diff --git a/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogScreen.cpp b/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogScreen.cpp
index b145363460..bc667db4b4 100644
--- a/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogScreen.cpp
+++ b/Code/Tools/ProjectManager/Source/GemCatalog/GemCatalogScreen.cpp
@@ -222,6 +222,20 @@ namespace O3DE::ProjectManager
                 m_gemModel->AddGem(gemInfo);
             }
 
+            AZ::Outcome<QVector<GemInfo>, AZStd::string> allRepoGemInfosResult = PythonBindingsInterface::Get()->GetAllGemRepoGemsInfos();
+            if (allRepoGemInfosResult.IsSuccess())
+            {
+                const QVector<GemInfo> allRepoGemInfos = allRepoGemInfosResult.GetValue();
+                for (const GemInfo& gemInfo : allRepoGemInfos)
+                {
+                    m_gemModel->AddGem(gemInfo);
+                }
+            }
+            else
+            {
+                QMessageBox::critical(nullptr, tr("Operation failed"), QString("Cannot retrieve gems from repos.<br><br>Error:<br>%1").arg(allRepoGemInfosResult.GetError().c_str()));
+            }
+
             m_gemModel->UpdateGemDependencies();
             m_notificationsEnabled = false;
 
@@ -248,14 +262,14 @@ namespace O3DE::ProjectManager
             }
             else
             {
-                QMessageBox::critical(nullptr, tr("Operation failed"), QString("Cannot retrieve enabled gems for project %1.\n\nError:\n%2").arg(projectPath, enabledGemNamesResult.GetError().c_str()));
+                QMessageBox::critical(nullptr, tr("Operation failed"), QString("Cannot retrieve enabled gems for project %1.<br><br>Error:<br>%2").arg(projectPath, enabledGemNamesResult.GetError().c_str()));
             }
 
             m_notificationsEnabled = true;
         }
         else
         {
-            QMessageBox::critical(nullptr, tr("Operation failed"), QString("Cannot retrieve gems for %1.\n\nError:\n%2").arg(projectPath, allGemInfosResult.GetError().c_str()));
+            QMessageBox::critical(nullptr, tr("Operation failed"), QString("Cannot retrieve gems for %1.<br><br>Error:<br>%2").arg(projectPath, allGemInfosResult.GetError().c_str()));
         }
     }
 
diff --git a/Code/Tools/ProjectManager/Source/PythonBindings.cpp b/Code/Tools/ProjectManager/Source/PythonBindings.cpp
index 6a67c60ddf..740393fec0 100644
--- a/Code/Tools/ProjectManager/Source/PythonBindings.cpp
+++ b/Code/Tools/ProjectManager/Source/PythonBindings.cpp
@@ -1201,4 +1201,31 @@ namespace O3DE::ProjectManager
     {
         m_requestCancelDownload = true;
     }
+
+    AZ::Outcome<QVector<GemInfo>, AZStd::string> PythonBindings::GetAllGemRepoGemsInfos()
+    {
+        QVector<GemInfo> gemInfos;
+        AZ::Outcome<void, AZStd::string> result = ExecuteWithLockErrorHandling(
+            [&]
+            {
+                auto gemPaths = m_repo.attr("get_gem_json_paths_from_all_cached_repos")();
+
+                if (pybind11::isinstance<pybind11::set>(gemPaths))
+                {
+                    for (auto path : gemPaths)
+                    {
+                        GemInfo gemInfo = GemInfoFromPath(path, pybind11::none());
+                        gemInfo.m_downloadStatus = GemInfo::DownloadStatus::NotDownloaded;
+                        gemInfos.push_back(gemInfo);
+                    }
+                }
+            });
+
+        if (!result.IsSuccess())
+        {
+            return AZ::Failure(result.GetError());
+        }
+
+        return AZ::Success(AZStd::move(gemInfos));
+    }
 }
diff --git a/Code/Tools/ProjectManager/Source/PythonBindings.h b/Code/Tools/ProjectManager/Source/PythonBindings.h
index 6d3642ba35..4375d56d02 100644
--- a/Code/Tools/ProjectManager/Source/PythonBindings.h
+++ b/Code/Tools/ProjectManager/Source/PythonBindings.h
@@ -66,6 +66,7 @@ namespace O3DE::ProjectManager
         AZ::Outcome<QVector<GemRepoInfo>, AZStd::string> GetAllGemRepoInfos() override;
         AZ::Outcome<void, AZStd::string> DownloadGem(const QString& gemName, std::function<void(int)> gemProgressCallback) override;
         void CancelDownload() override;
+        AZ::Outcome<QVector<GemInfo>, AZStd::string> GetAllGemRepoGemsInfos() override;
 
     private:
         AZ_DISABLE_COPY_MOVE(PythonBindings);
diff --git a/Code/Tools/ProjectManager/Source/PythonBindingsInterface.h b/Code/Tools/ProjectManager/Source/PythonBindingsInterface.h
index 0013cf3acf..1134804f1f 100644
--- a/Code/Tools/ProjectManager/Source/PythonBindingsInterface.h
+++ b/Code/Tools/ProjectManager/Source/PythonBindingsInterface.h
@@ -221,6 +221,12 @@ namespace O3DE::ProjectManager
         * Cancels the current download.
         */
         virtual void CancelDownload() = 0;
+
+        /**
+         * Gathers all gem infos for all gems registered from repos.
+         * @return A list of gem infos.
+         */
+        virtual AZ::Outcome<QVector<GemInfo>, AZStd::string> GetAllGemRepoGemsInfos() = 0;
     };
 
     using PythonBindingsInterface = AZ::Interface<IPythonBindings>;
diff --git a/scripts/o3de/o3de/manifest.py b/scripts/o3de/o3de/manifest.py
index fc778591c4..297d8e39d2 100644
--- a/scripts/o3de/o3de/manifest.py
+++ b/scripts/o3de/o3de/manifest.py
@@ -502,7 +502,10 @@ def get_gem_json_data(gem_name: str = None, gem_path: str or pathlib.Path = None
     if gem_name and not gem_path:
         gem_path = get_registered(gem_name=gem_name, project_path=project_path)
 
-    return get_json_data('gem', gem_path, validation.valid_o3de_gem_json)
+    if pathlib.Path(gem_path).is_file():
+        return get_json_data_file(gem_path, 'gem', validation.valid_o3de_gem_json)
+    else:
+        return get_json_data('gem', gem_path, validation.valid_o3de_gem_json)
 
 
 def get_template_json_data(template_name: str = None, template_path: str or pathlib.Path = None,
diff --git a/scripts/o3de/o3de/repo.py b/scripts/o3de/o3de/repo.py
index 0629277a42..9c26658a30 100644
--- a/scripts/o3de/o3de/repo.py
+++ b/scripts/o3de/o3de/repo.py
@@ -104,13 +104,13 @@ def process_add_o3de_repo(file_name: str or pathlib.Path,
     return 0
 
 
-def get_gem_json_paths_from_cached_repo(repo_uri: str) -> list:
+def get_gem_json_paths_from_cached_repo(repo_uri: str) -> set:
     url = f'{repo_uri}/repo.json'
     repo_sha256 = hashlib.sha256(url.encode())
     cache_folder = manifest.get_o3de_cache_folder()
     cache_filename = cache_folder / str(repo_sha256.hexdigest() + '.json')
 
-    gem_list = []
+    gem_set = set()
 
     file_name = pathlib.Path(cache_filename).resolve()
     if not file_name.is_file():
@@ -137,10 +137,21 @@ def get_gem_json_paths_from_cached_repo(repo_uri: str) -> list:
                 manifest_json_sha256 = hashlib.sha256(manifest_json_uri.encode())
                 cache_gem_json_filepath = cache_folder / str(manifest_json_sha256.hexdigest() + '.json')
                 if cache_gem_json_filepath.is_file():
-                    logger.warn(f'Could not find cached gem json file for {o3de_object_uri} in repo {repo_uri}')
-                    gem_list.append(cache_gem_json_filepath)
+                    gem_set.add(cache_gem_json_filepath)
+                else:
+                    logger.warn(f'Could not find cached gem json file {cache_gem_json_filepath} for {o3de_object_uri} in repo {repo_uri}')
 
-    return gem_list
+    return gem_set
+
+def get_gem_json_paths_from_all_cached_repos() -> set:
+    json_data = manifest.load_o3de_manifest()
+    gem_set = set()
+
+    for repo_uri in json_data['repos']:
+        gem_set.update(get_gem_json_paths_from_cached_repo(repo_uri)) 
+
+    return gem_set
+    
 
 def refresh_repo(repo_uri: str,
                  cache_folder: str = None,