diff --git a/scripts/build_logos_delivery_lib.sh b/scripts/build_logos_delivery_lib.sh
new file mode 100755
index 000000000..be3c1d6b4
--- /dev/null
+++ b/scripts/build_logos_delivery_lib.sh
@@ -0,0 +1,120 @@
+#!/usr/bin/env bash
+# Prerequisites:
+#   - Nim / nimble / choosenim installed (e.g. via https://nim-lang.org/choosenim)
+#   - make, gcc / g++ (or clang on macOS)
+#   - python3 available on PATH
+#   - git submodules initialised:
+#       git submodule update --init --recursive
+
+set -euo pipefail
+
+# ── Resolve repository root ───────────────────────────────────────────────────
+# The script lives in <repo>/scripts/, so go one level up.
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+REPO_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
+
+# ── Resolve Python interpreter ────────────────────────────────────────────────
+# Prefer the project's own virtual environment (cffi + all requirements).
+# Checks both the hidden (.venv) and non-hidden (venv) conventional names.
+# Falls back to whatever python3 is on PATH (e.g. in CI after pip install).
+if [ -x "$REPO_ROOT/.venv/bin/python" ]; then
+    PYTHON="$REPO_ROOT/.venv/bin/python"
+    echo "Using venv Python: $PYTHON"
+elif [ -x "$REPO_ROOT/venv/bin/python" ]; then
+    PYTHON="$REPO_ROOT/venv/bin/python"
+    echo "Using venv Python: $PYTHON"
+else
+    PYTHON="$(command -v python3 || command -v python)"
+    echo "No local venv found, falling back to: $PYTHON"
+fi
+
+# ── 1. Build liblogosdelivery shared library for Python bindings ──────────────
+echo "──────────────────────────────────────────────────────────────────────────"
+echo "Step 1 – Build liblogosdelivery shared library for Python bindings"
+echo "──────────────────────────────────────────────────────────────────────────"
+
+# Make sure nimble / choosenim binaries are on PATH (same as CI)
+export PATH="$HOME/.nimble/bin:$PATH"
+
+BINDINGS_DIR="$REPO_ROOT/vendor/logos-delivery-python-bindings"
+DELIVERY_DIR="$BINDINGS_DIR/vendor/logos-delivery"
+
+export "PYTHONPATH=$BINDINGS_DIR/waku${PYTHONPATH:+:$PYTHONPATH}"
+
+echo "--> Creating lib output directory: $BINDINGS_DIR/lib"
+mkdir -p "$BINDINGS_DIR/lib"
+
+echo "--> Entering: $DELIVERY_DIR"
+cd "$DELIVERY_DIR"
+
+echo "--> Creating waku.nims symlink (waku.nimble -> waku.nims)"
+ln -sf waku.nimble waku.nims
+
+echo "--> Installing Nim dependencies (nimble install -y)"
+nimble install -y
+
+echo "--> Running: make setup"
+make setup
+
+echo "--> Running: make liblogosdelivery"
+make liblogosdelivery
+
+# On Linux the library is .so; on macOS it may be .dylib
+SO_PATH="$(find . -type f \( -name 'liblogosdelivery.so' -o -name 'liblogosdelivery.dylib' \) | head -n 1)"
+
+if [ -z "$SO_PATH" ]; then
+    echo "ERROR: liblogosdelivery shared library was not built (neither .so nor .dylib found)"
+    exit 1
+fi
+
+# Preserve the platform-native extension in the destination
+case "$SO_PATH" in
+    *.dylib) DEST_LIB="$BINDINGS_DIR/lib/liblogosdelivery.dylib" ;;
+    *)       DEST_LIB="$BINDINGS_DIR/lib/liblogosdelivery.so"    ;;
+esac
+
+cp "$SO_PATH" "$DEST_LIB"
+echo "Built library:"
+ls -l "$DEST_LIB"
+
+# ── 2. Verify wrapper library ─────────────────────────────────────────────────
+echo ""
+echo "──────────────────────────────────────────────────────────────────────────"
+echo "Step 2 – Verify wrapper library"
+echo "──────────────────────────────────────────────────────────────────────────"
+
+if test -f "$BINDINGS_DIR/lib/liblogosdelivery.so" \
+    || test -f "$BINDINGS_DIR/lib/liblogosdelivery.dylib"; then
+    echo "OK: wrapper library is present in $BINDINGS_DIR/lib/"
+else
+    echo "ERROR: wrapper library not found in $BINDINGS_DIR/lib/"
+    exit 1
+fi
+
+# ── 3. Debug Python import paths ──────────────────────────────────────────────
+echo ""
+echo "──────────────────────────────────────────────────────────────────────────"
+echo "Step 3 – Debug Python import paths"
+echo "──────────────────────────────────────────────────────────────────────────"
+
+cd "$REPO_ROOT"
+
+# Prepend the waku bindings directory to PYTHONPATH (mirrors the CI env step)
+export PYTHONPATH="$REPO_ROOT/vendor/logos-delivery-python-bindings/waku${PYTHONPATH:+:$PYTHONPATH}"
+
+pwd
+echo "PYTHONPATH=$PYTHONPATH"
+find . -maxdepth 5 | grep wrapper || true
+
+"$PYTHON" - <<'PY'
+import sys
+print("sys.path:")
+for p in sys.path:
+    print(p)
+try:
+    import wrapper
+    print("wrapper import OK:", wrapper)
+except Exception as e:
+    print("wrapper import failed:", e)
+    raise
+PY