diff --git a/flake.lock b/flake.lock
index 3a24e6f..2e355bb 100644
--- a/flake.lock
+++ b/flake.lock
@@ -32,6 +32,22 @@
         "type": "github"
       }
     },
+    "cmp-tabby": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1681450408,
+        "narHash": "sha256-0swK9LV91SeZO0SQl8zVs7GmQNMYwQm7XyQE0iPbc/w=",
+        "owner": "nzlov",
+        "repo": "cmp-tabby",
+        "rev": "c0cb81024ee1500a722b3c35f64dd282c11bc7ba",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nzlov",
+        "repo": "cmp-tabby",
+        "type": "github"
+      }
+    },
     "editorconfig-nvim": {
       "flake": false,
       "locked": {
@@ -359,6 +375,7 @@
       "inputs": {
         "cmp-luasnip": "cmp-luasnip",
         "cmp-nvim-lsp": "cmp-nvim-lsp",
+        "cmp-tabby": "cmp-tabby",
         "editorconfig-nvim": "editorconfig-nvim",
         "flake-utils": "flake-utils",
         "gitsigns-nvim": "gitsigns-nvim",
diff --git a/flake.nix b/flake.nix
index 0155ad7..75a89dc 100644
--- a/flake.nix
+++ b/flake.nix
@@ -156,6 +156,12 @@
       url = "github:norcalli/nvim-colorizer.lua";
       flake = false;
     };
+
+    # https://github.com/nzlov/cmp-tabby
+    cmp-tabby = {
+      url = "github:nzlov/cmp-tabby";
+      flake = false;
+    };
   };
 
   outputs = inputs @ { self, nixpkgs, flake-utils, nix2lua, ... }:
@@ -191,6 +197,7 @@
         "nvim-orgmode"
         "org-bullets-nvim"
         "nvim-colorizer"
+        "cmp-tabby"
       ];
 
       mkNvimPlugins = { lib, vimUtils, vimPlugins, ... }:
@@ -238,7 +245,7 @@
 
         recommendedNeovim = (minimalNeovim.override {
           enableDevIcons = true;
-          enableTabby = true;
+          enableTabby = false;
 
           plugins = with minimalNeovim.nix2lua; {
             nvimTree.settings = {
@@ -293,6 +300,7 @@
                 };
               };
             };
+            tabbyml.enable = true;
           });
         };
 
diff --git a/lib.nix b/lib.nix
index 6c7ecaf..fd5b3c1 100644
--- a/lib.nix
+++ b/lib.nix
@@ -1,4 +1,4 @@
-{ lib, ... }:
+{ lib, substituteAll, ... }:
 
 let
   inherit (builtins) length elemAt isList isString hasAttr getAttr;
@@ -49,10 +49,17 @@ let
 
   mkLuaRc = contents: concatMap mkLuaHeredoc contents;
 
+  ############################################################################
+  # Configs
+
+  readSubFile = src: params: builtins.readFile
+    (substituteAll (params // { inherit src; }));
+
 in
 {
   inherit (lib) importJSON attrByPath;
   inherit foldr concatMap;
   inherit optional getAttrOpt;
   inherit mkLuaHeredoc mkLuaRc;
+  inherit readSubFile substituteAll;
 }
diff --git a/neovim.nix b/neovim.nix
index b9705f5..a027cdb 100644
--- a/neovim.nix
+++ b/neovim.nix
@@ -22,8 +22,7 @@
 let
   inherit (builtins) catAttrs readFile;
 
-  myLib = import ./lib.nix { inherit lib; } // {
-    inherit substituteAll;
+  myLib = import ./lib.nix { inherit lib substituteAll; } // {
     inherit (nix2lua.lib) toLua mkLuaNil;
   };
 
@@ -54,13 +53,18 @@ let
   basicConfigs = map readFile [ ./config/basic.lua ];
   pluginConfigs = catAttrs "luaConfig" pluginsSettings;
   allConfigs = basicConfigs ++ pluginConfigs ++ [ extraLuaConfig ];
+
+  # TODO: DRY
+  tabbymlEnable = lib.attrByPath [ "tabbyml" "enable" ] false plugins;
+  nodeJsEnable = tabbymlEnable;
+
 in
 (wrapNeovim neovim-unwrapped {
   inherit viAlias;
   inherit vimAlias;
 
   withPython3 = false;
-  withNodeJs = false;
+  withNodeJs = nodeJsEnable;
   withRuby = false;
 
   configure = {
diff --git a/plugins/lsp/cmp-tabby.lua b/plugins/lsp/cmp-tabby.lua
new file mode 100644
index 0000000..9cf2158
--- /dev/null
+++ b/plugins/lsp/cmp-tabby.lua
@@ -0,0 +1,3 @@
+local tabby = require('cmp_tabby.config')
+
+tabby:setup(@tabbymlSettings@)
diff --git a/plugins/lsp/default.nix b/plugins/lsp/default.nix
index e174180..a774769 100644
--- a/plugins/lsp/default.nix
+++ b/plugins/lsp/default.nix
@@ -7,25 +7,42 @@
 , nvim-cmp
 , cmp-nvim-lsp
 , cmp-luasnip
+, cmp-tabby
 , ...
 }:
 
 let
-  inherit (builtins) readFile;
+  tabbymlEnable = lib.attrByPath [ "tabbyml" "enable" ] false plugins;
+  tabbymlDefaultSettings = {
+    host = "http://127.0.0.1:8080";
+  };
+  tabbymlSettings = lib.toLua (lib.attrByPath [ "tabbyml" "settings" ] tabbymlDefaultSettings plugins);
+  tabbymlLuaConfig = lib.optional tabbymlEnable
+    (lib.readSubFile ./cmp-tabby.lua { inherit tabbymlSettings; });
+
+  cmpSources = lib.toLua ([
+    { name = "nvim_lsp"; }
+    { name = "luasnip"; }
+    { name = "orgmode"; }
+  ] ++ lib.optional tabbymlEnable [{ name = "cmp-tabby"; }]);
+  cmpLuaConfig = lib.readSubFile ./nvim-cmp.lua { inherit cmpSources; };
+
+  lspconfigLuaConfig = lib.readSubFile ./lspconfig.lua
+    { inherit lspConfigServers lspSagaSettings; };
+
   lsp = [ nvim-lspconfig nlsp-settings-nvim lspsaga-nvim ];
   snippets = [ luasnip ];
   completions = [
     nvim-cmp # Autocompletion
     cmp-nvim-lsp # LSP source for nvim-cmp
     cmp-luasnip # Snippets source for nvim-cmp
-  ];
+  ] ++ lib.optional tabbymlEnable [ cmp-tabby ];
 
   lspConfigServers = lib.toLua (lib.attrByPath [ "lspConfig" "servers" ] [ ] plugins);
   lspSagaSettings = lib.toLua (lib.attrByPath [ "lspSaga" "settings" ] { } plugins);
 in
 {
-  luaConfig = (readFile (lib.substituteAll { src = ./lspconfig.lua; inherit lspConfigServers lspSagaSettings; }))
-    + (readFile ./nvim-cmp.lua);
+  luaConfig = lspconfigLuaConfig + tabbymlLuaConfig + cmpLuaConfig;
 
   plugins = lsp
     ++ snippets
diff --git a/plugins/lsp/nvim-cmp.lua b/plugins/lsp/nvim-cmp.lua
index 510e480..7b849ed 100644
--- a/plugins/lsp/nvim-cmp.lua
+++ b/plugins/lsp/nvim-cmp.lua
@@ -36,9 +36,5 @@ cmp.setup({
 			end
 		end, { "i", "s" }),
 	}),
-	sources = {
-		{ name = "nvim_lsp" },
-		{ name = "luasnip" },
-		{ name = "orgmode" },
-	},
+	sources = @cmpSources@,
 })
diff --git a/plugins/ux/default.nix b/plugins/ux/default.nix
index 38dea01..16629aa 100644
--- a/plugins/ux/default.nix
+++ b/plugins/ux/default.nix
@@ -15,11 +15,14 @@ let
 
   orgmodeEnable = lib.attrByPath [ "orgmode" "enable" ] enableOrgMode plugins;
   orgmodeSettings = lib.toLua (lib.attrByPath [ "orgmode" "settings" ] { } plugins);
-  orgmodeLuaConfig = lib.optional orgmodeEnable (readFile (lib.substituteAll { src = ./nvim-orgmode.lua; inherit orgmodeSettings; }));
+  orgmodeLuaConfig = lib.optional orgmodeEnable
+    (lib.readSubFile ./nvim-orgmode.lua { inherit orgmodeSettings; });
 
   colorizerFiletypes = lib.toLua (lib.attrByPath [ "colorizer" "filetypes" ] lib.mkLuaNil plugins);
   colorizerSettings = lib.toLua (lib.attrByPath [ "colorizer" "settings" ] lib.mkLuaNil plugins);
-  colorizerLuaConfig = readFile (lib.substituteAll { src = ./nvim-colorizer.lua; inherit colorizerFiletypes colorizerSettings; });
+  colorizerLuaConfig = lib.readSubFile ./nvim-colorizer.lua
+    { inherit colorizerFiletypes colorizerSettings; };
+
 in
 {
   luaConfig = hopLuaConfig + orgmodeLuaConfig + colorizerLuaConfig;