diff --git a/bin/dev-setup b/bin/dev-setup
index a5bd48275..4ae0c2ed9 100755
--- a/bin/dev-setup
+++ b/bin/dev-setup
@@ -11,7 +11,7 @@
 #        bin/dev-teardown    # clean up
 set -e
 
-REPO_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+REPO_ROOT="$(cd "$(dirname "$0")/.." >/dev/null && pwd)"
 
 # 1. Copy .env from main worktree (if we're a worktree and don't have one)
 if [ ! -f "$REPO_ROOT/.env" ]; then
diff --git a/bin/dev-teardown b/bin/dev-teardown
index dc8f74260..6b5b64cf6 100755
--- a/bin/dev-teardown
+++ b/bin/dev-teardown
@@ -2,7 +2,7 @@
 # Remove local dev skill symlinks. Restores global gstack as the active install.
 set -e
 
-REPO_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+REPO_ROOT="$(cd "$(dirname "$0")/.." >/dev/null && pwd)"
 
 removed=()
 
diff --git a/bin/gstack-community-dashboard b/bin/gstack-community-dashboard
index 1f469283d..870daf846 100755
--- a/bin/gstack-community-dashboard
+++ b/bin/gstack-community-dashboard
@@ -10,7 +10,7 @@
 #   GSTACK_SUPABASE_ANON_KEY      — override Supabase anon key
 set -uo pipefail
 
-GSTACK_DIR="${GSTACK_DIR:-$(cd "$(dirname "$0")/.." && pwd)}"
+GSTACK_DIR="${GSTACK_DIR:-$(cd "$(dirname "$0")/.." >/dev/null && pwd)}"
 
 # Source Supabase config if not overridden by env
 if [ -z "${GSTACK_SUPABASE_URL:-}" ] && [ -f "$GSTACK_DIR/supabase/config.sh" ]; then
diff --git a/bin/gstack-telemetry-log b/bin/gstack-telemetry-log
index 93db82077..65786a3c4 100755
--- a/bin/gstack-telemetry-log
+++ b/bin/gstack-telemetry-log
@@ -17,7 +17,7 @@
 # NOTE: Uses set -uo pipefail (no -e) — telemetry must never exit non-zero
 set -uo pipefail
 
-GSTACK_DIR="${GSTACK_DIR:-$(cd "$(dirname "$0")/.." && pwd)}"
+GSTACK_DIR="${GSTACK_DIR:-$(cd "$(dirname "$0")/.." >/dev/null && pwd)}"
 STATE_DIR="${GSTACK_STATE_DIR:-$HOME/.gstack}"
 ANALYTICS_DIR="$STATE_DIR/analytics"
 JSONL_FILE="$ANALYTICS_DIR/skill-usage.jsonl"
diff --git a/bin/gstack-telemetry-sync b/bin/gstack-telemetry-sync
index be767c23e..3fc2bdc62 100755
--- a/bin/gstack-telemetry-sync
+++ b/bin/gstack-telemetry-sync
@@ -11,7 +11,7 @@
 #   GSTACK_SUPABASE_URL        — override Supabase project URL
 set -uo pipefail
 
-GSTACK_DIR="${GSTACK_DIR:-$(cd "$(dirname "$0")/.." && pwd)}"
+GSTACK_DIR="${GSTACK_DIR:-$(cd "$(dirname "$0")/.." >/dev/null && pwd)}"
 STATE_DIR="${GSTACK_STATE_DIR:-$HOME/.gstack}"
 ANALYTICS_DIR="$STATE_DIR/analytics"
 JSONL_FILE="$ANALYTICS_DIR/skill-usage.jsonl"
diff --git a/bin/gstack-uninstall b/bin/gstack-uninstall
index 2cf3d5288..6747db63c 100755
--- a/bin/gstack-uninstall
+++ b/bin/gstack-uninstall
@@ -36,7 +36,7 @@ if [ -z "${HOME:-}" ]; then
   exit 1
 fi
 
-GSTACK_DIR="${GSTACK_DIR:-$(cd "$(dirname "$0")/.." && pwd)}"
+GSTACK_DIR="${GSTACK_DIR:-$(cd "$(dirname "$0")/.." >/dev/null && pwd)}"
 STATE_DIR="${GSTACK_STATE_DIR:-$HOME/.gstack}"
 _GIT_ROOT="$(git rev-parse --show-toplevel 2>/dev/null || true)"
 
diff --git a/bin/gstack-update-check b/bin/gstack-update-check
index 31e9fdb6f..c9c758b26 100755
--- a/bin/gstack-update-check
+++ b/bin/gstack-update-check
@@ -12,7 +12,7 @@
 #   GSTACK_STATE_DIR    — override ~/.gstack state directory
 set -euo pipefail
 
-GSTACK_DIR="${GSTACK_DIR:-$(cd "$(dirname "$0")/.." && pwd)}"
+GSTACK_DIR="${GSTACK_DIR:-$(cd "$(dirname "$0")/.." >/dev/null && pwd)}"
 STATE_DIR="${GSTACK_STATE_DIR:-$HOME/.gstack}"
 CACHE_FILE="$STATE_DIR/last-update-check"
 MARKER_FILE="$STATE_DIR/just-upgraded-from"