diff --git a/.claude-plugin/marketplace.json b/.claude-plugin/marketplace.json
index 6441573..28fa485 100644
--- a/.claude-plugin/marketplace.json
+++ b/.claude-plugin/marketplace.json
@@ -1,28 +1,28 @@
 {
   "$schema": "https://anthropic.com/claude-code/marketplace.schema.json",
-  "name": "smartgift",
-  "description": "Smartgift internal Claude Code skills. Pick per role: smartgift-dev for the dev team, smartgift-common for all staff, or install both.",
+  "name": "sg",
+  "description": "Smartgift internal Claude Code skills. Pick per role: sg-dev for the dev team, sg-common for all staff, or install both.",
   "owner": {
     "name": "Smartgift",
     "email": "vinnt@smartgift.vn"
   },
   "plugins": [
     {
-      "name": "smartgift-all",
+      "name": "sg-all",
       "source": "./plugins/all",
-      "description": "Toàn bộ — cả md-writing lẫn prompt-sharpening. Cài cái này nếu muốn tất cả.",
+      "description": "Toàn bộ — cả sg-md-writing lẫn sg-prompt-sharpening. Cài cái này nếu muốn tất cả.",
       "category": "workflow"
     },
     {
-      "name": "smartgift-dev",
+      "name": "sg-dev",
       "source": "./plugins/dev",
-      "description": "Dev team — md-writing skill for authoring and maintaining CLAUDE.md / AGENTS.md rule files.",
+      "description": "Dev team — sg-md-writing skill for authoring and maintaining CLAUDE.md / AGENTS.md rule files.",
       "category": "workflow"
     },
     {
-      "name": "smartgift-common",
+      "name": "sg-common",
       "source": "./plugins/common",
-      "description": "All staff — prompt-sharpening skill for disambiguating requests before acting.",
+      "description": "All staff — sg-prompt-sharpening skill for disambiguating requests before acting.",
       "category": "productivity"
     }
   ]
diff --git a/README.md b/README.md
index 09c89aa..82d00b9 100644
--- a/README.md
+++ b/README.md
@@ -6,11 +6,11 @@ Marketplace nội bộ chứa các skill Claude Code của Smartgift. Đăng ký
 
 | Plugin | Dành cho | Skill | Nội dung |
 |---|---|---|---|
-| `smartgift-all` | **Mặc định — ai muốn tất cả** | `md-writing` + `prompt-sharpening` | Gói cả hai skill. Cài một cái là có tất cả. |
-| `smartgift-dev` | Chỉ team dev | `md-writing` | Soạn & bảo trì file `CLAUDE.md` / `AGENTS.md` ràng buộc hành vi AI: routing map, reuse inventory, an toàn với model yếu, tự đề xuất cập nhật khi code đổi (hỏi confirm trước khi ghi). |
-| `smartgift-common` | Chỉ prompt-sharpening | `prompt-sharpening` | Trước khi hành động với yêu cầu ngắn/mơ hồ, mở rộng thành các cách hiểu rõ ràng, nêu giả định, định nghĩa tiêu chí "xong". |
+| `sg-all` | **Mặc định — ai muốn tất cả** | `sg-md-writing` + `sg-prompt-sharpening` | Gói cả hai skill. Cài một cái là có tất cả. |
+| `sg-dev` | Chỉ team dev | `sg-md-writing` | Soạn & bảo trì file `CLAUDE.md` / `AGENTS.md` ràng buộc hành vi AI: routing map, reuse inventory, an toàn với model yếu, tự đề xuất cập nhật khi code đổi (hỏi confirm trước khi ghi). |
+| `sg-common` | Chỉ sg-prompt-sharpening | `sg-prompt-sharpening` | Trước khi hành động với yêu cầu ngắn/mơ hồ, mở rộng thành các cách hiểu rõ ràng, nêu giả định, định nghĩa tiêu chí "xong". |
 
-Chỉ cài **một** trong ba (cài `smartgift-all` cùng plugin lẻ sẽ nạp trùng skill).
+Chỉ cài **một** trong ba (cài `sg-all` cùng plugin lẻ sẽ nạp trùng skill).
 
 ## Cài đặt
 
@@ -19,9 +19,9 @@ Chỉ cài **một** trong ba (cài `smartgift-all` cùng plugin lẻ sẽ nạp
 claude plugin marketplace add https://git.smartgift.io.vn/Smartgift-AI/smartgift-claude-skills.git
 
 # 2. Chọn MỘT plugin
-claude plugin install smartgift-all@smartgift       # toàn bộ (khuyến nghị)
-claude plugin install smartgift-dev@smartgift        # chỉ md-writing
-claude plugin install smartgift-common@smartgift     # chỉ prompt-sharpening
+claude plugin install sg-all@sg       # toàn bộ (khuyến nghị)
+claude plugin install sg-dev@sg        # chỉ sg-md-writing
+claude plugin install sg-common@sg     # chỉ sg-prompt-sharpening
 ```
 
-Xem/gỡ: `claude plugin list`, `claude plugin uninstall <tên>@smartgift`.
+Xem/gỡ: `claude plugin list`, `claude plugin uninstall <tên>@sg`.
diff --git a/plugins/all/.claude-plugin/plugin.json b/plugins/all/.claude-plugin/plugin.json
index 8b7b6ab..051c534 100644
--- a/plugins/all/.claude-plugin/plugin.json
+++ b/plugins/all/.claude-plugin/plugin.json
@@ -1,8 +1,8 @@
 {
   "$schema": "https://anthropic.com/claude-code/plugin.schema.json",
-  "name": "smartgift-all",
+  "name": "sg-all",
   "version": "0.1.0",
-  "description": "Smartgift — toàn bộ skill: md-writing (dev) + prompt-sharpening (dùng chung). Cài một cái là có tất cả.",
+  "description": "Smartgift — toàn bộ skill: sg-md-writing (dev) + sg-prompt-sharpening (dùng chung). Cài một cái là có tất cả.",
   "author": {
     "name": "Smartgift",
     "email": "vinnt@smartgift.vn"
diff --git a/plugins/all/skills/md-writing b/plugins/all/skills/md-writing
deleted file mode 120000
index f3b7612..0000000
--- a/plugins/all/skills/md-writing
+++ /dev/null
@@ -1 +0,0 @@
-../../dev/skills/md-writing
\ No newline at end of file
diff --git a/plugins/all/skills/prompt-sharpening b/plugins/all/skills/prompt-sharpening
deleted file mode 120000
index fd8ed1e..0000000
--- a/plugins/all/skills/prompt-sharpening
+++ /dev/null
@@ -1 +0,0 @@
-../../common/skills/prompt-sharpening
\ No newline at end of file
diff --git a/plugins/all/skills/sg-md-writing b/plugins/all/skills/sg-md-writing
new file mode 120000
index 0000000..561f878
--- /dev/null
+++ b/plugins/all/skills/sg-md-writing
@@ -0,0 +1 @@
+../../dev/skills/sg-md-writing
\ No newline at end of file
diff --git a/plugins/all/skills/sg-prompt-sharpening b/plugins/all/skills/sg-prompt-sharpening
new file mode 120000
index 0000000..dcb3a22
--- /dev/null
+++ b/plugins/all/skills/sg-prompt-sharpening
@@ -0,0 +1 @@
+../../common/skills/sg-prompt-sharpening
\ No newline at end of file
diff --git a/plugins/common/.claude-plugin/plugin.json b/plugins/common/.claude-plugin/plugin.json
index c82d605..80d4935 100644
--- a/plugins/common/.claude-plugin/plugin.json
+++ b/plugins/common/.claude-plugin/plugin.json
@@ -1,8 +1,8 @@
 {
   "$schema": "https://anthropic.com/claude-code/plugin.schema.json",
-  "name": "smartgift-common",
+  "name": "sg-common",
   "version": "0.1.0",
-  "description": "Smartgift shared skill for all staff. prompt-sharpening: before acting on a short or ambiguous request, expand it into explicit interpretations, surface assumptions, and define success criteria so the first attempt matches intent.",
+  "description": "Smartgift shared skill for all staff. sg-prompt-sharpening: before acting on a short or ambiguous request, expand it into explicit interpretations, surface assumptions, and define success criteria so the first attempt matches intent.",
   "author": {
     "name": "Smartgift",
     "email": "vinnt@smartgift.vn"
diff --git a/plugins/common/skills/prompt-sharpening/SKILL.md b/plugins/common/skills/sg-prompt-sharpening/SKILL.md
similarity index 99%
rename from plugins/common/skills/prompt-sharpening/SKILL.md
rename to plugins/common/skills/sg-prompt-sharpening/SKILL.md
index 6905b7d..5ab91a7 100644
--- a/plugins/common/skills/prompt-sharpening/SKILL.md
+++ b/plugins/common/skills/sg-prompt-sharpening/SKILL.md
@@ -1,5 +1,5 @@
 ---
-name: prompt-sharpening
+name: sg-prompt-sharpening
 description: Use when a user's request is short, vague, terse, or could reasonably be interpreted more than one way, before investigating or writing any code — expands the raw ask into an explicit interpretation set, surfaces assumptions, and defines success criteria so execution matches intent on the first try.
 ---
 
diff --git a/plugins/dev/.claude-plugin/plugin.json b/plugins/dev/.claude-plugin/plugin.json
index f9a95d1..d352f14 100644
--- a/plugins/dev/.claude-plugin/plugin.json
+++ b/plugins/dev/.claude-plugin/plugin.json
@@ -1,8 +1,8 @@
 {
   "$schema": "https://anthropic.com/claude-code/plugin.schema.json",
-  "name": "smartgift-dev",
+  "name": "sg-dev",
   "version": "0.1.0",
-  "description": "Smartgift dev-team skills. md-writing: author and maintain CLAUDE.md / AGENTS.md rule files that constrain AI edits (routing map, reuse inventory, weak-model-safe, update-on-code-change with confirm).",
+  "description": "Smartgift dev-team skills. sg-md-writing: author and maintain CLAUDE.md / AGENTS.md rule files that constrain AI edits (routing map, reuse inventory, weak-model-safe, update-on-code-change with confirm).",
   "author": {
     "name": "Smartgift",
     "email": "vinnt@smartgift.vn"
diff --git a/plugins/dev/skills/md-writing/SKILL.md b/plugins/dev/skills/sg-md-writing/SKILL.md
similarity index 99%
rename from plugins/dev/skills/md-writing/SKILL.md
rename to plugins/dev/skills/sg-md-writing/SKILL.md
index e88b6b4..57ab3d7 100644
--- a/plugins/dev/skills/md-writing/SKILL.md
+++ b/plugins/dev/skills/sg-md-writing/SKILL.md
@@ -1,5 +1,5 @@
 ---
-name: md-writing
+name: sg-md-writing
 description: Use when creating, overhauling, or cleaning up CLAUDE.md / AGENTS.md files for a codebase or module — including tidying /init output or auto-generated drafts that describe the code instead of constraining behavior, when a rules file made a weak model refactor/edit things it should not have, or right after code changes that invalidate statements in an existing CLAUDE.md set (moved paths, new/changed extension points, retired rules) — run its update mode to re-sync.
 ---