diff --git a/.azure-pipelines/msgraph-reference-generation.yml b/.azure-pipelines/msgraph-reference-generation.yml
new file mode 100644
index 00000000..c89aab25
--- /dev/null
+++ b/.azure-pipelines/msgraph-reference-generation.yml
@@ -0,0 +1,164 @@
+# Copyright (c) Microsoft Corporation.  All Rights Reserved.  Licensed under the MIT License.  See License in the project root for license information.
+# contains an end to end validation pipeline using C# compilation tests for staging beta metadata
+trigger:
+  branches:
+    include:
+      - master
+  paths:
+    include:
+      - schemas/*.csdl
+pr: none
+
+resources:
+  repositories:
+  - repository: typespec-msgraph
+    type: github
+    endpoint: microsoftgraph (22)
+    name: microsoftgraph/typespec-msgraph
+    ref: main
+  - repository: typespec-msgraph-reference
+    type: git
+    name: typespec-msgraph-reference
+variables:
+  BuildConfiguration: 'Release'
+  scriptsDirectory: '$(Build.SourcesDirectory)\.azure-pipelines\scripts'
+
+extends:
+  template: v1/1ES.Official.PipelineTemplate.yml@1ESPipelineTemplates
+  parameters:
+    pool:
+      name: Azure-Pipelines-1ESPT-ExDShared
+      vmImage: windows-latest
+    stages:
+    - stage: build_reference_tool
+      dependsOn: []
+      jobs:
+        - job: buildReferenceTool
+          displayName: "Build Reference Lib Artifact"
+          templateContext:
+            outputs:
+            - output: pipelineArtifact
+              targetPath: '$(Build.ArtifactStagingDirectory)'
+              artifactName: typespec-reference-tool
+          steps:
+          - task: UseDotNet@2
+            displayName: 'Use .NET 10'
+            inputs:
+              version: 10.x
+          - checkout: typespec-msgraph-reference
+            displayName: checkout typespec-msgraph-reference
+            fetchDepth: 1
+              # Install the nuget tool
+          - task: NuGetToolInstaller@1
+            displayName: 'Install Nuget dependency manager'
+            inputs:
+              versionSpec: '>=5.2.0'
+              checkLatest: true
+
+          - task: NuGetAuthenticate@1
+
+          # Restore dependencies
+          - task: DotNetCoreCLI@2
+            displayName: 'Restore dependencies'
+            inputs:
+              command: restore
+              projects: '$(Build.SourcesDirectory)\typespec-msgraph-reference\typespec-msgraph-reference.sln'
+
+          # Build the solution
+          - task: DotNetCoreCLI@2
+            displayName: 'Build solution'
+            inputs:
+              command: build
+              projects: '$(Build.SourcesDirectory)\typespec-msgraph-reference\typespec-msgraph-reference.sln'
+              arguments: '--configuration $(BuildConfiguration) --no-incremental'
+          - task: CopyFiles@2
+            inputs:
+              sourceFolder: '$(Build.SourcesDirectory)/typespec-msgraph-reference/bin/$(BuildConfiguration)/net10.0'
+              contents: '**/*'
+              targetFolder: '$(Build.ArtifactStagingDirectory)'
+            displayName: Copy Typespec Reference executable
+    - stage: generate_reference_lib
+      dependsOn: [build_reference_tool]
+      jobs:
+        - job: generateLibraryFiles
+          displayName: "Generating reference library"
+          templateContext:
+            inputs:
+            - input: pipelineArtifact
+              buildType: 'current'
+              artifactName: 'typespec-reference-tool'
+              targetPath: '$(Build.SourcesDirectory)/typespec-reference-tool'
+            outputs:
+            - output: pipelineArtifact
+              targetPath: '$(Build.ArtifactStagingDirectory)/lib'
+              artifactName: referenceLibrary
+          steps:
+            - checkout: self  # Add this to checkout msgraph-metadata repo
+              displayName: checkout msgraph-metadata
+              fetchDepth: 1
+            - pwsh: '$(Build.SourcesDirectory)/.azure-pipelines/scripts/process-all-schemas.ps1 -ExecPath $(Build.SourcesDirectory)/typespec-reference-tool/typespec-msgraph-reference.exe'
+              displayName: "Process all the valid schemas files"
+            - task: CopyFiles@2
+              inputs:
+                sourceFolder: '$(Build.SourcesDirectory)/generated-lib/'
+                contents: '**/*'
+                targetFolder: '$(Build.ArtifactStagingDirectory)/lib'
+    - stage: update_reference_lib
+      dependsOn: [generate_reference_lib]
+      jobs:
+        - job: update_reference_lib
+          displayName: "Create PR to update the typespec-msgraph reference lib"
+          templateContext:
+            inputs:
+            - input: pipelineArtifact
+              buildType: 'current'
+              artifactName: 'referenceLibrary'
+              targetPath: '$(Build.SourcesDirectory)/tmp_lib'
+          steps:
+            - checkout: typespec-msgraph
+              displayName: checkout typespec-msgraph
+              fetchDepth: 1
+              persistCredentials: true
+            - pwsh: |
+                git config --global user.email "GraphTooling@service.microsoft.com"
+                git config --global user.name "Microsoft Graph DevX Tooling"
+              displayName: 'Git: set user config'
+            # Copy files from the tmp folder to the checkout repo
+            - task: CopyFiles@2
+              inputs:
+                sourceFolder: '$(Build.SourcesDirectory)/tmp_lib'
+                contents: '**/*'
+                targetFolder: '$(Build.SourcesDirectory)/typespec-msgraph/packages/typespec-reference-library/lib'
+                overwrite: true
+              displayName: Copy OpenAPI files to local typespec-msgraph repo
+            # Push changes to Typespec msgraph repo
+            - pwsh: '$(scriptsDirectory)/git-push-reference-files.ps1'
+              displayName: Publish new generated files to msgraph-metadata repo
+              env:
+                PublishChanges: True
+              workingDirectory: '$(Build.SourcesDirectory)/typespec-msgraph'
+              enabled: true
+              
+            # Create PR
+            - task: AzureKeyVault@2
+              displayName: "Azure Key Vault: Get Secrets"
+              inputs:
+                azureSubscription: "Federated AKV Managed Identity Connection"
+                KeyVaultName: akv-prod-eastus
+                SecretsFilter: "microsoft-graph-devx-bot-appid,microsoft-graph-devx-bot-privatekey"
+
+            - pwsh: '$(scriptsDirectory)/create-pull-request.ps1'
+              displayName: 'Create Pull Request for the generated OpenAPI files for msgraph-metadata'
+              env:
+                BaseBranch: main
+                GeneratePullRequest: true
+                GhAppId: $(microsoft-graph-devx-bot-appid)
+                GhAppKey: $(microsoft-graph-devx-bot-privatekey)
+                OverrideSkipCI: false
+                RepoName: 'microsoftgraph/typespec-msgraph'
+                ScriptsDirectory: $(scriptsDirectory)
+                # Version is intentionally left empty for OpenAPI PRs as versioning is not applicable in this context.
+                Version: ''
+              workingDirectory: '$(Build.SourcesDirectory)/typespec-msgraph'
+
+
diff --git a/.azure-pipelines/scripts/Generate-Github-Token.ps1 b/.azure-pipelines/scripts/Generate-Github-Token.ps1
new file mode 100644
index 00000000..0b1c0416
--- /dev/null
+++ b/.azure-pipelines/scripts/Generate-Github-Token.ps1
@@ -0,0 +1,201 @@
+[CmdletBinding()]
+param (
+    [Parameter(Mandatory = $true)]
+    [string]
+    $AppClientId,
+    [Parameter(Mandatory = $true)]
+    [string]
+    $AppPrivateKeyContents,
+    [Parameter(Mandatory = $true)]
+    [ValidatePattern('^[a-zA-Z0-9_.-]+/[a-zA-Z0-9_.-]+$', ErrorMessage = "Repository must be in the format 'owner/repo' (e.g. 'octocat/hello-world')")]
+    [string]
+    $Repository
+)
+
+$ErrorActionPreference = "Stop"
+
+function Generate-AppToken {
+    param (
+        [string]
+        $ClientId,
+        [string]
+        $PrivateKeyContents
+    )
+
+    $header = [Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes((ConvertTo-Json -InputObject @{
+                    alg = "RS256"
+                    typ = "JWT"
+                }))).TrimEnd('=').Replace('+', '-').Replace('/', '_');
+
+    $payload = [Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes((ConvertTo-Json -InputObject @{
+                    iat = [System.DateTimeOffset]::UtcNow.AddSeconds(-10).ToUnixTimeSeconds()
+                    exp = [System.DateTimeOffset]::UtcNow.AddMinutes(1).ToUnixTimeSeconds()
+                    iss = $ClientId 
+                }))).TrimEnd('=').Replace('+', '-').Replace('/', '_');
+
+    $rsa = [System.Security.Cryptography.RSA]::Create()
+    $rsa.ImportFromPem($PrivateKeyContents)
+
+    $signature = [Convert]::ToBase64String($rsa.SignData([System.Text.Encoding]::UTF8.GetBytes("$header.$payload"), [System.Security.Cryptography.HashAlgorithmName]::SHA256, [System.Security.Cryptography.RSASignaturePadding]::Pkcs1)).TrimEnd('=').Replace('+', '-').Replace('/', '_')
+    $jwt = "$header.$payload.$signature"
+
+    return $jwt
+}
+
+function Generate-InstallationToken {
+    param (
+        [string]
+        $AppToken,
+        [string]
+        $InstallationId,
+        [string]
+        $Repository
+    )
+
+    $uri = "https://api.github.com/app/installations/$InstallationId/access_tokens"
+    $headers = @{
+        Authorization          = "Bearer $AppToken"
+        Accept                 = "application/vnd.github+json"
+        "X-GitHub-Api-Version" = "2022-11-28"
+    }
+
+    $body = @{
+        repositories = @($Repository)
+    }
+
+    $response = Invoke-RestMethod -Uri $uri -Method Post -Headers $headers -Body (ConvertTo-Json -InputObject $body -Compress -Depth 10)
+
+    return $response.token
+}
+
+
+function Get-OrganizationInstallationId {
+    param (
+        [string]
+        $AppToken,
+        [string]
+        $Organization
+    )
+
+    $uri = "https://api.github.com/orgs/$Organization/installation"
+    $headers = @{
+        Authorization          = "Bearer $AppToken"
+        Accept                 = "application/vnd.github+json"
+        "X-GitHub-Api-Version" = "2022-11-28"
+    }
+
+    try {
+        $response = Invoke-RestMethod -Uri $uri -Method Get -Headers $headers
+
+        return $response.id
+    }
+    catch [Microsoft.PowerShell.Commands.HttpResponseException] {
+        if ($_.Exception.Response.StatusCode -eq [System.Net.HttpStatusCode]::UnprocessableContent -or $_.Exception.Response.StatusCode -eq [System.Net.HttpStatusCode]::NotFound) {
+            return $null
+        }
+
+        throw
+    }
+}
+
+function Get-RepositoryInstallationId {
+    param (
+        [string]
+        $AppToken,
+        [string]
+        $Repository
+    )
+
+    $uri = "https://api.github.com/repos/$Repository/installation"
+    $headers = @{
+        Authorization          = "Bearer $AppToken"
+        Accept                 = "application/vnd.github+json"
+        "X-GitHub-Api-Version" = "2022-11-28"
+    }
+
+    try {
+        $response = Invoke-RestMethod -Uri $uri -Method Get -Headers $headers
+
+        return $response.id
+    }
+    catch [Microsoft.PowerShell.Commands.HttpResponseException] {
+        if ($_.Exception.Response.StatusCode -eq [System.Net.HttpStatusCode]::UnprocessableContent -or $_.Exception.Response.StatusCode -eq [System.Net.HttpStatusCode]::NotFound) {
+            return $null
+        }
+
+        throw
+    }
+}
+
+function Get-UserInstallationId {
+    param (
+        [string]
+        $AppToken,
+        [string]
+        $Username
+    )
+
+    $uri = "https://api.github.com/users/$Username/installation"
+    $headers = @{
+        Authorization          = "Bearer $AppToken"
+        Accept                 = "application/vnd.github+json"
+        "X-GitHub-Api-Version" = "2022-11-28"
+    }
+
+    try {
+        $response = Invoke-RestMethod -Uri $uri -Method Get -Headers $headers
+
+        return $response.id
+    }
+    catch [Microsoft.PowerShell.Commands.HttpResponseException] {
+        if ($_.Exception.Response.StatusCode -eq [System.Net.HttpStatusCode]::UnprocessableContent -or $_.Exception.Response.StatusCode -eq [System.Net.HttpStatusCode]::NotFound) {
+            return $null
+        }
+
+        throw
+    }
+}
+
+function Get-InstallationId {
+    param (
+        [string]
+        $AppToken,
+        [string]
+        $Owner,
+        [string]
+        $Repo
+    )
+
+    $orgInstallationId = Get-OrganizationInstallationId -AppToken $AppToken -Organization $Owner
+
+    if ($null -eq $orgInstallationId) {
+        $repoInstallationId = Get-RepositoryInstallationId -AppToken $AppToken -Repository "$Owner/$Repo"
+    }
+    else {
+        return $orgInstallationId
+    }
+
+    if ($null -eq $repoInstallationId) {
+        $userInstallationId = Get-UserInstallationId -AppToken $AppToken -Username $Owner
+    }
+    else {
+        return $repoInstallationId
+    }
+
+    if ($null -eq $userInstallationId) {
+        throw "Installation not found for repository '$Repo'"
+    }
+    else {
+        return $userInstallationId
+    }
+}
+
+$owner, $repo = $Repository -split '/'
+
+$AppToken = Generate-AppToken -ClientId $AppClientId -PrivateKeyContents $AppPrivateKeyContents
+
+$InstallationId = Get-InstallationId -AppToken $AppToken -Owner $owner -Repo $repo
+
+$InstallationToken = Generate-InstallationToken -AppToken $AppToken -InstallationId $InstallationId -Repository $repo
+
+Write-Output $InstallationToken
\ No newline at end of file
diff --git a/.azure-pipelines/scripts/create-pull-request.ps1 b/.azure-pipelines/scripts/create-pull-request.ps1
new file mode 100644
index 00000000..95279441
--- /dev/null
+++ b/.azure-pipelines/scripts/create-pull-request.ps1
@@ -0,0 +1,24 @@
+
+if (($env:GeneratePullRequest -eq $False)) { # Skip CI if manually running this pipeline.
+    Write-Host "Skipping pull request creation due this repository being disabled"
+    return;
+}
+
+$title = "Generated $env:Version typespec reference files"
+
+
+$body = ":bangbang:**_Important_**:bangbang: <br> Check for unexpected deletions or changes in this PR and ensure relevant CI checks are passing. <br><br> **Note:** This pull request was automatically created by Azure pipelines."
+
+# The installed application is required to have the following permissions: read/write on pull requests/
+$tokenGenerationScript = "$env:ScriptsDirectory\Generate-Github-Token.ps1"
+$env:GITHUB_TOKEN = & $tokenGenerationScript -AppClientId $env:GhAppId -AppPrivateKeyContents $env:GhAppKey -Repository $env:RepoName
+Write-Host "Fetched Github Token for PR generation and set as environment variable."
+
+# No need to specify reviewers as code owners should be added automatically.
+if (![string]::IsNullOrEmpty($env:BaseBranch)) {
+    gh pr create -t $title -b $body -B $env:BaseBranch
+} else {
+    gh pr create -t $title -b $body
+}
+
+Write-Host "Pull Request Created successfully."
\ No newline at end of file
diff --git a/.azure-pipelines/scripts/git-push-reference-files.ps1 b/.azure-pipelines/scripts/git-push-reference-files.ps1
new file mode 100644
index 00000000..1e93de74
--- /dev/null
+++ b/.azure-pipelines/scripts/git-push-reference-files.ps1
@@ -0,0 +1,58 @@
+# Based on git-push-cleanmetadata.ps1 in the code generator repo
+# Copyright (c) Microsoft Corporation.  All Rights Reserved.  Licensed under the MIT License.  See License in the 
+# project root for license information.
+
+# This script stashes any changes, checks out the latest main branch, applies the stashed changes, commits, and 
+# pushes the changes back to the remote repository.
+
+Write-Host "`n1. git status:"
+git status | Write-Host
+
+Write-Host "`n2. Stash the update reference library files.....`n3. Running: git stash"
+git stash | Write-Host
+
+Write-Host "`n4. Fetching latest main branch to ensure we are up to date..."
+git fetch origin main | Write-Host
+# checkout main to move from detached HEAD mode
+git switch main | Write-Host
+
+
+
+Write-Host "`n5. git status:"
+git status | Write-Host
+
+Write-Host "`n6. Apply stashed reference library files...`n7. Running: git stash pop"
+git stash pop | Write-Host
+
+Write-Host "`n8. git status:"
+git status | Write-Host
+
+$branch = "update-reference-library-files/$env:BUILD_BUILDID"
+Write-Host "`n9. Create branch: $branch"
+git checkout -B $branch | Write-Host
+
+
+Write-Host "`n10. Staging  reference library files.....`n11. Running: git add ."
+git add . | Write-Host
+
+Write-Host "`n12. git status:"
+git status | Write-Host
+
+Write-Host "`n13. Attempting to commit clean reference library files....."
+
+if ($env:BUILD_REASON -eq 'Manual') # Skip CI if manually running this pipeline.
+{
+    git commit -m "Update reference library files with $env:BUILD_BUILDID [skip ci]" | Write-Host
+}
+else
+{
+    git commit -m "Update reference library files with $env:BUILD_BUILDID" | Write-Host
+}
+
+Write-Host "`n14. git status:"
+git status | Write-Host
+
+Write-Host "`n15a. Pushing branch for PR creation"
+
+Write-Host "`n15b. Running: git push --set-upstream origin $branch"
+git push --set-upstream origin $branch | Write-Host
diff --git a/.azure-pipelines/scripts/process-all-schemas.ps1 b/.azure-pipelines/scripts/process-all-schemas.ps1
new file mode 100644
index 00000000..5ac11eb6
--- /dev/null
+++ b/.azure-pipelines/scripts/process-all-schemas.ps1
@@ -0,0 +1,61 @@
+# Process all CSDL files with typespec-msgraph-reference.exe
+# This script processes both beta and v1.0 CSDL files for all environments
+
+param(
+    [Parameter(Mandatory=$true)]
+    [string]$ExePath
+)
+
+$ErrorActionPreference = "Stop"
+
+# Define the environments
+$environments = @(
+    "Bleu",
+    "Delos",
+    "Fairfax",
+    "GovSG",
+    "Mooncake",
+    "Prod",
+    "USNat",
+    "USSec"
+)
+
+# Process beta files
+Write-Host "Processing beta CSDL files..." -ForegroundColor Cyan
+foreach ($env in $environments) {
+    $csdlFile = "../../schemas/beta-$env.csdl"
+    $outputDir = "../../generated-lib/$env/Beta/"
+    
+    if (Test-Path $csdlFile) {
+        Write-Host "Processing $csdlFile -> $outputDir" -ForegroundColor Green
+        & $ExePath $csdlFile $outputDir
+        
+        if ($LASTEXITCODE -ne 0) {
+            Write-Host "Error processing $csdlFile (Exit code: $LASTEXITCODE)" -ForegroundColor Red
+            exit $LASTEXITCODE
+        }
+    } else {
+        Write-Host "Warning: $csdlFile not found, skipping..." -ForegroundColor Yellow
+    }
+}
+
+# Process v1.0 files
+Write-Host "`nProcessing v1.0 CSDL files..." -ForegroundColor Cyan
+foreach ($env in $environments) {
+    $csdlFile = "../../schemas/v1.0-$env.csdl"
+    $outputDir = "../../generated-lib/$env/V1.0/"
+    
+    if (Test-Path $csdlFile) {
+        Write-Host "Processing $csdlFile -> $outputDir" -ForegroundColor Green
+        & $ExePath $csdlFile $outputDir
+        
+        if ($LASTEXITCODE -ne 0) {
+            Write-Host "Error processing $csdlFile (Exit code: $LASTEXITCODE)" -ForegroundColor Red
+            exit $LASTEXITCODE
+        }
+    } else {
+        Write-Host "Warning: $csdlFile not found, skipping..." -ForegroundColor Yellow
+    }
+}
+
+Write-Host "`nAll CSDL files processed successfully!" -ForegroundColor Green