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/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