diff --git a/src/backend/ci/core/store/api-store/src/main/kotlin/com/tencent/devops/store/api/common/ServiceStoreResource.kt b/src/backend/ci/core/store/api-store/src/main/kotlin/com/tencent/devops/store/api/common/ServiceStoreResource.kt
index 626c2af6949..a2e3b75b675 100644
--- a/src/backend/ci/core/store/api-store/src/main/kotlin/com/tencent/devops/store/api/common/ServiceStoreResource.kt
+++ b/src/backend/ci/core/store/api-store/src/main/kotlin/com/tencent/devops/store/api/common/ServiceStoreResource.kt
@@ -109,6 +109,15 @@ interface ServiceStoreResource {
         userId: String
     ): Result<Boolean>
 
+    @Operation(summary = "判断项目是否是研发商店公共项目")
+    @GET
+    @Path("projects/{projectCode}/validate")
+    fun isPublicProject(
+        @Parameter(description = "标识", required = true)
+        @PathParam("projectCode")
+        projectCode: String
+    ): Result<Boolean>
+
     @Operation(summary = "校验流水线用户访问插件信息权限")
     @GET
     @Path("/codes/{storeCode}/pipeline/user/validate")
diff --git a/src/backend/ci/core/store/biz-store/src/main/kotlin/com/tencent/devops/store/common/resources/ServiceStoreResourceImpl.kt b/src/backend/ci/core/store/biz-store/src/main/kotlin/com/tencent/devops/store/common/resources/ServiceStoreResourceImpl.kt
index 75f6d784bf7..fd33c012301 100644
--- a/src/backend/ci/core/store/biz-store/src/main/kotlin/com/tencent/devops/store/common/resources/ServiceStoreResourceImpl.kt
+++ b/src/backend/ci/core/store/biz-store/src/main/kotlin/com/tencent/devops/store/common/resources/ServiceStoreResourceImpl.kt
@@ -82,6 +82,12 @@ class ServiceStoreResourceImpl @Autowired constructor(
         )
     }
 
+    override fun isPublicProject(projectCode: String): Result<Boolean> {
+        return Result(
+            projectCode == storeInnerPipelineConfig.innerPipelineProject
+        )
+    }
+
     override fun validatePipelineUserAtomPermission(
         storeCode: String,
         storeType: StoreTypeEnum,