diff --git a/scripts/start-local-agent.sh b/scripts/start-local-agent.sh
index 1170554..091aa73 100755
--- a/scripts/start-local-agent.sh
+++ b/scripts/start-local-agent.sh
@@ -5,6 +5,24 @@ ROOT_DIR="$(cd "$(dirname "$0")/.." && pwd)"
 CONFIG_PATH="${1:-$ROOT_DIR/local-agent/config.example.json}"
 NODE_BIN="${BOSS_NODE_BIN:-}"
 
+append_path_if_dir() {
+  local candidate="$1"
+  if [[ -d "$candidate" && ":$PATH:" != *":$candidate:"* ]]; then
+    PATH="$candidate:$PATH"
+  fi
+}
+
+# launchd starts with a very small PATH. Keep CLI runtimes discoverable for
+# Master Codex Node tasks that spawn `codex`, `node`, or Homebrew tools.
+append_path_if_dir "/Applications/Codex.app/Contents/Resources"
+append_path_if_dir "$HOME/Applications/Codex.app/Contents/Resources"
+append_path_if_dir "/opt/homebrew/bin"
+append_path_if_dir "/opt/homebrew/sbin"
+append_path_if_dir "/usr/local/bin"
+append_path_if_dir "$HOME/.local/bin"
+append_path_if_dir "$HOME/.bun/bin"
+export PATH
+
 if [[ -z "$NODE_BIN" ]]; then
   NODE_BIN="$(command -v node 2>/dev/null || true)"
 fi
diff --git a/tests/browser-desktop-runtime-config-defaults.test.mjs b/tests/browser-desktop-runtime-config-defaults.test.mjs
index b9f263b..898b6f6 100644
--- a/tests/browser-desktop-runtime-config-defaults.test.mjs
+++ b/tests/browser-desktop-runtime-config-defaults.test.mjs
@@ -185,4 +185,9 @@ test("repo ships browser and desktop runtime scripts", async () => {
   assert.match(installLocalLaunchAgent, /codexComputerUseWorkdir/);
   assert.match(startLocalAgent, /BOSS_NODE_BIN/);
   assert.match(startLocalAgent, /\.boss-runtime\/node-\*\/bin\/node/);
+  assert.match(
+    startLocalAgent,
+    /\/Applications\/Codex\.app\/Contents\/Resources/,
+    "local-agent launchd startup must include Codex.app CLI in PATH so Master Codex Node can spawn codex",
+  );
 });