diff --git a/package.json b/package.json
index 87d40501..ab4b9e66 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,7 @@
     "dev:gateway": "pnpm --filter @multica/gateway dev",
     "dev:web": "pnpm --filter @multica/web dev",
     "dev:local": "bash scripts/dev-local.sh",
+    "dev:local:archive": "bash scripts/archive-dev-data.sh",
     "dev:all": "concurrently \"pnpm dev:gateway\" \"pnpm dev:web\"",
     "build": "turbo build",
     "build:desktop": "pnpm --filter @multica/desktop build",
diff --git a/scripts/archive-dev-data.sh b/scripts/archive-dev-data.sh
new file mode 100755
index 00000000..ae85360f
--- /dev/null
+++ b/scripts/archive-dev-data.sh
@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+#
+# Archive and clean the dev environment data.
+#
+# Moves ~/.super-multica-dev and ~/Documents/Multica-dev into a
+# timestamped archive directory for later debugging / analysis.
+#
+# Usage:
+#   pnpm dev:local:archive
+#
+# Archives are stored in: ~/.super-multica-dev-archives/<timestamp>/
+
+set -euo pipefail
+
+TIMESTAMP=$(date +"%Y%m%d-%H%M%S")
+ARCHIVE_BASE="$HOME/.super-multica-dev-archives"
+ARCHIVE_DIR="$ARCHIVE_BASE/$TIMESTAMP"
+
+DEV_DATA="$HOME/.super-multica-dev"
+DEV_WORKSPACE="$HOME/Documents/Multica-dev"
+
+# Check if there's anything to archive
+if [ ! -d "$DEV_DATA" ] && [ ! -d "$DEV_WORKSPACE" ]; then
+  echo "Nothing to archive — neither $DEV_DATA nor $DEV_WORKSPACE exists."
+  exit 0
+fi
+
+mkdir -p "$ARCHIVE_DIR"
+
+if [ -d "$DEV_DATA" ]; then
+  mv "$DEV_DATA" "$ARCHIVE_DIR/data"
+  echo "  Archived $DEV_DATA -> $ARCHIVE_DIR/data"
+fi
+
+if [ -d "$DEV_WORKSPACE" ]; then
+  mv "$DEV_WORKSPACE" "$ARCHIVE_DIR/workspace"
+  echo "  Archived $DEV_WORKSPACE -> $ARCHIVE_DIR/workspace"
+fi
+
+echo ""
+echo "Archived to: $ARCHIVE_DIR"
+echo "Dev environment is now clean. Run 'pnpm dev:local' to start fresh."