diff --git a/scripts/ops-sentinel.sh b/scripts/ops-sentinel.sh
index a3b70d5..ec03b50 100755
--- a/scripts/ops-sentinel.sh
+++ b/scripts/ops-sentinel.sh
@@ -10,6 +10,12 @@ BACKUP_MAX_AGE_HOURS="${BACKUP_MAX_AGE_HOURS:-8}"
 SEARX_URL="${SEARX_URL:-http://192.168.153.113:18803}"
 WHISPER_URL="${WHISPER_URL:-http://192.168.153.113:18801}"
 MCP_URL="${MCP_URL:-http://192.168.153.113:18802/mcp}"
+OLLAMA_URL="${OLLAMA_URL:-http://127.0.0.1:11434}"
+OLLAMA_EMBED_MODEL="${OLLAMA_EMBED_MODEL:-nomic-embed-text:latest}"
+OLLAMA_REQUIRED="${OLLAMA_REQUIRED:-false}"
+MINIO_URL="${MINIO_URL:-http://192.168.153.253:9000}"
+DOCKER_EXPECTED_CONTAINERS="${DOCKER_EXPECTED_CONTAINERS:-searxng whisper-server brave-search}"
+DOCKER_REQUIRE_EXPECTED="${DOCKER_REQUIRE_EXPECTED:-false}"
 WARN_DISK_PCT="${WARN_DISK_PCT:-85}"
 WARN_MEM_PCT="${WARN_MEM_PCT:-85}"
 
@@ -122,12 +128,63 @@ else
   add_next "Create backup log or fix backup script path"
 fi
 
-# 3) Key LAN service probes
+# 3) Docker service health (containers + health state)
+if command -v docker >/dev/null 2>&1; then
+  if docker ps --format '{{.Names}}\t{{.Status}}' >"$ARTIFACT_DIR/docker-ps.txt" 2>"$ARTIFACT_DIR/docker-ps.err"; then
+    for svc in $DOCKER_EXPECTED_CONTAINERS; do
+      if grep -qE "^${svc}[[:space:]]" "$ARTIFACT_DIR/docker-ps.txt"; then
+        line="$(grep -E "^${svc}[[:space:]]" "$ARTIFACT_DIR/docker-ps.txt" | head -n1)"
+        if echo "$line" | grep -qiE 'unhealthy|dead|exited|restarting'; then
+          add_now "P1 Docker container ${svc} unhealthy (${line#*$'\t'})"
+          mark_p1
+          add_next "Check logs: docker logs --tail=200 ${svc}"
+        else
+          add_watch "P4 Docker container ${svc} running"
+        fi
+      else
+        if [[ "${DOCKER_REQUIRE_EXPECTED}" == "true" ]]; then
+          add_now "P1 Docker container missing: ${svc}"
+          mark_p1
+          add_next "Start or restore container: ${svc}"
+        else
+          add_watch "P3 Docker container not found locally: ${svc} (may run on another host)"
+        fi
+      fi
+    done
+  else
+    add_watch "P3 docker ps failed"
+    add_next "Check Docker daemon permissions/state"
+  fi
+else
+  add_watch "P3 docker CLI not available"
+fi
+
+# 4) Key LAN + local service probes
 http_probe "searxng" "$SEARX_URL" '^200$'
 http_probe "whisper" "$WHISPER_URL" '^200$'
 http_probe "brave-mcp" "$MCP_URL" '^(200|406)$'
+http_probe "minio-live" "${MINIO_URL%/}/minio/health/live" '^200$'
 
-# 4) Host pressure: disk + memory
+# 5) Ollama embeddings availability + target model
+if curl -sS -m 6 "${OLLAMA_URL%/}/api/tags" >"$ARTIFACT_DIR/ollama-tags.json" 2>"$ARTIFACT_DIR/ollama-tags.err"; then
+  if jq -e --arg model "$OLLAMA_EMBED_MODEL" '.models[]? | select(.name == $model)' "$ARTIFACT_DIR/ollama-tags.json" >/dev/null 2>&1; then
+    add_watch "P4 Ollama up; embedding model present (${OLLAMA_EMBED_MODEL})"
+  else
+    add_soon "P2 Ollama up but embedding model missing (${OLLAMA_EMBED_MODEL})"
+    mark_p2
+    add_next "Pull model: ollama pull ${OLLAMA_EMBED_MODEL}"
+  fi
+else
+  if [[ "${OLLAMA_REQUIRED}" == "true" ]]; then
+    add_now "P1 Ollama unreachable (${OLLAMA_URL})"
+    mark_p1
+    add_next "Check Ollama service and port (default 11434)"
+  else
+    add_watch "P3 Ollama unreachable at configured URL (${OLLAMA_URL}); set OLLAMA_URL if remote"
+  fi
+fi
+
+# 6) Host pressure: disk + memory
 root_disk_pct="$(df -P / | awk 'NR==2 {gsub(/%/,"",$5); print $5}' 2>/dev/null || echo 0)"
 if [[ "$root_disk_pct" =~ ^[0-9]+$ ]]; then
   if (( root_disk_pct >= 95 )); then