diff --git a/ReactAndroid/src/main/java/com/facebook/hermes/reactexecutor/HermesExecutorFactory.cpp b/ReactAndroid/src/main/java/com/facebook/hermes/reactexecutor/HermesExecutorFactory.cpp
index e313d4ea771..5f19e827a77 100644
--- a/ReactAndroid/src/main/java/com/facebook/hermes/reactexecutor/HermesExecutorFactory.cpp
+++ b/ReactAndroid/src/main/java/com/facebook/hermes/reactexecutor/HermesExecutorFactory.cpp
@@ -50,18 +50,21 @@ class HermesExecutorRuntimeAdapter
 
   virtual ~HermesExecutorRuntimeAdapter() = default;
 
-  HermesRuntime &getRuntime() override {
-    return hermesRuntime_;
+  jsi::Runtime &getRuntime() override {
+    return *runtime_;
+  }
+
+  debugger::Debugger &getDebugger() override {
+    return hermesRuntime_.getDebugger();
   }
 
   void tickleJs() override {
     // The queue will ensure that runtime_ is still valid when this
     // gets invoked.
-    // clang-format off
-    thread_->runOnQueue([&runtime = hermesRuntime_]() {
-      // clang-format on
-      auto func = runtime.global().getPropertyAsFunction(runtime, "__tickleJs");
-      func.call(runtime);
+    thread_->runOnQueue([&runtime = runtime_]() {
+      auto func =
+          runtime->global().getPropertyAsFunction(*runtime, "__tickleJs");
+      func.call(*runtime);
     });
   }
 
@@ -193,7 +196,7 @@ std::unique_ptr<JSExecutor> HermesExecutorFactory::createJSExecutor(
     std::shared_ptr<MessageQueueThread> jsQueue) {
   std::unique_ptr<HermesRuntime> hermesRuntime =
       makeHermesRuntimeSystraced(runtimeConfig_);
-  HermesRuntime& hermesRuntimeRef = *hermesRuntime;
+  HermesRuntime &hermesRuntimeRef = *hermesRuntime;
   auto decoratedRuntime = std::make_shared<DecoratedRuntime>(
       makeTracingHermesRuntime(std::move(hermesRuntime), runtimeConfig_),
       hermesRuntimeRef,
diff --git a/ReactCommon/hermes/inspector/Inspector.cpp b/ReactCommon/hermes/inspector/Inspector.cpp
index 607a5ca9e4e..8ab8e8643aa 100644
--- a/ReactCommon/hermes/inspector/Inspector.cpp
+++ b/ReactCommon/hermes/inspector/Inspector.cpp
@@ -108,12 +108,13 @@ Inspector::Inspector(
     InspectorObserver &observer,
     bool pauseOnFirstStatement)
     : adapter_(adapter),
-      debugger_(adapter->getRuntime().getDebugger()),
+      debugger_(adapter->getDebugger()),
       observer_(observer),
       executor_(std::make_unique<detail::SerialExecutor>("hermes-inspector")) {
   // TODO (t26491391): make tickleJs a real Hermes runtime API
-  const char *src = "function __tickleJs() { return Math.random(); }";
-  adapter->getRuntime().debugJavaScript(src, "__tickleJsHackUrl", {});
+  std::string src = "function __tickleJs() { return Math.random(); }";
+  adapter->getRuntime().evaluateJavaScript(
+      std::make_shared<jsi::StringBuffer>(src), "__tickleJsHackUrl");
 
   {
     std::lock_guard<std::mutex> lock(mutex_);
diff --git a/ReactCommon/hermes/inspector/RuntimeAdapter.cpp b/ReactCommon/hermes/inspector/RuntimeAdapter.cpp
index 2b720b01630..ce0baa79ada 100644
--- a/ReactCommon/hermes/inspector/RuntimeAdapter.cpp
+++ b/ReactCommon/hermes/inspector/RuntimeAdapter.cpp
@@ -16,15 +16,20 @@ RuntimeAdapter::~RuntimeAdapter() = default;
 void RuntimeAdapter::tickleJs() {}
 
 SharedRuntimeAdapter::SharedRuntimeAdapter(
-    std::shared_ptr<HermesRuntime> runtime)
-    : runtime_(std::move(runtime)) {}
+    std::shared_ptr<jsi::Runtime> runtime,
+    debugger::Debugger &debugger)
+    : runtime_(std::move(runtime)), debugger_(debugger) {}
 
 SharedRuntimeAdapter::~SharedRuntimeAdapter() = default;
 
-HermesRuntime &SharedRuntimeAdapter::getRuntime() {
+jsi::Runtime &SharedRuntimeAdapter::getRuntime() {
   return *runtime_;
 }
 
+debugger::Debugger &SharedRuntimeAdapter::getDebugger() {
+  return debugger_;
+}
+
 } // namespace inspector
 } // namespace hermes
 } // namespace facebook
diff --git a/ReactCommon/hermes/inspector/RuntimeAdapter.h b/ReactCommon/hermes/inspector/RuntimeAdapter.h
index b8a075dae8a..bfe32c98329 100644
--- a/ReactCommon/hermes/inspector/RuntimeAdapter.h
+++ b/ReactCommon/hermes/inspector/RuntimeAdapter.h
@@ -24,8 +24,9 @@ class RuntimeAdapter {
  public:
   virtual ~RuntimeAdapter() = 0;
 
-  /// getRuntime should return the Hermes runtime encapsulated by this adapter.
-  virtual HermesRuntime &getRuntime() = 0;
+  /// getRuntime should return the runtime encapsulated by this adapter.
+  virtual jsi::Runtime &getRuntime() = 0;
+  virtual debugger::Debugger &getDebugger() = 0;
 
   /// tickleJs is a method that subclasses can choose to override to make the
   /// inspector more responsive. If overridden, it should call the "__tickleJs"
@@ -50,13 +51,17 @@ class RuntimeAdapter {
  */
 class SharedRuntimeAdapter : public RuntimeAdapter {
  public:
-  SharedRuntimeAdapter(std::shared_ptr<HermesRuntime> runtime);
+  SharedRuntimeAdapter(
+      std::shared_ptr<jsi::Runtime> runtime,
+      debugger::Debugger &debugger);
   virtual ~SharedRuntimeAdapter();
 
-  HermesRuntime &getRuntime() override;
+  jsi::Runtime &getRuntime() override;
+  debugger::Debugger &getDebugger() override;
 
  private:
-  std::shared_ptr<HermesRuntime> runtime_;
+  std::shared_ptr<jsi::Runtime> runtime_;
+  debugger::Debugger &debugger_;
 };
 
 } // namespace inspector
diff --git a/ReactCommon/hermes/inspector/chrome/Connection.cpp b/ReactCommon/hermes/inspector/chrome/Connection.cpp
index 8fa7b3633ed..f67f780fc7f 100644
--- a/ReactCommon/hermes/inspector/chrome/Connection.cpp
+++ b/ReactCommon/hermes/inspector/chrome/Connection.cpp
@@ -48,7 +48,7 @@ class Connection::Impl : public inspector::InspectorObserver,
       bool waitForDebugger);
   ~Impl();
 
-  HermesRuntime &getRuntime();
+  jsi::Runtime &getRuntime();
   std::string getTitle() const;
 
   bool connect(std::unique_ptr<IRemoteConnection> remoteConn);
@@ -151,7 +151,7 @@ Connection::Impl::Impl(
 
 Connection::Impl::~Impl() = default;
 
-HermesRuntime &Connection::Impl::getRuntime() {
+jsi::Runtime &Connection::Impl::getRuntime() {
   return runtimeAdapter_->getRuntime();
 }
 
@@ -617,7 +617,7 @@ Connection::Impl::makePropsFromValue(
   std::vector<m::runtime::PropertyDescriptor> result;
 
   if (value.isObject()) {
-    HermesRuntime &runtime = getRuntime();
+    jsi::Runtime &runtime = getRuntime();
     jsi::Object obj = value.getObject(runtime);
 
     // TODO(hypuk): obj.getPropertyNames only returns enumerable properties.
@@ -768,7 +768,7 @@ Connection::Connection(
 
 Connection::~Connection() = default;
 
-HermesRuntime &Connection::getRuntime() {
+jsi::Runtime &Connection::getRuntime() {
   return impl_->getRuntime();
 }
 
diff --git a/ReactCommon/hermes/inspector/chrome/Connection.h b/ReactCommon/hermes/inspector/chrome/Connection.h
index ffcf805389a..d8c0fe3197e 100644
--- a/ReactCommon/hermes/inspector/chrome/Connection.h
+++ b/ReactCommon/hermes/inspector/chrome/Connection.h
@@ -32,7 +32,7 @@ class Connection {
   ~Connection();
 
   /// getRuntime returns the underlying runtime being debugged.
-  HermesRuntime &getRuntime();
+  jsi::Runtime &getRuntime();
 
   /// getTitle returns the name of the friendly name of the runtime that's shown
   /// to users in Nuclide.
diff --git a/ReactCommon/hermes/inspector/chrome/MessageConverters.cpp b/ReactCommon/hermes/inspector/chrome/MessageConverters.cpp
index 288cc333992..015d5521c3a 100644
--- a/ReactCommon/hermes/inspector/chrome/MessageConverters.cpp
+++ b/ReactCommon/hermes/inspector/chrome/MessageConverters.cpp
@@ -59,7 +59,7 @@ m::debugger::CallFrame m::debugger::makeCallFrame(
     const h::debugger::CallFrameInfo &callFrameInfo,
     const h::debugger::LexicalInfo &lexicalInfo,
     RemoteObjectsTable &objTable,
-    HermesRuntime &runtime,
+    jsi::Runtime &runtime,
     const facebook::hermes::debugger::ProgramState &state) {
   m::debugger::CallFrame result;
 
@@ -115,7 +115,7 @@ m::debugger::CallFrame m::debugger::makeCallFrame(
 std::vector<m::debugger::CallFrame> m::debugger::makeCallFrames(
     const h::debugger::ProgramState &state,
     RemoteObjectsTable &objTable,
-    HermesRuntime &runtime) {
+    jsi::Runtime &runtime) {
   const h::debugger::StackTrace &stackTrace = state.getStackTrace();
   uint32_t count = stackTrace.callFrameCount();
 
diff --git a/ReactCommon/hermes/inspector/chrome/MessageConverters.h b/ReactCommon/hermes/inspector/chrome/MessageConverters.h
index b8a606b56bb..6d7f2a2608f 100644
--- a/ReactCommon/hermes/inspector/chrome/MessageConverters.h
+++ b/ReactCommon/hermes/inspector/chrome/MessageConverters.h
@@ -98,13 +98,13 @@ CallFrame makeCallFrame(
     const facebook::hermes::debugger::CallFrameInfo &callFrameInfo,
     const facebook::hermes::debugger::LexicalInfo &lexicalInfo,
     facebook::hermes::inspector::chrome::RemoteObjectsTable &objTable,
-    HermesRuntime &runtime,
+    jsi::Runtime &runtime,
     const facebook::hermes::debugger::ProgramState &state);
 
 std::vector<CallFrame> makeCallFrames(
     const facebook::hermes::debugger::ProgramState &state,
     facebook::hermes::inspector::chrome::RemoteObjectsTable &objTable,
-    HermesRuntime &runtime);
+    jsi::Runtime &runtime);
 
 } // namespace debugger
 
diff --git a/ReactCommon/hermes/inspector/chrome/cli/main.cpp b/ReactCommon/hermes/inspector/chrome/cli/main.cpp
index 2e35953fb44..18ed974dd4f 100644
--- a/ReactCommon/hermes/inspector/chrome/cli/main.cpp
+++ b/ReactCommon/hermes/inspector/chrome/cli/main.cpp
@@ -214,8 +214,8 @@ static void runDebuggerLoop(
 static void runScript(const std::string &scriptSource, const std::string &url) {
   std::shared_ptr<fbhermes::HermesRuntime> runtime(
       fbhermes::makeHermesRuntime());
-  auto adapter =
-      std::make_unique<fbhermes::inspector::SharedRuntimeAdapter>(runtime);
+  auto adapter = std::make_unique<fbhermes::inspector::SharedRuntimeAdapter>(
+      runtime, runtime->getDebugger());
   fbhermes::inspector::chrome::Connection conn(
       std::move(adapter), "hermes-chrome-debug-server");
   std::thread debuggerLoop(runDebuggerLoop, std::ref(conn), scriptSource);
diff --git a/ReactCommon/hermes/inspector/chrome/tests/ConnectionDemuxTests.cpp b/ReactCommon/hermes/inspector/chrome/tests/ConnectionDemuxTests.cpp
index df404162e18..52173027ea6 100644
--- a/ReactCommon/hermes/inspector/chrome/tests/ConnectionDemuxTests.cpp
+++ b/ReactCommon/hermes/inspector/chrome/tests/ConnectionDemuxTests.cpp
@@ -98,9 +98,11 @@ TEST(ConnectionDemuxTests, TestEnableDisable) {
   ConnectionDemux demux{*inspector};
 
   int id1 = demux.enableDebugging(
-      std::make_unique<SharedRuntimeAdapter>(runtime1), "page1");
+      std::make_unique<SharedRuntimeAdapter>(runtime1, runtime1->getDebugger()),
+      "page1");
   int id2 = demux.enableDebugging(
-      std::make_unique<SharedRuntimeAdapter>(runtime2), "page2");
+      std::make_unique<SharedRuntimeAdapter>(runtime2, runtime2->getDebugger()),
+      "page2");
 
   expectPages(*inspector, {{id1, "page1"}, {id2, "page2"}});
 
diff --git a/ReactCommon/hermes/inspector/chrome/tests/SyncConnection.cpp b/ReactCommon/hermes/inspector/chrome/tests/SyncConnection.cpp
index 7e10eb7c65f..d30b044d216 100644
--- a/ReactCommon/hermes/inspector/chrome/tests/SyncConnection.cpp
+++ b/ReactCommon/hermes/inspector/chrome/tests/SyncConnection.cpp
@@ -54,7 +54,9 @@ class SyncConnection::RemoteConnnection : public IRemoteConnection {
 
 SyncConnection::SyncConnection(std::shared_ptr<HermesRuntime> runtime)
     : connection_(
-          std::make_unique<SharedRuntimeAdapter>(std::move(runtime)),
+          std::make_unique<SharedRuntimeAdapter>(
+              runtime,
+              runtime->getDebugger()),
           "testConn") {
   connection_.connect(std::make_unique<RemoteConnnection>(*this));
 }
diff --git a/ReactCommon/hermes/inspector/tests/InspectorTests.cpp b/ReactCommon/hermes/inspector/tests/InspectorTests.cpp
index b43d5e176af..680625844bf 100644
--- a/ReactCommon/hermes/inspector/tests/InspectorTests.cpp
+++ b/ReactCommon/hermes/inspector/tests/InspectorTests.cpp
@@ -93,7 +93,9 @@ struct HermesDebugContext {
       folly::Future<Unit> &&finished)
       : runtime(makeHermesRuntime()),
         inspector(
-            std::make_shared<SharedRuntimeAdapter>(runtime),
+            std::make_shared<SharedRuntimeAdapter>(
+                runtime,
+                runtime->getDebugger()),
             observer,
             false),
         stopFlag(false),