diff --git a/DynamicTablesPkg/DynamicTablesPkg.dec b/DynamicTablesPkg/DynamicTablesPkg.dec
index 80a61dd2db..9b74c5a671 100644
--- a/DynamicTablesPkg/DynamicTablesPkg.dec
+++ b/DynamicTablesPkg/DynamicTablesPkg.dec
@@ -24,6 +24,9 @@
   ##  @libraryclass  Defines a set of APIs for Dynamic AML generation.
   AmlLib|Include/Library/AmlLib/AmlLib.h
 
+  ##  @libraryclass  Defines a set of APIs to handle dynamically created CmObj.
+  DynamicPlatRepoLib|Include/Library/DynamicPlatRepoLib.h
+
   ##  @libraryclass  Defines a set of APIs to a hardware information parser.
   HwInfoParserLib|Include/Library/HwInfoParserLib.h
 
diff --git a/DynamicTablesPkg/Include/Library/DynamicPlatRepoLib.h b/DynamicTablesPkg/Include/Library/DynamicPlatRepoLib.h
new file mode 100644
index 0000000000..bb18215b08
--- /dev/null
+++ b/DynamicTablesPkg/Include/Library/DynamicPlatRepoLib.h
@@ -0,0 +1,114 @@
+/** @file
+  Dynamic Platform Info Repository
+
+  Copyright (c) 2021, Arm Limited. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+  @par Glossary:
+    - Cm or CM   - Configuration Manager
+    - Obj or OBJ - Object
+**/
+
+#ifndef DYNAMIC_PLAT_REPO_H_
+#define DYNAMIC_PLAT_REPO_H_
+
+#include <Protocol/ConfigurationManagerProtocol.h>
+
+/** A structure describing the platform configuration
+    manager repository information
+*/
+typedef VOID *DYNAMIC_PLATFORM_REPOSITORY_INFO;
+
+/** Add an object to the dynamic platform repository.
+
+  @param [in]  This       This dynamic platform repository.
+  @param [in]  CmObjDesc  CmObj to add. The data is copied.
+  @param [out] Token      If not NULL, token allocated to this CmObj.
+
+  @retval EFI_SUCCESS           Success.
+  @retval EFI_INVALID_PARAMETER A parameter is invalid.
+  @retval EFI_OUT_OF_RESOURCES  An allocation has failed.
+**/
+EFI_STATUS
+EFIAPI
+DynPlatRepoAddObject (
+  IN        DYNAMIC_PLATFORM_REPOSITORY_INFO  *This,
+  IN  CONST CM_OBJ_DESCRIPTOR                 *CmObjDesc,
+  OUT       CM_OBJECT_TOKEN                   *Token OPTIONAL
+  );
+
+/** Finalise the dynamic repository.
+
+  Finalising means:
+   - Preventing any further objects from being added.
+   - Allowing to get objects from the dynamic repository
+     (not possible before a call to this function).
+
+  @param [in]  This       This dynamic platform repository.
+
+  @retval EFI_SUCCESS           Success.
+  @retval EFI_ALREADY_STARTED   Instance already initialised.
+  @retval EFI_INVALID_PARAMETER A parameter is invalid.
+  @retval EFI_BUFFER_TOO_SMALL  Buffer too small.
+  @retval EFI_OUT_OF_RESOURCES  An allocation has failed.
+**/
+EFI_STATUS
+EFIAPI
+DynamicPlatRepoFinalise (
+  IN  DYNAMIC_PLATFORM_REPOSITORY_INFO  *This
+  );
+
+/** Get a CmObj from the dynamic repository.
+
+  @param [in]      This        Pointer to the Dynamic Platform Repository.
+  @param [in]      CmObjectId  The Configuration Manager Object ID.
+  @param [in]      Token       An optional token identifying the object. If
+                               unused this must be CM_NULL_TOKEN.
+  @param [in, out] CmObjDesc   Pointer to the Configuration Manager Object
+                               descriptor describing the requested Object.
+
+  @retval EFI_SUCCESS           Success.
+  @retval EFI_INVALID_PARAMETER A parameter is invalid.
+  @retval EFI_NOT_FOUND         The required object information is not found.
+**/
+EFI_STATUS
+EFIAPI
+DynamicPlatRepoGetObject (
+  IN      DYNAMIC_PLATFORM_REPOSITORY_INFO  *This,
+  IN      CM_OBJECT_ID                      CmObjectId,
+  IN      CM_OBJECT_TOKEN                   Token OPTIONAL,
+  IN  OUT CM_OBJ_DESCRIPTOR                 *CmObjDesc
+  );
+
+/** Initialize the dynamic platform repository.
+
+  @param [out]  DynPlatRepo   If success, contains the initialised dynamic
+                              platform repository.
+
+  @retval EFI_SUCCESS           Success.
+  @retval EFI_INVALID_PARAMETER A parameter is invalid.
+  @retval EFI_OUT_OF_RESOURCES  An allocation has failed.
+**/
+EFI_STATUS
+EFIAPI
+DynamicPlatRepoInit (
+  OUT DYNAMIC_PLATFORM_REPOSITORY_INFO  **DynPlatRepo
+  );
+
+/** Shutdown the dynamic platform repository.
+
+  Free all the memory allocated for the dynamic platform repository.
+
+  @param [in]  DynPlatRepo    The dynamic platform repository.
+
+  @retval EFI_INVALID_PARAMETER A parameter is invalid.
+  @retval EFI_SUCCESS           Success.
+**/
+EFI_STATUS
+EFIAPI
+DynamicPlatRepoShutdown (
+  IN  DYNAMIC_PLATFORM_REPOSITORY_INFO  *DynPlatRepo
+  );
+
+#endif // DYNAMIC_PLAT_REPO_H_