diff --git a/.gitignore b/.gitignore
index 4d5fceb..af4a393 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,3 +27,4 @@ coverage.xml
 coverage/
 .deer-flow/
 .claude/
+skills/custom/*
diff --git a/backend/Makefile b/backend/Makefile
index 07537aa..2382c6e 100644
--- a/backend/Makefile
+++ b/backend/Makefile
@@ -8,6 +8,12 @@ gateway:
 	uv run uvicorn src.gateway.app:app --host 0.0.0.0 --port 8001
 
 nginx:
+	@echo "Stopping existing nginx if any..."
+	@-nginx -c $(PWD)/../nginx.conf -p $(PWD)/.. -s quit 2>/dev/null || true
+	@sleep 1
+	@-pkill -9 nginx 2>/dev/null || true
+	@sleep 1
+	@echo "Starting nginx..."
 	nginx -c $(PWD)/../nginx.conf -p $(PWD)/..
 
 serve:
@@ -16,6 +22,8 @@ serve:
 	@-pkill -f "uvicorn src.gateway.app:app" 2>/dev/null || true
 	@-nginx -c $(PWD)/../nginx.conf -p $(PWD)/.. -s quit 2>/dev/null || true
 	@sleep 1
+	@-pkill -9 nginx 2>/dev/null || true
+	@sleep 1
 	@echo "Starting services..."
 	@trap 'kill 0' EXIT; \
 	uv run langgraph dev --no-browser --allow-blocking --no-reload & \
diff --git a/backend/src/config/extensions_config.py b/backend/src/config/extensions_config.py
index 68daf00..bd098ab 100644
--- a/backend/src/config/extensions_config.py
+++ b/backend/src/config/extensions_config.py
@@ -146,19 +146,20 @@ class ExtensionsConfig(BaseModel):
         """
         return {name: config for name, config in self.mcp_servers.items() if config.enabled}
 
-    def is_skill_enabled(self, skill_name: str) -> bool:
+    def is_skill_enabled(self, skill_name: str, skill_category: str) -> bool:
         """Check if a skill is enabled.
 
         Args:
             skill_name: Name of the skill
+            skill_category: Category of the skill
 
         Returns:
-            True if enabled, False otherwise (default if not in config)
+            True if enabled, False otherwise
         """
         skill_config = self.skills.get(skill_name)
         if skill_config is None:
-            # Default to disable if not in config
-            return False
+            # Default to enable for public skill, disable for custom
+            return skill_category == "public"
         return skill_config.enabled
 
 
diff --git a/backend/src/skills/loader.py b/backend/src/skills/loader.py
index 16ae721..edf9861 100644
--- a/backend/src/skills/loader.py
+++ b/backend/src/skills/loader.py
@@ -78,7 +78,7 @@ def load_skills(skills_path: Path | None = None, use_config: bool = True, enable
 
         extensions_config = get_extensions_config()
         for skill in skills:
-            skill.enabled = extensions_config.is_skill_enabled(skill.name)
+            skill.enabled = extensions_config.is_skill_enabled(skill.name, skill.category)
     except Exception as e:
         # If config loading fails, default to all enabled
         print(f"Warning: Failed to load extensions config: {e}")