diff --git a/CLAUDE.md b/CLAUDE.md
index 4fc490bbb..5bf4b9ebb 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -413,6 +413,7 @@ Each session stays in its issue scope. If Session A discovers a bug in Session B
 3. Recent Completed >30? → Archive oldest batch (verify each issue is CLOSED before archiving)
 4. MEMORY.md >150 lines? → Trim with `/memory-cleanup`
 5. Never use range notation (`#1534-#1545`) in archive refs — enumerate individual issue numbers
+6. Stale worktrees? → Run `scripts/cleanup-worktrees.sh --dry-run` and review, then `scripts/cleanup-worktrees.sh` to remove closed-issue worktrees
 
 ### Multi-Agent Safety
 
diff --git a/scripts/cleanup-worktrees.sh b/scripts/cleanup-worktrees.sh
new file mode 100644
index 000000000..8d506311d
--- /dev/null
+++ b/scripts/cleanup-worktrees.sh
@@ -0,0 +1,116 @@
+#!/usr/bin/env bash
+# AutoBot - AI-Powered Automation Platform
+# Copyright (c) 2025 mrveiss
+# Author: mrveiss
+#
+# Cleanup stale git worktrees under .worktrees/ whose GitHub issues are closed.
+# Usage: scripts/cleanup-worktrees.sh [--dry-run]
+
+set -euo pipefail
+
+REPO_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+WORKTREES_DIR="${REPO_ROOT}/.worktrees"
+DRY_RUN=false
+
+for arg in "$@"; do
+    case "$arg" in
+        --dry-run)
+            DRY_RUN=true
+            ;;
+        --help|-h)
+            echo "Usage: $0 [--dry-run]"
+            echo ""
+            echo "Removes git worktrees under .worktrees/ whose GitHub issues are closed."
+            echo ""
+            echo "Options:"
+            echo "  --dry-run   Show what would be cleaned without making changes"
+            echo "  --help      Show this help message"
+            exit 0
+            ;;
+        *)
+            echo "Error: unknown argument '$arg'" >&2
+            echo "Run '$0 --help' for usage." >&2
+            exit 1
+            ;;
+    esac
+done
+
+if ! command -v gh &>/dev/null; then
+    echo "Error: GitHub CLI (gh) is required but not found." >&2
+    exit 1
+fi
+
+if [ ! -d "$WORKTREES_DIR" ]; then
+    echo "No .worktrees/ directory found. Nothing to clean."
+    exit 0
+fi
+
+removed=0
+skipped=0
+errors=0
+
+echo "Scanning worktrees in ${WORKTREES_DIR}..."
+if $DRY_RUN; then
+    echo "(dry-run mode -- no changes will be made)"
+fi
+echo ""
+
+for worktree_path in "$WORKTREES_DIR"/*/; do
+    # Skip if glob matched nothing
+    [ -d "$worktree_path" ] || continue
+
+    dir_name="$(basename "$worktree_path")"
+
+    # Extract issue number from directory name (e.g., issue-2467 -> 2467)
+    issue_number=""
+    if [[ "$dir_name" =~ issue-([0-9]+) ]]; then
+        issue_number="${BASH_REMATCH[1]}"
+    else
+        echo "  SKIP  ${dir_name} -- cannot extract issue number"
+        skipped=$((skipped + 1))
+        continue
+    fi
+
+    # Check issue state via GitHub CLI
+    issue_state=""
+    issue_state=$(gh issue view "$issue_number" --json state --jq '.state' 2>/dev/null) || true
+
+    if [ -z "$issue_state" ]; then
+        echo "  ERROR ${dir_name} -- could not fetch state for issue #${issue_number}"
+        errors=$((errors + 1))
+        continue
+    fi
+
+    if [ "$issue_state" = "CLOSED" ]; then
+        if $DRY_RUN; then
+            echo "  WOULD REMOVE  ${dir_name}  (issue #${issue_number} is closed)"
+        else
+            echo "  REMOVING      ${dir_name}  (issue #${issue_number} is closed)"
+            if git -C "$REPO_ROOT" worktree remove --force "$worktree_path" 2>/dev/null; then
+                # Also delete the local branch if it exists
+                branch_name="fix/issue-${issue_number}"
+                git -C "$REPO_ROOT" branch -D "$branch_name" 2>/dev/null || true
+            else
+                echo "    WARNING: git worktree remove failed; attempting manual cleanup"
+                rm -rf "$worktree_path"
+                git -C "$REPO_ROOT" worktree prune
+            fi
+        fi
+        removed=$((removed + 1))
+    else
+        echo "  KEEP          ${dir_name}  (issue #${issue_number} is ${issue_state})"
+        skipped=$((skipped + 1))
+    fi
+done
+
+echo ""
+echo "--- Summary ---"
+if $DRY_RUN; then
+    echo "Would remove: ${removed}"
+else
+    echo "Removed:      ${removed}"
+fi
+echo "Kept:         ${skipped}"
+if [ "$errors" -gt 0 ]; then
+    echo "Errors:       ${errors}"
+fi