diff --git a/.github/workflows/platform.mirror-mar-file.yml b/.github/workflows/platform.mirror-mar-file.yml
new file mode 100644
index 000000000..bcb85d541
--- /dev/null
+++ b/.github/workflows/platform.mirror-mar-file.yml
@@ -0,0 +1,143 @@
+# Workflow for mirroring the MAR file to check Bicep modules against.
+name: ".Platform: Mirror MAR File"
+
+on:
+  # Runs everyday at 4 am
+  schedule:
+    - cron: "0 4 * * *" # Daily Update at 4 am
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch: {}
+
+env:
+  pipelinePrincipalGitUserName: "AVMPipelinePrincipal"
+  pipelinePrincipalGitUserEmail: "AVM@noreply.github.com"
+  branch_name: "update-mar-file"
+  pr_title: "Update mirrored MAR file (automated)"
+  pr_body: "This is an automated ``pull_request`` containing updates to the mirrored MAR file stored at ``docs/static/module-indexes/BicepMARModules.json``.\nPlease review the ``files changed`` tab to review changes."
+
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  id-token: write
+  contents: write
+  pull-requests: write
+
+# Default to bash
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  update_mar_file:
+    name: Update MAR file
+    if: github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master' || github.event_name == 'workflow_dispatch'
+    runs-on: ubuntu-latest
+    environment: platform
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
+
+      # create a token
+      - uses: actions/create-github-app-token@v3
+        name: Create App Token for MAR Repository
+        id: mcr-app-token
+        with:
+          owner: ${{ vars.MAR_REPO_OWNER}}
+          repositories: ${{ vars.MAR_REPO_REPOSITORY }}
+          app-id: ${{ vars.MAR_REPO_ACCESS_APPID }}
+          private-key: ${{ secrets.MAR_REPO_ACCESS_APP_PRIVATEKEY }}
+
+      - uses: actions/create-github-app-token@v3
+        name: Create App Token for AVM Repository (used for PR creation)
+        id: avm-app-token
+        with:
+          app-id: ${{ secrets.APP_ID }}
+          private-key: ${{ secrets.APP_PRIVATE_KEY }}
+
+      # ensure the module is in the MAR file before publishing
+      - name: Confirm module in MAR
+        shell: pwsh
+        run: |
+          . './utilities/tools/platform/Get-ModuleNamesFromMAR.ps1'
+          # get the list of module names in the MAR file as string array
+          $marModuleList = Get-ModuleNamesFromMAR -GitHubToken ${{ steps.mcr-app-token.outputs.token }} -Owner ${{ vars.MAR_REPO_OWNER}} -Repo ${{ vars.MAR_REPO_REPOSITORY }}
+
+          # set the content as JSON of the local MAR file to the list of module names retrieved from the MAR file in the repository
+          $localMARFilePath = Join-Path $env:GITHUB_WORKSPACE 'docs\static\module-indexes\BicepMARModules.json'
+          Set-LocalMARFileContent -LocalMARFilePath $localMARFilePath -FileContent $marModuleList
+
+      - name: Configure local git
+        run: |
+          git config --global user.name '${{ env.pipelinePrincipalGitUserName }}'
+          git config --global user.email '${{ env.pipelinePrincipalGitUserEmail }}'
+
+      - name: Format branch name
+        shell: pwsh
+        run: |
+          $rawBranch = '${{ env.branch_name }}'
+          $formattedBranch = "{0}_{1}" -f $rawBranch, (Get-Date).ToString('yyyy-MM-dd-HH-mm-ss')
+          Write-Verbose "Adjusting branch name [$rawBranch] to [$formattedBranch]" -Verbose
+          ('{0}={1}' -f 'branch_name', $formattedBranch) | Out-File -FilePath $env:GITHUB_ENV -Encoding 'utf8' # Overwrite env variable
+
+      - name: Create and checkout branch
+        run: |
+          BRANCH_URL="repos/${{ github.repository }}/branches"
+          JQ_FILTER=".[] | select(.name == \"${{ env.branch_name }}\").name"
+          CHECK_BRANCH_ORIGIN=$(gh api $BRANCH_URL | jq -r "$JQ_FILTER")
+          if [ -z "$CHECK_BRANCH_ORIGIN" ]
+          then
+            echo "Checkout local branch (create new, no origin)..."
+            git checkout -b ${{ env.branch_name }}
+          else
+            echo "Checkout local branch (create new, track from origin)..."
+            git checkout -b ${{ env.branch_name }} --track origin/${{ env.branch_name }}
+
+          git merge origin/main
+          fi
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Check for changes
+        id: git_status
+        shell: pwsh
+        run: |
+          $diff = git diff --name-only -- 'docs/static/module-indexes/BicepMARModules.json'
+          if ($diff.Count -gt 0) {
+            Write-Verbose 'Detected updates to mirrored MAR file.' -Verbose
+            'changes=true' >> $env:GITHUB_OUTPUT
+          }
+
+      - name: Add files, commit and push
+        if: steps.git_status.outputs.changes == 'true'
+        shell: pwsh
+        run: |
+          Write-Verbose "Pushing changes to origin..." -Verbose
+          git add (Join-Path $env:GITHUB_WORKSPACE 'docs' 'static' 'module-indexes' 'BicepMARModules.json')
+          git commit -m '${{ env.pr_title }}'
+          git push origin ${{ env.branch_name }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Create pull request
+        if: steps.git_status.outputs.changes == 'true'
+        run: |
+          HEAD_LABEL="${{ github.repository_owner }}:${{ env.branch_name }}"
+          BASE_LABEL="${{ github.repository_owner }}:$(echo '${{ github.ref }}' | sed 's:refs/heads/::')"
+          PULL_REQUEST_URL="repos/${{ github.repository }}/pulls"
+          JQ_FILTER=".[] | select(.head.label == \"$HEAD_LABEL\") | select(.base.label == \"$BASE_LABEL\") | .url"
+          CHECK_PULL_REQUEST_URL=$(gh api $PULL_REQUEST_URL | jq -r "$JQ_FILTER")
+          if [ -z "$CHECK_PULL_REQUEST_URL" ]
+          then
+            CHECK_PULL_REQUEST_URL=$(gh pr create \
+            --title "${{ env.pr_title }}" \
+            --body "${{ env.pr_body }}" \
+            --base "${{ github.ref }}" \
+            --head "${{ env.branch_name }}")
+            echo "Created new PR: $CHECK_PULL_REQUEST_URL"
+          else
+            echo "Existing PR found: $CHECK_PULL_REQUEST_URL"
+          fi
+        env:
+          GITHUB_TOKEN: ${{ steps.avm-app-token.outputs.token }}
diff --git a/docs/static/module-indexes/BicepMARModules.json b/docs/static/module-indexes/BicepMARModules.json
new file mode 100644
index 000000000..8ef13953b
--- /dev/null
+++ b/docs/static/module-indexes/BicepMARModules.json
@@ -0,0 +1,337 @@
+[
+  "avm/ptn/aca-lza/hosting-environment",
+  "avm/ptn/ai-ml/ai-foundry",
+  "avm/ptn/ai-ml/landing-zone",
+  "avm/ptn/ai-platform/baseline",
+  "avm/ptn/alz/ama",
+  "avm/ptn/alz/empty",
+  "avm/ptn/app-service-lza/hosting-environment",
+  "avm/ptn/app/container-job-toolkit",
+  "avm/ptn/app/cosmos-db-account-container-app",
+  "avm/ptn/app/iaas-vm-cosmosdb-tier4",
+  "avm/ptn/app/mongodb-cluster-container-app",
+  "avm/ptn/app/paas-ase-cosmosdb-tier4",
+  "avm/ptn/authorization/pim-role-assignment",
+  "avm/ptn/authorization/policy-assignment",
+  "avm/ptn/authorization/policy-exemption",
+  "avm/ptn/authorization/resource-role-assignment",
+  "avm/ptn/authorization/role-assignment",
+  "avm/ptn/authorization/role-definition",
+  "avm/ptn/avd-lza/insights",
+  "avm/ptn/avd-lza/management-plane",
+  "avm/ptn/avd-lza/networking",
+  "avm/ptn/avd-lza/session-hosts",
+  "avm/ptn/azd/acr-container-app",
+  "avm/ptn/azd/aks",
+  "avm/ptn/azd/aks-automatic-cluster",
+  "avm/ptn/azd/apim-api",
+  "avm/ptn/azd/container-app-upsert",
+  "avm/ptn/azd/container-apps-stack",
+  "avm/ptn/azd/insights-dashboard",
+  "avm/ptn/azd/ml-ai-environment",
+  "avm/ptn/azd/ml-hub-dependencies",
+  "avm/ptn/azd/ml-project",
+  "avm/ptn/azd/monitoring",
+  "avm/ptn/data/private-analytical-workspace",
+  "avm/ptn/deployment-script/create-kv-ssh-key-pair",
+  "avm/ptn/deployment-script/import-image-to-acr",
+  "avm/ptn/deployment-script/private",
+  "avm/ptn/dev-center/dev-box",
+  "avm/ptn/dev-ops/cicd-agents-and-runners",
+  "avm/ptn/finops-toolkit/finops-hub",
+  "avm/ptn/lz/sub-vending",
+  "avm/ptn/lza-shared/data-services",
+  "avm/ptn/maintenance/azure-update-manager",
+  "avm/ptn/mgmt-groups/subscription-placement",
+  "avm/ptn/monitoring/amba",
+  "avm/ptn/monitoring/amba-alz",
+  "avm/ptn/network/hub-networking",
+  "avm/ptn/network/private-link-private-dns-zones",
+  "avm/ptn/network/virtual-wan",
+  "avm/ptn/network/vwan-connected-vnets",
+  "avm/ptn/openai/cognitive-search",
+  "avm/ptn/openai/e2e-baseline",
+  "avm/ptn/policy-insights/remediation",
+  "avm/ptn/sa/build-your-own-copilot",
+  "avm/ptn/sa/chat-with-your-data",
+  "avm/ptn/sa/content-generation",
+  "avm/ptn/sa/content-processing",
+  "avm/ptn/sa/conversation-knowledge-mining",
+  "avm/ptn/sa/customer-chatbot",
+  "avm/ptn/sa/document-knowledge-mining",
+  "avm/ptn/sa/modernize-your-code",
+  "avm/ptn/sa/multi-agent-custom-automation-engine",
+  "avm/ptn/security/security-center",
+  "avm/ptn/security/sentinel",
+  "avm/ptn/subscription/service-health-alerts",
+  "avm/ptn/virtual-machine-images/azure-image-builder",
+  "avm/res/alerts-management/action-rule",
+  "avm/res/analysis-services/server",
+  "avm/res/api-center/service",
+  "avm/res/api-management/service",
+  "avm/res/api-management/service/api",
+  "avm/res/api-management/service/api-version-set",
+  "avm/res/api-management/service/api/diagnostics",
+  "avm/res/api-management/service/api/policy",
+  "avm/res/api-management/service/authorization-server",
+  "avm/res/api-management/service/backend",
+  "avm/res/api-management/service/cache",
+  "avm/res/api-management/service/diagnostics",
+  "avm/res/api-management/service/identity-provider",
+  "avm/res/api-management/service/logger",
+  "avm/res/api-management/service/named-value",
+  "avm/res/api-management/service/policy",
+  "avm/res/api-management/service/portalsetting",
+  "avm/res/api-management/service/private-endpoint-connection",
+  "avm/res/api-management/service/product",
+  "avm/res/api-management/service/product/api",
+  "avm/res/api-management/service/product/group",
+  "avm/res/api-management/service/subscription",
+  "avm/res/api-management/service/workspace",
+  "avm/res/app-configuration/configuration-store",
+  "avm/res/app/agent",
+  "avm/res/app/container-app",
+  "avm/res/app/job",
+  "avm/res/app/managed-environment",
+  "avm/res/app/session-pool",
+  "avm/res/authorization/policy-assignment",
+  "avm/res/authorization/policy-assignment/mg-scope",
+  "avm/res/authorization/policy-assignment/rg-scope",
+  "avm/res/authorization/policy-assignment/sub-scope",
+  "avm/res/authorization/role-assignment",
+  "avm/res/authorization/role-assignment/mg-scope",
+  "avm/res/authorization/role-assignment/rg-scope",
+  "avm/res/authorization/role-assignment/sub-scope",
+  "avm/res/automation/automation-account",
+  "avm/res/avs/private-cloud",
+  "avm/res/azure-stack-hci/cluster",
+  "avm/res/azure-stack-hci/cluster/arc-setting/extension",
+  "avm/res/azure-stack-hci/logical-network",
+  "avm/res/azure-stack-hci/marketplace-gallery-image",
+  "avm/res/azure-stack-hci/network-interface",
+  "avm/res/azure-stack-hci/virtual-hard-disk",
+  "avm/res/azure-stack-hci/virtual-machine-instance",
+  "avm/res/batch/batch-account",
+  "avm/res/bot-service/bot-service",
+  "avm/res/cache/redis",
+  "avm/res/cache/redis-enterprise",
+  "avm/res/cdn/profile",
+  "avm/res/cdn/profile/afd-endpoint/route",
+  "avm/res/cdn/profile/custom-domain",
+  "avm/res/cdn/profile/origin-group",
+  "avm/res/cdn/profile/rule-set",
+  "avm/res/cdn/profile/security-policy",
+  "avm/res/chaos/experiment",
+  "avm/res/code-signing/code-signing-account",
+  "avm/res/cognitive-services/account",
+  "avm/res/communication/communication-service",
+  "avm/res/communication/email-service",
+  "avm/res/compute/availability-set",
+  "avm/res/compute/disk",
+  "avm/res/compute/disk-encryption-set",
+  "avm/res/compute/gallery",
+  "avm/res/compute/image",
+  "avm/res/compute/proximity-placement-group",
+  "avm/res/compute/ssh-public-key",
+  "avm/res/compute/virtual-machine",
+  "avm/res/compute/virtual-machine-scale-set",
+  "avm/res/consumption/budget",
+  "avm/res/consumption/budget/mg-scope",
+  "avm/res/consumption/budget/rg-scope",
+  "avm/res/consumption/budget/sub-scope",
+  "avm/res/container-instance/container-group",
+  "avm/res/container-registry/registry",
+  "avm/res/container-registry/registry/cache-rule",
+  "avm/res/container-registry/registry/credential-set",
+  "avm/res/container-registry/registry/replication",
+  "avm/res/container-registry/registry/scope-map",
+  "avm/res/container-registry/registry/task",
+  "avm/res/container-registry/registry/token",
+  "avm/res/container-registry/registry/webhook",
+  "avm/res/container-service/managed-cluster",
+  "avm/res/dashboard/grafana",
+  "avm/res/data-factory/factory",
+  "avm/res/data-protection/backup-vault",
+  "avm/res/data-protection/resource-guard",
+  "avm/res/databricks/access-connector",
+  "avm/res/databricks/workspace",
+  "avm/res/db-for-my-sql/flexible-server",
+  "avm/res/db-for-postgre-sql/flexible-server",
+  "avm/res/desktop-virtualization/application-group",
+  "avm/res/desktop-virtualization/host-pool",
+  "avm/res/desktop-virtualization/scaling-plan",
+  "avm/res/desktop-virtualization/workspace",
+  "avm/res/dev-center/devcenter",
+  "avm/res/dev-center/network-connection",
+  "avm/res/dev-center/project",
+  "avm/res/dev-ops-infrastructure/pool",
+  "avm/res/dev-test-lab/lab",
+  "avm/res/devices/iot-hub",
+  "avm/res/digital-twins/digital-twins-instance",
+  "avm/res/document-db/database-account",
+  "avm/res/document-db/database-account/sql-database",
+  "avm/res/document-db/database-account/sql-role-assignment",
+  "avm/res/document-db/database-account/sql-role-definition",
+  "avm/res/document-db/database-account/table",
+  "avm/res/document-db/mongo-cluster",
+  "avm/res/durable-task/scheduler",
+  "avm/res/edge-order/order-item",
+  "avm/res/edge/configuration",
+  "avm/res/edge/site",
+  "avm/res/edge/site/rg-scope",
+  "avm/res/edge/site/sub-scope",
+  "avm/res/elastic-san/elastic-san",
+  "avm/res/event-grid/domain",
+  "avm/res/event-grid/namespace",
+  "avm/res/event-grid/system-topic",
+  "avm/res/event-grid/topic",
+  "avm/res/event-hub/namespace",
+  "avm/res/event-hub/namespace/eventhub",
+  "avm/res/fabric/capacity",
+  "avm/res/health-bot/health-bot",
+  "avm/res/healthcare-apis/workspace",
+  "avm/res/hybrid-compute/gateway",
+  "avm/res/hybrid-compute/license",
+  "avm/res/hybrid-compute/machine",
+  "avm/res/hybrid-compute/private-link-scope",
+  "avm/res/hybrid-compute/setting",
+  "avm/res/hybrid-container-service/provisioned-cluster-instance",
+  "avm/res/insights/action-group",
+  "avm/res/insights/activity-log-alert",
+  "avm/res/insights/autoscale-setting",
+  "avm/res/insights/component",
+  "avm/res/insights/data-collection-endpoint",
+  "avm/res/insights/data-collection-rule",
+  "avm/res/insights/diagnostic-setting",
+  "avm/res/insights/metric-alert",
+  "avm/res/insights/private-link-scope",
+  "avm/res/insights/scheduled-query-rule",
+  "avm/res/insights/webtest",
+  "avm/res/iot-operations/instance",
+  "avm/res/key-vault/managed-hsm",
+  "avm/res/key-vault/vault",
+  "avm/res/key-vault/vault/access-policy",
+  "avm/res/key-vault/vault/key",
+  "avm/res/key-vault/vault/secret",
+  "avm/res/kubernetes-configuration/extension",
+  "avm/res/kubernetes-configuration/flux-configuration",
+  "avm/res/kubernetes-runtime/bpg-peer",
+  "avm/res/kubernetes-runtime/load-balancer",
+  "avm/res/kubernetes-runtime/service",
+  "avm/res/kubernetes/connected-cluster",
+  "avm/res/kusto/cluster",
+  "avm/res/load-test-service/load-test",
+  "avm/res/logic/integration-account",
+  "avm/res/logic/workflow",
+  "avm/res/machine-learning-services/registry",
+  "avm/res/machine-learning-services/workspace",
+  "avm/res/maintenance/configuration-assignment",
+  "avm/res/maintenance/maintenance-configuration",
+  "avm/res/managed-identity/user-assigned-identity",
+  "avm/res/managed-services/registration-definition",
+  "avm/res/management/management-group",
+  "avm/res/management/service-group",
+  "avm/res/maps/account",
+  "avm/res/net-app/net-app-account",
+  "avm/res/network/application-gateway",
+  "avm/res/network/application-gateway-web-application-firewall-policy",
+  "avm/res/network/application-security-group",
+  "avm/res/network/azure-firewall",
+  "avm/res/network/bastion-host",
+  "avm/res/network/connection",
+  "avm/res/network/ddos-protection-plan",
+  "avm/res/network/dns-forwarding-ruleset",
+  "avm/res/network/dns-resolver",
+  "avm/res/network/dns-zone",
+  "avm/res/network/express-route-circuit",
+  "avm/res/network/express-route-gateway",
+  "avm/res/network/express-route-port",
+  "avm/res/network/firewall-policy",
+  "avm/res/network/front-door",
+  "avm/res/network/front-door-web-application-firewall-policy",
+  "avm/res/network/ip-group",
+  "avm/res/network/load-balancer",
+  "avm/res/network/local-network-gateway",
+  "avm/res/network/nat-gateway",
+  "avm/res/network/network-interface",
+  "avm/res/network/network-manager",
+  "avm/res/network/network-security-group",
+  "avm/res/network/network-security-perimeter",
+  "avm/res/network/network-watcher",
+  "avm/res/network/p2s-vpn-gateway",
+  "avm/res/network/private-dns-zone",
+  "avm/res/network/private-dns-zone/a",
+  "avm/res/network/private-dns-zone/aaaa",
+  "avm/res/network/private-dns-zone/cname",
+  "avm/res/network/private-dns-zone/mx",
+  "avm/res/network/private-dns-zone/ptr",
+  "avm/res/network/private-dns-zone/soa",
+  "avm/res/network/private-dns-zone/srv",
+  "avm/res/network/private-dns-zone/txt",
+  "avm/res/network/private-dns-zone/virtual-network-link",
+  "avm/res/network/private-endpoint",
+  "avm/res/network/private-link-service",
+  "avm/res/network/public-ip-address",
+  "avm/res/network/public-ip-prefix",
+  "avm/res/network/route-table",
+  "avm/res/network/service-endpoint-policy",
+  "avm/res/network/trafficmanagerprofile",
+  "avm/res/network/virtual-hub",
+  "avm/res/network/virtual-hub/route-map",
+  "avm/res/network/virtual-network",
+  "avm/res/network/virtual-network-gateway",
+  "avm/res/network/virtual-network/subnet",
+  "avm/res/network/virtual-wan",
+  "avm/res/network/vpn-gateway",
+  "avm/res/network/vpn-server-configuration",
+  "avm/res/network/vpn-site",
+  "avm/res/operational-insights/cluster",
+  "avm/res/operational-insights/workspace",
+  "avm/res/operations-management/solution",
+  "avm/res/portal/dashboard",
+  "avm/res/power-bi-dedicated/capacity",
+  "avm/res/purview/account",
+  "avm/res/recovery-services/vault",
+  "avm/res/relay/namespace",
+  "avm/res/resource-graph/query",
+  "avm/res/resources/deployment-script",
+  "avm/res/resources/resource-group",
+  "avm/res/scom/managed-instance",
+  "avm/res/search/search-service",
+  "avm/res/security-insights/data-connector",
+  "avm/res/security-insights/onboarding-state",
+  "avm/res/security-insights/setting",
+  "avm/res/service-bus/namespace",
+  "avm/res/service-bus/namespace/queue",
+  "avm/res/service-bus/namespace/topic",
+  "avm/res/service-fabric/cluster",
+  "avm/res/service-networking/traffic-controller",
+  "avm/res/signal-r-service/signal-r",
+  "avm/res/signal-r-service/web-pub-sub",
+  "avm/res/sql-virtual-machine/sql-virtual-machine",
+  "avm/res/sql/instance-pool",
+  "avm/res/sql/managed-instance",
+  "avm/res/sql/server",
+  "avm/res/sql/server/database",
+  "avm/res/storage/storage-account",
+  "avm/res/storage/storage-account/blob-service/container",
+  "avm/res/storage/storage-account/blob-service/container/immutability-policy",
+  "avm/res/storage/storage-account/file-service/share",
+  "avm/res/storage/storage-account/local-user",
+  "avm/res/storage/storage-account/management-policy",
+  "avm/res/storage/storage-account/queue-service/queue",
+  "avm/res/storage/storage-account/table-service/table",
+  "avm/res/stream-analytics/streaming-job",
+  "avm/res/synapse/private-link-hub",
+  "avm/res/synapse/workspace",
+  "avm/res/virtual-machine-images/image-template",
+  "avm/res/web/connection",
+  "avm/res/web/hosting-environment",
+  "avm/res/web/serverfarm",
+  "avm/res/web/site",
+  "avm/res/web/site/config",
+  "avm/res/web/site/slot",
+  "avm/res/web/static-site",
+  "avm/utl/general/get-environment",
+  "avm/utl/types/avm-common-types"
+]
diff --git a/utilities/tools/platform/Get-ModuleNamesFromMAR.ps1 b/utilities/tools/platform/Get-ModuleNamesFromMAR.ps1
new file mode 100644
index 000000000..a3745d279
--- /dev/null
+++ b/utilities/tools/platform/Get-ModuleNamesFromMAR.ps1
@@ -0,0 +1,86 @@
+<#
+.SYNOPSIS
+Check if a module in a given path does exist in the MAR file. Returns $true or $false.
+
+.DESCRIPTION
+Check if a module in a given path does exist in the MAR file. Only then, it can be published to the MCR.
+
+.PARAMETER GitHubToken
+Mandatory. A GitHub token with read access to the MAR repository (microsoft/mcr).
+
+.PARAMETER Owner
+Mandatory. The Organisation, where the repository is located. Default is "Microsoft".
+
+.PARAMETER Repo
+Mandatory. The repository name. Default is "mcr".
+
+.EXAMPLE
+Get-ModuleNamesFromMAR -GitHubToken $env:MAR_REPO_ACCESS_PAT -Owner 'Microsoft' -Repo 'mcr' -Verbose
+
+Returns the list of module names in the MAR file as an array of strings.
+
+#>
+function Get-ModuleNamesFromMAR {
+
+  [CmdletBinding()]
+  [OutputType([string[]])]
+  param (
+    [Parameter(Mandatory, HelpMessage = 'Provide a GitHub token (PAT for testing or GitHub App token for production) with read access to the MAR repository (microsoft/mcr).')]
+    [string] $GitHubToken,
+
+    [Parameter(Mandatory, HelpMessage = 'Provide the Organisation, where the repository is located. Default is "Microsoft".')]
+    [string] $Owner,
+
+    [Parameter(Mandatory, HelpMessage = 'Provide the repository name. Default is "mcr".')]
+    [string] $Repo
+  )
+
+  ##################################
+  ##   Confirm module tag known   ##
+  ##################################
+  $marFileUrl = "https://raw.githubusercontent.com/$Owner/$Repo/refs/heads/main/teams/bicep/bicep.yml"
+  $headers = @{
+    Authorization = "Bearer $GitHubToken"
+    Accept        = 'application/vnd.github.v3.raw'
+    'User-Agent'  = 'AVM-Publish-Pipeline'
+  }
+
+  $marFileContent = $null
+
+  try {
+    $marFileContent = (Invoke-WebRequest -Uri $marFileUrl -Headers $headers -ErrorAction Stop).Content
+  }
+  catch {
+    throw "Failed to fetch MAR file from [$marFileUrl]. Error: $($_.Exception.Message)"
+  }
+
+  $marFileModuleNames = [System.Collections.Generic.List[string]]::new()
+  try {
+    foreach ($match in [regex]::Matches($marFileContent, '(?m)^\s*-\s*name:\s*(?<name>[^\r\n]+)')) {
+      $moduleName = $match.Groups['name'].Value.Trim() -replace '^public/bicep/', ''
+      $null = $marFileModuleNames.Add($moduleName)
+    }
+  }
+  catch {
+    throw "Failed to parse module names from MAR file. Error: $($_.Exception.Message)"
+  }
+
+  return $marFileModuleNames.ToArray()
+}
+
+function Set-LocalMARFileContent {
+  [CmdletBinding(SupportsShouldProcess)]
+  param (
+    [Parameter(Mandatory, HelpMessage = 'Provide the path to the local MAR file copy.')]
+    [string] $LocalMARFilePath,
+
+    [Parameter(Mandatory, HelpMessage = 'Provide the new content for the local MAR file.')]
+    [string[]] $FileContent
+  )
+
+  $jsonContent = $FileContent | ConvertTo-Json
+  if ($PSCmdlet.ShouldProcess($LocalMARFilePath, 'Update local MAR file content')) {
+    $null = New-Item -Path $LocalMARFilePath -Value ($jsonContent | Out-String) -Force
+    Write-Verbose "File [$LocalMARFilePath] updated" -Verbose
+  }
+}