diff --git a/skills/kugetsu/SKILL.md b/skills/kugetsu/SKILL.md
index 4308870..c3a7684 100644
--- a/skills/kugetsu/SKILL.md
+++ b/skills/kugetsu/SKILL.md
@@ -47,6 +47,7 @@ A default config file is created during `kugetsu init` with commented examples:
 | Variable | Default | Description |
 |----------|---------|-------------|
 | `MAX_CONCURRENT_AGENTS` | 3 | Maximum number of concurrent dev agents |
+| `KUGETSU_TEMP_DIR` | `~/.local/share/opencode/tool-output` | Temp directory for subagent tool output (useful in headless environments where /tmp is restricted) |
 
 ### Environment Variables for Agents
 
diff --git a/skills/kugetsu/scripts/kugetsu b/skills/kugetsu/scripts/kugetsu
index 29348bc..3b77ea0 100755
--- a/skills/kugetsu/scripts/kugetsu
+++ b/skills/kugetsu/scripts/kugetsu
@@ -563,8 +563,10 @@ cmd_delegate() {
     mkdir -p "$LOGS_DIR"
     local log_file="$LOGS_DIR/delegate-$(date +%s).log"
     
+    local temp_dir="${KUGETSU_TEMP_DIR:-$HOME/.local/share/opencode/tool-output}"
+    
     mkdir -p "$ENV_DIR"
-    local env_sh="set -a; "
+    local env_sh="set -a; export KUGETSU_TEMP_DIR='$temp_dir'; "
     if [ -f "$ENV_DIR/pm-agent.env" ]; then
         env_sh="${env_sh}source '$ENV_DIR/pm-agent.env'; "
     elif [ -f "$ENV_DIR/default.env" ]; then
diff --git a/skills/kugetsu/tests/test-kugetsu-v2.sh b/skills/kugetsu/tests/test-kugetsu-v2.sh
index 6ee0b4f..9d474d7 100644
--- a/skills/kugetsu/tests/test-kugetsu-v2.sh
+++ b/skills/kugetsu/tests/test-kugetsu-v2.sh
@@ -634,6 +634,15 @@ else
 fi
 echo ""
 
+# Test E7: KUGETSU_TEMP_DIR is exported in cmd_delegate
+echo "--- Test: KUGETSU_TEMP_DIR export in cmd_delegate ---"
+if grep -q "KUGETSU_TEMP_DIR" "$KUGETSU" && grep -q "export KUGETSU_TEMP_DIR" "$KUGETSU"; then
+    pass "KUGETSU_TEMP_DIR is exported to delegated agents"
+else
+    fail "KUGETSU_TEMP_DIR not found in cmd_delegate export"
+fi
+echo ""
+
 # Cleanup env files
 rm -rf ~/.kugetsu/env 2>/dev/null || true