diff --git a/clang-tools-extra/clangd/index/remote/Service.proto b/clang-tools-extra/clangd/index/remote/Service.proto
--- a/clang-tools-extra/clangd/index/remote/Service.proto
+++ b/clang-tools-extra/clangd/index/remote/Service.proto
@@ -10,8 +10,11 @@
 
 package clang.clangd.remote.v1;
 
+import "google/protobuf/empty.proto";
 import "Index.proto";
 
+message MonitoringInfoReply { optional string info = 1; }
+
 // Semantics of SymbolIndex match clangd::SymbolIndex with all required
 // structures corresponding to their clangd::* counterparts.
 service SymbolIndex {
@@ -22,5 +25,7 @@
   rpc Refs(RefsRequest) returns (stream RefsReply) {}
 
   rpc Relations(RelationsRequest) returns (stream RelationsReply) {}
+
+  rpc MonitoringInfo(google.protobuf.Empty) returns (MonitoringInfoReply) {}
 }
 
diff --git a/clang-tools-extra/clangd/index/remote/server/Server.cpp b/clang-tools-extra/clangd/index/remote/server/Server.cpp
--- a/clang-tools-extra/clangd/index/remote/server/Server.cpp
+++ b/clang-tools-extra/clangd/index/remote/server/Server.cpp
@@ -91,7 +91,7 @@
 class RemoteIndexServer final : public v1::SymbolIndex::Service {
 public:
   RemoteIndexServer(clangd::SymbolIndex &Index, llvm::StringRef IndexRoot)
-      : Index(Index) {
+      : Index(Index), ServiceStartTime(std::chrono::system_clock::now()) {
     llvm::SmallString<256> NativePath = IndexRoot;
     llvm::sys::path::native(NativePath);
     ProtobufMarshaller = std::unique_ptr<Marshaller>(new Marshaller(
@@ -280,8 +280,23 @@
         Millis);
   }
 
+  grpc::Status MonitoringInfo(grpc::ServerContext *Context,
+                              const google::protobuf::Empty *Request,
+                              v1::MonitoringInfoReply *Reply) override {
+    auto Uptime = std::chrono::duration_cast<std::chrono::minutes>(
+                      std::chrono::system_clock::now() - ServiceStartTime)
+                      .count();
+    Reply->set_info(llvm::formatv(
+        "Service started at {0:%Y-%m-%d %H:%M:%S}. Uptime: {1} h {2} m.",
+        ServiceStartTime, Uptime / 60, Uptime % 60));
+    logRequest(*Request);
+    logResponse(*Reply);
+    return grpc::Status::OK;
+  }
+
   std::unique_ptr<Marshaller> ProtobufMarshaller;
   clangd::SymbolIndex &Index;
+  llvm::sys::TimePoint<> ServiceStartTime;
 };
 
 // Detect changes in \p IndexPath file and load new versions of the index