diff --git a/default.nix b/default.nix
index b1b05697..b9f1c37f 100644
--- a/default.nix
+++ b/default.nix
@@ -193,6 +193,8 @@ inherit (pkgs) nix kapp kubectl stern vault docker-compose cfssl kompose
     buildGoModule = pkgs.buildGo120Module;
   };
 
+  print-client-zones-infos = pkgs.callPackage ./pkgs/print-client-zones-infos { };
+
   promtool = pkgs.callPackage ./pkgs/promtool.nix {};
 
   sd = import sources.sd.outPath { inherit pkgs; };
diff --git a/pkgs/print-client-zones-infos/default.nix b/pkgs/print-client-zones-infos/default.nix
new file mode 100644
index 00000000..ca9088b5
--- /dev/null
+++ b/pkgs/print-client-zones-infos/default.nix
@@ -0,0 +1,32 @@
+{ stdenv
+, lib
+, runCommand
+, makeWrapper
+}:
+
+stdenv.mkDerivation rec {
+  pname = "print-client-zones-infos";
+  version = "1.0.0";
+
+  buildInputs = [ makeWrapper ];
+
+  dontBuild = true;
+  dontConfigure = true;
+  unpackPhase = ":";
+  installPhase = ''
+    mkdir -p $out/bin
+    cp ${./print-client-zones-infos.sh} $out/bin/print-client-zones-infos
+    chmod +x $out/bin/print-client-zones-infos
+
+    substituteInPlace $out/bin/print-client-zones-infos --replace PRINT_CLIENT_ZONES_INFOS_VERSION ${version}
+    wrapProgram $out/bin/print-client-zones-infos --prefix PATH ":" ${lib.makeBinPath [ ]}
+  '';
+
+  meta = with lib; {
+    description = "Print NGOT zones infos for a given client/contract";
+    homepage = "https://github.com/Caascad/toolbox";
+    license = licenses.mit;
+    maintainers = with maintainers; [ "ngc104" ];
+  };
+
+}
diff --git a/pkgs/print-client-zones-infos/print-client-zones-infos.sh b/pkgs/print-client-zones-infos/print-client-zones-infos.sh
new file mode 100755
index 00000000..b3c79abb
--- /dev/null
+++ b/pkgs/print-client-zones-infos/print-client-zones-infos.sh
@@ -0,0 +1,112 @@
+#! /bin/bash
+
+CLIENT=$1
+
+APP=print-client-zones-infos
+
+if [ "${CLIENT}" = "" ]; then
+    echo "Usage: $0 <client>"
+    echo "Exemple : $0 demo"
+    exit 1
+fi
+
+if [ "${CLIENT}" = "version" ] || [ "${CLIENT}" = "--version" ]; then
+  echo "${APP} version : PRINT_CLIENT_ZONES_INFOS_VERSION"
+  exit 0
+fi
+
+CAASCAD_ZONES_URL=${CAASCAD_ZONES_URL:-https://git.corp.caascad.com/caascad/terraform/envs-ng/-/raw/master/gen/zones_static/zones.json}
+
+ALLZONES=$(curl -sL --connect-timeout 2 "${CAASCAD_ZONES_URL}" 2>/dev/null)
+
+#CONTRACT below is unused. Leaving it here for the example.
+#CONTRACT=$(echo "${ALLZONES}" | jq -r --arg c "${CLIENT}" '.["obs-"+$c]')
+
+print_header() {
+  header="$1"
+  line="====================================================="
+  printf "\n=== %s %s\n" "${header}" "${line:${#header}}"
+}
+
+print_kv() {
+  k="$1"
+  v="$2"
+  printf "%-40s : %s\n" "$k" "$v"
+}
+
+print_dict() {
+  k="$1"
+  v="$2"
+  
+  while read -r l; do
+    eval "${l}"
+    echo ""
+  done <<< "$(echo "${v}" | jq -r --arg title "${k}" '. | to_entries | .[]| ["printf", "%-40s : %s", $title+"("+.key+")", .value]|@sh')"
+}
+
+get_zone() {
+  subtype="$1"
+  echo "${ALLZONES}" | jq -r --arg c "${CLIENT}" --arg s "${subtype}" '
+      .[] 
+      | select(.contract_zone_name == "obs-"+$c)
+      | select(.subtype == $s)
+  '
+}
+
+print_grafana_client() {
+  z=$(get_zone "grafana-client")
+  [ -z "$z" ] && return
+  zone_name=$(echo "$z" | jq -r '.name')
+  dns_domain=$(echo "$z" | jq -r '.dns_domain')
+  cluster_name=$(echo "$z" | jq -r '.cluster_zone_name')
+  mapfile -t thanos_query_connected_services < <(echo "$z" | jq -r '.parameters.thanos_query_connected_services[].name' |sed -e 's/svc-monitoring-stack-client-\([a-z]*\)/\1/')
+
+  print_header "Grafana"
+  print_kv "name" "${zone_name}"
+  print_kv "Cluster" "${cluster_name}"
+  print_dict "Namespace" '{"main": "grafana-client-obs-'"${CLIENT}"'", "dashboards": "grafana-dashboards-obs-'"${CLIENT}"'"}'
+  print_kv "Grafana URL" "https://grafana.${dns_domain}"
+  print_kv "Grafana DS Thanos" "$(printf ",%s" "${thanos_query_connected_services[@]}" | sed -e 's/^,//g')"
+}
+
+print_monitoring_stack_client() {
+  z=$(get_zone "monitoring-stack-client")
+  [ -z "$z" ] && return
+  zone_name=$(echo "$z" | jq -r '.name')
+  cluster_name=$(echo "$z" | jq -r '.cluster_zone_name')
+  namespace=$(echo "$z" | jq -r '.parameters["monitoring-stack"].namespace')
+  notifications_targets=$(echo "$z" | jq -r '[.parameters["monitoring-stack"].alertmanager.notifications_targets[].name]|@csv' | sed -e 's/"//g' -e 's/,/, /g')
+  [ -z "${notifications_targets}" ] && notifications_targets="(aucune)"
+  exporters_nb=$(echo "$z" | jq -r '.parameters["monitoring-stack"].prometheus.exporters | to_entries | map(.value = (.value | length)) | from_entries')
+  retention_raw=$(echo "$z" | jq -r '.parameters.thanos.retention.raw')
+  retention_5m=$(echo "$z" | jq -r '.parameters.thanos.retention.downsampling_5m')
+  retention_1h=$(echo "$z" | jq -r '.parameters.thanos.retention.downsampling_1h')
+
+  print_header "Monitoring stack"
+  print_kv "name" "${zone_name}"
+  print_kv "Cluster" "${cluster_name}"
+  print_dict "Namespace" '{"main": "'"${namespace}"'", "probes": "probes-obs-'"${CLIENT}"'", "rules": "rules-obs-'"${CLIENT}"'"}'
+  print_kv "Alertmanager notifications targets" "${notifications_targets}"
+
+  print_dict "NB Exporters" "${exporters_nb}"
+  print_kv "Retentions (raw / 5m / 1h)" "${retention_raw} / ${retention_5m} / ${retention_1h}"
+}
+
+print_loki_client() {
+  z=$(get_zone "loki-client")
+  [ -z "$z" ] && return
+  zone_name=$(echo "$z" | jq -r '.name')
+  cluster_name=$(echo "$z" | jq -r '.cluster_zone_name')
+  retention=$(echo "$z" | jq -r '.parameters.loki.retention')
+
+  print_header "Loki"
+  print_kv "name" "${zone_name}"
+  print_kv "Cluster" "${cluster_name}"
+  print_kv "Namespace" "loki-client-obs-${CLIENT}"
+
+  print_kv "Retention" "${retention}"
+}
+
+print_grafana_client
+print_monitoring_stack_client
+print_loki_client