diff --git a/.tmux.conf b/.tmux.conf
index a79df38..b08f219 100644
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -4,6 +4,7 @@
 # set-option default-path "$PWD"  # deprecated in tmux 1.9
 
 setw -g xterm-keys on
+set-window-option -g xterm-keys on
 set -s escape-time 0
 set -sg repeat-time 300
 set -s focus-events on
@@ -51,6 +52,11 @@ set-hook -ag client-attached 'run -b "tmux refresh-client -S"'
 set-hook -ag pane-focus-in 'run -b "~/.config/agent-tracker/bin/tracker-client command acknowledge --client #{client_tty} --session-id #{session_id} --window-id #{window_id} --pane #{pane_id}"'
 set-hook -ag pane-focus-in 'run -b "tmux refresh-client -S"'
 set-hook -ag pane-died 'run -b "~/.config/agent-tracker/bin/tracker-client command delete_task --client #{client_tty} --session-id #{session_id} --window-id #{window_id} --pane #{pane_id}"'
+
+# -- Project-specific window activation hooks
+# Checks for ./on-tmux-window-activate.sh or ../on-tmux-window-activate.sh and runs it
+set-hook -ag after-select-window 'run-shell "~/.config/tmux/scripts/check_and_run_on_activate.sh \"#{pane_current_path}\""'
+
 # set-hook -ag window-linked 'run -b "tmux refresh-client -S"'
 # set-hook -ag window-unlinked 'run -b "tmux refresh-client -S"'
 # set-hook -ag window-renamed 'run -b "tmux refresh-client -S"'
diff --git a/tmux/scripts/check_and_run_on_activate.sh b/tmux/scripts/check_and_run_on_activate.sh
new file mode 100755
index 0000000..2f2c57f
--- /dev/null
+++ b/tmux/scripts/check_and_run_on_activate.sh
@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+# Check for on-tmux-window-activate.sh in current dir or parent dir and run it
+
+pane_dir="${1:-$PWD}"
+
+# Check current directory
+if [[ -x "$pane_dir/on-tmux-window-activate.sh" ]]; then
+  exec "$pane_dir/on-tmux-window-activate.sh"
+fi
+
+# Check parent directory
+parent_dir=$(dirname "$pane_dir")
+if [[ -x "$parent_dir/on-tmux-window-activate.sh" ]]; then
+  exec "$parent_dir/on-tmux-window-activate.sh"
+fi
+
+exit 0