diff --git a/graphify/skill-claw.md b/graphify/skill-claw.md
index 4e967ee..887a622 100644
--- a/graphify/skill-claw.md
+++ b/graphify/skill-claw.md
@@ -62,12 +62,16 @@ Follow these steps in order. Do not skip steps.
 GRAPHIFY_BIN=$(which graphify 2>/dev/null)
 if [ -n "$GRAPHIFY_BIN" ]; then
     PYTHON=$(head -1 "$GRAPHIFY_BIN" | tr -d '#!')
+    case "$PYTHON" in
+        *[!a-zA-Z0-9/_.-]*) PYTHON="python3" ;;
+    esac
 else
     PYTHON="python3"
 fi
-$PYTHON -c "import graphify" 2>/dev/null || pip install graphifyy -q --break-system-packages 2>&1 | tail -3
+"$PYTHON" -c "import graphify" 2>/dev/null || pip install graphifyy -q --break-system-packages 2>&1 | tail -3
+mkdir -p graphify-out
 # Write interpreter path for all subsequent steps
-$PYTHON -c "import sys; open('.graphify_python', 'w').write(sys.executable)"
+"$PYTHON" -c "import sys; open('graphify-out/.graphify_python', 'w').write(sys.executable)"
 ```
 
 If the import succeeds, print nothing and move straight to Step 2.
diff --git a/graphify/skill-codex.md b/graphify/skill-codex.md
index cfd1e92..78e90cc 100644
--- a/graphify/skill-codex.md
+++ b/graphify/skill-codex.md
@@ -62,12 +62,15 @@ Follow these steps in order. Do not skip steps.
 GRAPHIFY_BIN=$(which graphify 2>/dev/null)
 if [ -n "$GRAPHIFY_BIN" ]; then
     PYTHON=$(head -1 "$GRAPHIFY_BIN" | tr -d '#!')
+    case "$PYTHON" in
+        *[!a-zA-Z0-9/_.-]*) PYTHON="python3" ;;
+    esac
 else
     PYTHON="python3"
 fi
-$PYTHON -c "import graphify" 2>/dev/null || pip install graphifyy -q --break-system-packages 2>&1 | tail -3
+"$PYTHON" -c "import graphify" 2>/dev/null || pip install graphifyy -q --break-system-packages 2>&1 | tail -3
 # Write interpreter path for all subsequent steps
-$PYTHON -c "import sys; open('.graphify_python', 'w').write(sys.executable)"
+"$PYTHON" -c "import sys; open('graphify-out/.graphify_python', 'w').write(sys.executable)"
 ```
 
 If the import succeeds, print nothing and move straight to Step 2.
diff --git a/graphify/skill-droid.md b/graphify/skill-droid.md
index b1a873e..de739f6 100644
--- a/graphify/skill-droid.md
+++ b/graphify/skill-droid.md
@@ -62,12 +62,16 @@ Follow these steps in order. Do not skip steps.
 GRAPHIFY_BIN=$(which graphify 2>/dev/null)
 if [ -n "$GRAPHIFY_BIN" ]; then
     PYTHON=$(head -1 "$GRAPHIFY_BIN" | tr -d '#!')
+    case "$PYTHON" in
+        *[!a-zA-Z0-9/_.-]*) PYTHON="python3" ;;
+    esac
 else
     PYTHON="python3"
 fi
-$PYTHON -c "import graphify" 2>/dev/null || pip install graphifyy -q --break-system-packages 2>&1 | tail -3
+"$PYTHON" -c "import graphify" 2>/dev/null || pip install graphifyy -q --break-system-packages 2>&1 | tail -3
 # Write interpreter path for all subsequent steps
-$PYTHON -c "import sys; open('.graphify_python', 'w').write(sys.executable)"
+mkdir -p graphify-out
+"$PYTHON" -c "import sys; open('graphify-out/.graphify_python', 'w').write(sys.executable)"
 ```
 
 If the import succeeds, print nothing and move straight to Step 2.
diff --git a/graphify/skill-opencode.md b/graphify/skill-opencode.md
index 6294138..93dd212 100644
--- a/graphify/skill-opencode.md
+++ b/graphify/skill-opencode.md
@@ -62,12 +62,16 @@ Follow these steps in order. Do not skip steps.
 GRAPHIFY_BIN=$(which graphify 2>/dev/null)
 if [ -n "$GRAPHIFY_BIN" ]; then
     PYTHON=$(head -1 "$GRAPHIFY_BIN" | tr -d '#!')
+    case "$PYTHON" in
+        *[!a-zA-Z0-9/_.-]*) PYTHON="python3" ;;
+    esac
 else
     PYTHON="python3"
 fi
-$PYTHON -c "import graphify" 2>/dev/null || pip install graphifyy -q --break-system-packages 2>&1 | tail -3
+"$PYTHON" -c "import graphify" 2>/dev/null || pip install graphifyy -q --break-system-packages 2>&1 | tail -3
 # Write interpreter path for all subsequent steps
-$PYTHON -c "import sys; open('.graphify_python', 'w').write(sys.executable)"
+mkdir -p graphify-out
+"$PYTHON" -c "import sys; open('graphify-out/.graphify_python', 'w').write(sys.executable)"
 ```
 
 If the import succeeds, print nothing and move straight to Step 2.
diff --git a/graphify/skill-trae.md b/graphify/skill-trae.md
index bed6330..9d77856 100644
--- a/graphify/skill-trae.md
+++ b/graphify/skill-trae.md
@@ -62,12 +62,15 @@ Follow these steps in order. Do not skip steps.
 GRAPHIFY_BIN=$(which graphify 2>/dev/null)
 if [ -n "$GRAPHIFY_BIN" ]; then
     PYTHON=$(head -1 "$GRAPHIFY_BIN" | tr -d '#!')
+    case "$PYTHON" in
+        *[!a-zA-Z0-9/_.-]*) PYTHON="python3" ;;
+    esac
 else
     PYTHON="python3"
 fi
-$PYTHON -c "import graphify" 2>/dev/null || pip install graphifyy -q --break-system-packages 2>&1 | tail -3
+"$PYTHON" -c "import graphify" 2>/dev/null || pip install graphifyy -q --break-system-packages 2>&1 | tail -3
 # Write interpreter path for all subsequent steps
-$PYTHON -c "import sys; open('.graphify_python', 'w').write(sys.executable)"
+"$PYTHON" -c "import sys; open('graphify-out/.graphify_python', 'w').write(sys.executable)"
 ```
 
 If the import succeeds, print nothing and move straight to Step 2.
diff --git a/graphify/skill.md b/graphify/skill.md
index 35ca681..f6a47fb 100644
--- a/graphify/skill.md
+++ b/graphify/skill.md
@@ -64,12 +64,15 @@ Follow these steps in order. Do not skip steps.
 GRAPHIFY_BIN=$(which graphify 2>/dev/null)
 if [ -n "$GRAPHIFY_BIN" ]; then
     PYTHON=$(head -1 "$GRAPHIFY_BIN" | tr -d '#!')
+    case "$PYTHON" in
+        *[!a-zA-Z0-9/_.-]*) PYTHON="python3" ;;
+    esac
 else
     PYTHON="python3"
 fi
-$PYTHON -c "import graphify" 2>/dev/null || pip install graphifyy -q --break-system-packages 2>&1 | tail -3
+"$PYTHON" -c "import graphify" 2>/dev/null || pip install graphifyy -q --break-system-packages 2>&1 | tail -3
 # Write interpreter path for all subsequent steps
-$PYTHON -c "import sys; open('graphify-out/.graphify_python', 'w').write(sys.executable)"
+"$PYTHON" -c "import sys; open('graphify-out/.graphify_python', 'w').write(sys.executable)"
 mkdir -p graphify-out
 ```