diff --git a/.claude-plugin/marketplace.json b/.claude-plugin/marketplace.json
index 4dd8d0a..a2f68f0 100644
--- a/.claude-plugin/marketplace.json
+++ b/.claude-plugin/marketplace.json
@@ -10,7 +10,7 @@
       "name": "n8n-mcp-skills",
       "source": "./",
       "description": "Complete bundle: 7 expert skills for building flawless n8n workflows using n8n-mcp MCP server. Includes skills for expression syntax, MCP tools usage, workflow patterns, validation, node configuration, JavaScript code, and Python code.",
-      "version": "1.3.0",
+      "version": "1.4.0",
       "author": {
         "name": "Romuald Członkowski",
         "url": "https://www.aiadvisors.pl/en"
diff --git a/.claude-plugin/plugin.json b/.claude-plugin/plugin.json
index 523c885..2b7c263 100644
--- a/.claude-plugin/plugin.json
+++ b/.claude-plugin/plugin.json
@@ -1,6 +1,6 @@
 {
   "name": "n8n-mcp-skills",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "description": "Expert skills for building n8n workflows with n8n-mcp",
   "author": {
     "name": "Romuald Członkowski",
diff --git a/build.sh b/build.sh
index 5066974..1d70b1e 100755
--- a/build.sh
+++ b/build.sh
@@ -5,7 +5,7 @@
 set -e
 
 DIST_DIR="dist"
-VERSION="1.3.0"
+VERSION="1.4.0"
 
 echo "🔨 Building n8n-skills distribution packages..."
 
diff --git a/dist/README.md b/dist/README.md
index 49bbd52..78ee036 100644
--- a/dist/README.md
+++ b/dist/README.md
@@ -8,13 +8,13 @@ This folder contains distribution packages for different Claude platforms.
 
 Upload each skill separately via Settings > Capabilities > Skills (bottom of page):
 
-- `n8n-expression-syntax-v1.3.0.zip` - n8n expression syntax and common patterns
-- `n8n-mcp-tools-expert-v1.3.0.zip` - Expert guide for using n8n-mcp tools (recommended to install first)
-- `n8n-workflow-patterns-v1.3.0.zip` - 5 proven workflow architectural patterns
-- `n8n-validation-expert-v1.3.0.zip` - Validation error interpretation and fixing
-- `n8n-node-configuration-v1.3.0.zip` - Operation-aware node configuration
-- `n8n-code-javascript-v1.3.0.zip` - JavaScript in n8n Code nodes
-- `n8n-code-python-v1.3.0.zip` - Python in n8n Code nodes
+- `n8n-expression-syntax-v1.4.0.zip` - n8n expression syntax and common patterns
+- `n8n-mcp-tools-expert-v1.4.0.zip` - Expert guide for using n8n-mcp tools (recommended to install first)
+- `n8n-workflow-patterns-v1.4.0.zip` - 5 proven workflow architectural patterns
+- `n8n-validation-expert-v1.4.0.zip` - Validation error interpretation and fixing
+- `n8n-node-configuration-v1.4.0.zip` - Operation-aware node configuration
+- `n8n-code-javascript-v1.4.0.zip` - JavaScript in n8n Code nodes
+- `n8n-code-python-v1.4.0.zip` - Python in n8n Code nodes
 
 **Installation:**
 1. Go to Settings > Capabilities > Skills (bottom of page)
@@ -24,7 +24,7 @@ Upload each skill separately via Settings > Capabilities > Skills (bottom of pag
 
 ### Complete Bundle (Claude Code only)
 
-- **`n8n-mcp-skills-v1.3.0.zip`** (174 KB) - All 7 skills in one package
+- **`n8n-mcp-skills-v1.4.0.zip`** (174 KB) - All 7 skills in one package
 
 > **This bundle is NOT compatible with Claude.ai or Claude Desktop.** It uses a nested `skills/` directory structure required by Claude Code plugins. For Claude.ai/Desktop, use the individual skill zips above.
 
@@ -34,7 +34,7 @@ Upload each skill separately via Settings > Capabilities > Skills (bottom of pag
 /plugin install czlonkowski/n8n-skills
 
 # Or install from local file
-/plugin install /path/to/n8n-mcp-skills-v1.3.0.zip
+/plugin install /path/to/n8n-mcp-skills-v1.4.0.zip
 ```
 
 ## Which Package Should I Use?
@@ -51,14 +51,14 @@ Upload each skill separately via Settings > Capabilities > Skills (bottom of pag
 
 ```
 dist/
-├── n8n-code-javascript-v1.3.0.zip        (34 KB)
-├── n8n-code-python-v1.3.0.zip            (31 KB)
-├── n8n-expression-syntax-v1.3.0.zip      (11 KB)
-├── n8n-mcp-skills-v1.3.0.zip             (174 KB)  Claude Code only
-├── n8n-mcp-tools-expert-v1.3.0.zip       (19 KB)
-├── n8n-node-configuration-v1.3.0.zip     (18 KB)
-├── n8n-validation-expert-v1.3.0.zip      (19 KB)
-├── n8n-workflow-patterns-v1.3.0.zip      (37 KB)
+├── n8n-code-javascript-v1.4.0.zip        (34 KB)
+├── n8n-code-python-v1.4.0.zip            (31 KB)
+├── n8n-expression-syntax-v1.4.0.zip      (11 KB)
+├── n8n-mcp-skills-v1.4.0.zip             (174 KB)  Claude Code only
+├── n8n-mcp-tools-expert-v1.4.0.zip       (19 KB)
+├── n8n-node-configuration-v1.4.0.zip     (18 KB)
+├── n8n-validation-expert-v1.4.0.zip      (19 KB)
+├── n8n-workflow-patterns-v1.4.0.zip      (37 KB)
 └── README.md                              (this file)
 ```
 
diff --git a/dist/n8n-code-javascript-v1.3.0.zip b/dist/n8n-code-javascript-v1.4.0.zip
similarity index 100%
rename from dist/n8n-code-javascript-v1.3.0.zip
rename to dist/n8n-code-javascript-v1.4.0.zip
diff --git a/dist/n8n-code-python-v1.3.0.zip b/dist/n8n-code-python-v1.4.0.zip
similarity index 100%
rename from dist/n8n-code-python-v1.3.0.zip
rename to dist/n8n-code-python-v1.4.0.zip
diff --git a/dist/n8n-expression-syntax-v1.3.0.zip b/dist/n8n-expression-syntax-v1.4.0.zip
similarity index 100%
rename from dist/n8n-expression-syntax-v1.3.0.zip
rename to dist/n8n-expression-syntax-v1.4.0.zip
diff --git a/dist/n8n-mcp-skills-v1.3.0.zip b/dist/n8n-mcp-skills-v1.4.0.zip
similarity index 97%
rename from dist/n8n-mcp-skills-v1.3.0.zip
rename to dist/n8n-mcp-skills-v1.4.0.zip
index 4b5c63a..b3188d5 100644
Binary files a/dist/n8n-mcp-skills-v1.3.0.zip and b/dist/n8n-mcp-skills-v1.4.0.zip differ
diff --git a/dist/n8n-mcp-tools-expert-v1.3.0.zip b/dist/n8n-mcp-tools-expert-v1.4.0.zip
similarity index 99%
rename from dist/n8n-mcp-tools-expert-v1.3.0.zip
rename to dist/n8n-mcp-tools-expert-v1.4.0.zip
index 7f4518c..a93dfc6 100644
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diff --git a/dist/n8n-node-configuration-v1.3.0.zip b/dist/n8n-node-configuration-v1.4.0.zip
similarity index 99%
rename from dist/n8n-node-configuration-v1.3.0.zip
rename to dist/n8n-node-configuration-v1.4.0.zip
index 318c57e..012982e 100644
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diff --git a/dist/n8n-validation-expert-v1.3.0.zip b/dist/n8n-validation-expert-v1.4.0.zip
similarity index 99%
rename from dist/n8n-validation-expert-v1.3.0.zip
rename to dist/n8n-validation-expert-v1.4.0.zip
index 05363b8..185124a 100644
Binary files a/dist/n8n-validation-expert-v1.3.0.zip and b/dist/n8n-validation-expert-v1.4.0.zip differ
diff --git a/dist/n8n-workflow-patterns-v1.3.0.zip b/dist/n8n-workflow-patterns-v1.4.0.zip
similarity index 100%
rename from dist/n8n-workflow-patterns-v1.3.0.zip
rename to dist/n8n-workflow-patterns-v1.4.0.zip