chore(skills): bump skill versions and add version check

skills-archive/index.json

@@ -20,7 +20,7 @@
     },
     {
       "name": "wren-generate-mdl",
-      "version": "1.4",
+      "version": "1.5",
       "description": "Generate a Wren MDL manifest from a live database using MCP server introspection tools.",
       "tags": [
         "wren",
@@ -114,7 +114,7 @@
     },
     {
       "name": "wren-usage",
-      "version": "1.2",
+      "version": "1.3",
       "description": "Wren Engine — semantic SQL engine for AI agents. Query 22+ data sources through a modeling layer. Main entry point for setup, SQL, MDL generation, and MCP server operations.",
       "tags": [
         "wren",

skills-archive/versions.json

@@ -1,10 +1,10 @@
 {
-  "wren-generate-mdl": "1.4",
+  "wren-generate-mdl": "1.5",
   "wren-connection-info": "1.5",
   "wren-project": "1.5",
   "wren-sql": "1.0",
   "wren-mcp-setup": "1.4",
   "wren-quickstart": "1.3",
   "wren-http-api": "1.0",
-  "wren-usage": "1.2"
+  "wren-usage": "1.3"
 }

skills-archive/wren-generate-mdl/SKILL.md

@@ -5,14 +5,14 @@ compatibility: Requires a running ibis-server (default port 8000). No local data
 license: Apache-2.0
 metadata:
   author: wren-engine
-  version: "1.4"
+  version: "1.5"
 ---
 
 # Generate Wren MDL
 
 ## Version check
 
-Silently fetch `https://raw.githubusercontent.com/Canner/wren-engine/main/skills-archive/versions.json`.
+Silently fetch `https://raw.githubusercontent.com/Canner/wren-engine/main/skills/versions.json`.
 Compare the `wren-generate-mdl` key with this skill's version (from the frontmatter above).
 If the remote version is newer, notify the user before proceeding:
 

skills-archive/wren-usage/SKILL.md

@@ -4,14 +4,14 @@ description: "Wren Engine — semantic SQL engine for AI agents. Query 22+ data
 license: Apache-2.0
 metadata:
   author: wren-engine
-  version: "1.2"
+  version: "1.3"
 ---
 
 # Wren Engine — Usage Guide
 
 ## Version check
 
-Silently fetch `https://raw.githubusercontent.com/Canner/wren-engine/main/skills-archive/versions.json`.
+Silently fetch `https://raw.githubusercontent.com/Canner/wren-engine/main/skills/versions.json`.
 Compare the `wren-usage` key with this skill's version (from the frontmatter above).
 If the remote version is newer, notify the user before proceeding:
 

skills/index.json

@@ -7,7 +7,7 @@
   "skills": [
     {
       "name": "wren-generate-mdl",
-      "version": "1.0",
+      "version": "2.0",
       "description": "Generate a Wren MDL project by exploring a database with available tools (SQLAlchemy, database drivers, MCP connectors, or raw SQL). Guides agents through schema discovery, type normalization, and MDL YAML generation using the wren CLI.",
       "tags": [
         "wren",
@@ -26,7 +26,7 @@
     },
     {
       "name": "wren-usage",
-      "version": "1.0",
+      "version": "2.0",
       "description": "Wren Engine CLI workflow guide for AI agents. Answer data questions end-to-end using the wren CLI: gather schema context, recall past queries, write SQL through the MDL semantic layer, execute, and learn from confirmed results.",
       "tags": [
         "wren",

skills/versions.json

@@ -1,4 +1,4 @@
 {
-  "wren-generate-mdl": "1.0",
-  "wren-usage": "1.0"
+  "wren-generate-mdl": "2.0",
+  "wren-usage": "2.0"
 }

skills/wren-generate-mdl/SKILL.md

@@ -4,11 +4,27 @@ description: "Generate a Wren MDL project by exploring a database with available
 license: Apache-2.0
 metadata:
   author: wren-engine
-  version: "1.0"
+  version: "2.0"
 ---
 
 # Generate Wren MDL — CLI Agent Workflow
 
+## Version check
+
+Silently fetch `https://raw.githubusercontent.com/Canner/wren-engine/main/skills/versions.json`.
+Compare the `wren-generate-mdl` key with this skill's version (from the frontmatter above).
+If the remote version is newer, notify the user before proceeding:
+
+> A newer version of the **wren-generate-mdl** skill is available.
+> Update with:
+> ```
+> npx skills add Canner/wren-engine --skill wren-generate-mdl --agent claude-code
+> ```
+
+Then continue with the workflow below regardless of update status.
+
+---
+
 Builds an MDL project by discovering database schema and converting it
 into Wren's YAML project format. The agent uses whatever database tools
 are available in its environment for introspection; the wren CLI handles

skills/wren-usage/SKILL.md

@@ -4,11 +4,27 @@ description: "Wren Engine CLI workflow guide for AI agents. Answer data question
 license: Apache-2.0
 metadata:
   author: wren-engine
-  version: "1.0"
+  version: "2.0"
 ---
 
 # Wren Engine CLI — Agent Workflow Guide
 
+## Version check
+
+Silently fetch `https://raw.githubusercontent.com/Canner/wren-engine/main/skills/versions.json`.
+Compare the `wren-usage` key with this skill's version (from the frontmatter above).
+If the remote version is newer, notify the user before proceeding:
+
+> A newer version of the **wren-usage** skill is available.
+> Update with:
+> ```
+> npx skills add Canner/wren-engine --skill wren-usage --agent claude-code
+> ```
+
+Then continue with the workflow below regardless of update status.
+
+---
+
 The `wren` CLI queries databases through an MDL (Model Definition Language) semantic layer. You write SQL against model names, not raw tables. The engine translates to the target dialect.
 
 Two files drive everything (auto-discovered from `~/.wren/`):