss01'";
-      editor.insertSpaces = true;
-      editor.tabSize = 2;
-      editor.cursorSmoothCaretAnimation = "on";
-      editor.fontSize = 16;
-      editor.lineHeight = 1.5;
-      editor.minimap.renderCharacters = false;
-      editor.cursorBlinking = "phase";
-      editor.inlineSuggest.enabled = true;
-      workbench.editor.highlightModifiedTabs = true;
-      workbench.editor.untitled.hint = "hidden";
+      "editor.fontFamily" = "\"CaskaydiaCove Nerd Font\", monospace";
+      "editor.formatOnSave" = true;
+      "editor.fontLigatures" = "'calt', 'ss01'";
+      "editor.insertSpaces" = true;
+      "editor.tabSize" = 2;
+      "editor.cursorSmoothCaretAnimation" = "on";
+      "editor.fontSize" = 16;
+      "editor.lineHeight" = 1.5;
+      "editor.minimap.renderCharacters" = false;
+      "editor.cursorBlinking" = "phase";
+      "editor.inlineSuggest.enabled" = true;
+      "workbench.editor.highlightModifiedTabs" = true;
+      "workbench.editor.untitled.hint" = "hidden";
 
-      terminal.integrated.fontFamily = "\"CaskaydiaCove Nerd Font Mono\", monospace";
-      terminal.integrated.fontSize = 14;
-      terminal.integrated.lineHeight = 1.5;
-      terminal.integrated.cursorBlinking = true;
-      terminal.integrated.defaultProfile.osx = "fish";
-      terminal.integrated.inheritEnv = false;
-      terminal.integrated.shellIntegration.enabled = false;
+      "terminal.integrated.fontFamily" = "\"CaskaydiaCove Nerd Font Mono\", monospace";
+      "terminal.integrated.fontSize" = 14;
+      "terminal.integrated.lineHeight" = 1.5;
+      "terminal.integrated.cursorBlinking" = true;
+      "terminal.integrated.defaultProfile.osx" = "fish";
+      "terminal.integrated.inheritEnv" = false;
+      "terminal.integrated.shellIntegration.enabled" = false;
 
-      shellcheck.ignorePatterns = {".envrc" = true;};
-      editor.defaultFormatter = "esbenp.prettier-vscode";
-      tailwindCSS.includeLanguages = {
+      "shellcheck.ignorePatterns" = {
+        ".envrc" = true;
+      };
+      "editor.defaultFormatter" = "esbenp.prettier-vscode";
+      "tailwindCSS.includeLanguages" = {
         typescript = "javascript";
         typescriptreact = "javascript";
         vue-html = "html";
       };
-      typescript.enablePromptUseWorkspaceTsdk = true;
+      "typescript.enablePromptUseWorkspaceTsdk" = true;
 
-      telemetry.telemetryLevel = "off";
-      workbench.enableExperiments = false;
-      workbench.settings.enableNaturalLanguageSearch = false;
-      extensions.ignoreRecommendations = true;
-      editor.accessibilitySupport = "off";
+      "telemetry.telemetryLevel" = "off";
+      "workbench.enableExperiments" = false;
+      "workbench.settings.enableNaturalLanguageSearch" = false;
+      "extensions.ignoreRecommendations" = true;
+      "editor.accessibilitySupport" = "off";
 
-      vscord.status.details.text.editing = "In {{workspace}";
-      vscord.status.details.text.viewing = "In {workspace}";
-      vscord.status.problems.enabled = false;
-      vscord.status.state.text.editing = "Working on {file_name}{file_extension}";
-      vscord.status.buttons.button1.enabled = false;
+      "vscord.status.details.text.editing" = "In {workspace}";
+      "vscord.status.details.text.viewing" = "In {workspace}";
+      "vscord.status.problems.enabled" = false;
+      "vscord.status.state.text.editing" = "Working on {file_name}{file_extension}";
+      "vscord.status.buttons.button1.enabled" = false;
 
-      gitlens.defaultTimeFormat = "HH=mm";
-      gitlens.defaultDateShortFormat = "YYYY/MM/DD";
-      gitlens.defaultDateFormat = null;
+      "gitlens.defaultTimeFormat" = "HH=mm";
+      "gitlens.defaultDateShortFormat" = "YYYY/MM/DD";
+      "gitlens.defaultDateFormat" = null;
 
-      "[python]" = {
-        editor.tabSize = 4;
-        editor.defaultFormatter = "ms-python.black-formatter";
-      };
-      "[cpp]" = {
-        editor.defaultFormatter = "ms-vscode.cpptools";
-      };
-      "[toml]" = {
-        editor.defaultFormatter = "tamasfe.even-better-toml";
-      };
-      "[rust]" = {
-        editor.defaultFormatter = "rust-lang.rust-analyzer";
-      };
-      "[nix]" = {
-        editor.defaultFormatter = "jnoortheen.nix-ide";
-      };
-      "[svelte]" = {
-        editor.defaultFormatter = "svelte.svelte-vscode";
-      };
-      "[go][go.mod][go.sum]" = {
-        editor.defaultFormatter = "golang.go";
-      };
-      "[xml]" = {
-        editor.defaultFormatter = "DotJoshJohnson.xml";
-      };
-      "[fish]" = {
-        editor.defaultFormatter = "bmalehorn.vscode-fish";
-      };
-      "[just]" = {
-        editor.defaultFormatter = "skellock.just";
-      };
-      "[mdx]" = {
-        editor.wordWrap = "on";
-      };
-      "[astro]" = {
-        editor.defaultFormatter = "astro-build.astro-vscode";
-      };
+      "[python]"."editor.tabSize" = 4;
+      "[python]"."editor.defaultFormatter" = "ms-python.black-formatter";
+      "[cpp]"."editor.defaultFormatter" = "ms-vscode.cpptools";
+      "[toml]"."editor.defaultFormatter" = "tamasfe.even-better-toml";
+      "[rust]"."editor.defaultFormatter" = "rust-lang.rust-analyzer";
+      "[nix]"."editor.defaultFormatter" = "jnoortheen.nix-ide";
+      "[svelte]"."editor.defaultFormatter" = "svelte.svelte-vscode";
+      "[go][go.mod][go.sum]"."editor.defaultFormatter" = "golang.go";
+      "[xml]"."editor.defaultFormatter" = "DotJoshJohnson.xml";
+      "[fish]"."editor.defaultFormatter" = "bmalehorn.vscode-fish";
+      "[just]"."editor.defaultFormatter" = "skellock.just";
+      "[mdx]"."editor.wordWrap" = "on";
+      "[astro]"."editor.defaultFormatter" = "astro-build.astro-vscode";
 
-      rust-analyzer.server.path = "${pkgs.rust-analyzer}/bin/rust-analyzer";
+      "rust-analyzer.server.path" = "${pkgs.rust-analyzer}/bin/rust-analyzer";
 
-      files.associations = {
+      "files.associations" = {
         "*.mcmeta" = "json";
         "*.plist" = "xml";
         ".dockerignore" = "ignore";
@@ -122,18 +150,18 @@
         "flake.lock" = "json";
       };
 
-      deno.inlayHints.enumMemberValues.enabled = false;
-      deno.inlayHints.functionLikeReturnTypes.enabled = false;
-      deno.inlayHints.parameterNames.enabled = "none";
-      deno.inlayHints.parameterTypes.enabled = false;
-      deno.inlayHints.propertyDeclarationTypes.enabled = false;
-      deno.inlayHints.variableTypes.enabled = false;
+      "deno.inlayHints.enumMemberValues.enabled" = false;
+      "deno.inlayHints.functionLikeReturnTypes.enabled" = false;
+      "deno.inlayHints.parameterNames.enabled" = "none";
+      "deno.inlayHints.parameterTypes.enabled" = false;
+      "deno.inlayHints.propertyDeclarationTypes.enabled" = false;
+      "deno.inlayHints.variableTypes.enabled" = false;
 
-      svelte.enable-ts-plugin = true;
+      "svelte.enable-ts-plugin" = true;
 
-      nix.enableLanguageServer = true;
-      nix.serverPath = "${pkgs.nil}/bin/nil";
-      nix.serverSettings = {
+      "nix.enableLanguageServer" = true;
+      "nix.serverPath" = "${pkgs.nil}/bin/nil";
+      "nix.serverSettings" = {
         nil = {
           formatting = {
             command = ["${pkgs.alejandra}/bin/alejandra"];
@@ -142,4 +170,33 @@
       };
     };
   };
+
+  home.activation = {
+    vscodeExtensions = lib.hm.dag.entryAfter ["writeBoundary"] ''
+      declare -A currentExtensions
+      for extension in $(${pkgs.vscode}/bin/code --list-extensions); do
+        currentExtensions["$extension"]=1;
+      done
+
+      ${builtins.concatStringsSep
+        "\n"
+        (
+          builtins.map
+          (ext: ''
+            if [[ -z "''${currentExtensions[${ext}]+unset}" ]]; then
+              echo "installing ${ext}"
+              ${pkgs.vscode}/bin/code --install-extension ${ext} &> /dev/null
+            fi
+            unset 'currentExtensions[${ext}]'
+          '')
+          extensions
+        )}
+
+      for ext in "''${!currentExtensions[@]}"; do
+        echo "uninstalling $ext"
+        ${pkgs.vscode}/bin/code --uninstall-extension $ext &> /dev/null
+        currentExtensions[$ext]=
+      done
+    '';
+  };
 }