diff --git a/.github/workflows/ci-dotnet-agentframework-sampleagent.yml b/.github/workflows/ci-dotnet-agentframework-sampleagent.yml
index cccdd9d0..871c8bd3 100644
--- a/.github/workflows/ci-dotnet-agentframework-sampleagent.yml
+++ b/.github/workflows/ci-dotnet-agentframework-sampleagent.yml
@@ -1,16 +1,13 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
+
 name: CI - Build .NET Agent Framework Sample Agent
 permissions:
   contents: read
 
 on:
-  push:
-    branches: [ main, master ]
-    paths:
-      - 'dotnet/agent-framework/sample-agent/**/*'
-  pull_request:
-    branches: [ main, master ]
-    paths:
-      - 'dotnet/agent-framework/sample-agent/**/*'
+  workflow_call:  # Called by orchestrator
+  workflow_dispatch:  # Manual trigger
 
 jobs:
   dotnet-agentframework-sampleagent:
diff --git a/.github/workflows/ci-dotnet-semantickernel-sampleagent.yml b/.github/workflows/ci-dotnet-semantickernel-sampleagent.yml
index 270bc088..6f83e84e 100644
--- a/.github/workflows/ci-dotnet-semantickernel-sampleagent.yml
+++ b/.github/workflows/ci-dotnet-semantickernel-sampleagent.yml
@@ -1,16 +1,13 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
+
 name: CI - Build .NET Semantic Kernel Sample Agent
 permissions:
   contents: read
 
 on:
-  push:
-    branches: [ main, master ]
-    paths:
-      - 'dotnet/semantic-kernel/sample-agent/**/*'
-  pull_request:
-    branches: [ main, master ]
-    paths:
-      - 'dotnet/semantic-kernel/sample-agent/**/*'
+  workflow_call:  # Called by orchestrator
+  workflow_dispatch:  # Manual trigger
 
 jobs:
   dotnet-semantickernel-sampleagent:
diff --git a/.github/workflows/ci-nodejs-claude-sampleagent.yml b/.github/workflows/ci-nodejs-claude-sampleagent.yml
index 40f89950..e9238050 100644
--- a/.github/workflows/ci-nodejs-claude-sampleagent.yml
+++ b/.github/workflows/ci-nodejs-claude-sampleagent.yml
@@ -4,14 +4,8 @@
 name: CI - Build Node.js Claude Sample Agent
 
 on:
-  push:
-    branches: [ main, master ]
-    paths:
-      - 'nodejs/claude/sample-agent/**/*'
-  pull_request:
-    branches: [ main, master ]
-    paths:
-      - 'nodejs/claude/sample-agent/**/*'
+  workflow_call:  # Called by orchestrator
+  workflow_dispatch:  # Manual trigger
 jobs:
   nodejs-claude-sampleagent:
     name: Node.js Claude Sample Agent
diff --git a/.github/workflows/ci-nodejs-langchain-sampleagent.yml b/.github/workflows/ci-nodejs-langchain-sampleagent.yml
index e6b8c4e4..e63a551a 100644
--- a/.github/workflows/ci-nodejs-langchain-sampleagent.yml
+++ b/.github/workflows/ci-nodejs-langchain-sampleagent.yml
@@ -4,14 +4,8 @@
 name: CI - Build Node.js LangChain Sample Agent
 
 on:
-  push:
-    branches: [ main, master ]
-    paths:
-      - 'nodejs/langchain/sample-agent/**/*'
-  pull_request:
-    branches: [ main, master ]
-    paths:
-      - 'nodejs/langchain/sample-agent/**/*'
+  workflow_call:  # Called by orchestrator
+  workflow_dispatch:  # Manual trigger
 jobs:
   nodejs-langchain-sampleagent:
     name: Node.js LangChain Sample Agent
diff --git a/.github/workflows/ci-nodejs-openai-sampleagent.yml b/.github/workflows/ci-nodejs-openai-sampleagent.yml
index 46abe469..75453023 100644
--- a/.github/workflows/ci-nodejs-openai-sampleagent.yml
+++ b/.github/workflows/ci-nodejs-openai-sampleagent.yml
@@ -4,14 +4,8 @@
 name: CI - Build Node.js OpenAI Sample Agent
 
 on:
-  push:
-    branches: [ main, master ]
-    paths:
-      - 'nodejs/openai/sample-agent/**/*'
-  pull_request:
-    branches: [ main, master ]
-    paths:
-      - 'nodejs/openai/sample-agent/**/*'
+  workflow_call:  # Called by orchestrator
+  workflow_dispatch:  # Manual trigger
 
 jobs:
   nodejs-openai-sampleagent:
diff --git a/.github/workflows/ci-nodejs-vercelsdk-sampleagent.yml b/.github/workflows/ci-nodejs-vercelsdk-sampleagent.yml
index bc14b4ba..fae77c30 100644
--- a/.github/workflows/ci-nodejs-vercelsdk-sampleagent.yml
+++ b/.github/workflows/ci-nodejs-vercelsdk-sampleagent.yml
@@ -4,14 +4,8 @@
 name: CI - Build Node.js Vercel SDK Sample Agent
 
 on:
-  push:
-    branches: [ main, master ]
-    paths:
-      - 'nodejs/vercel-sdk/sample-agent/**/*'
-  pull_request:
-    branches: [ main, master ]
-    paths:
-      - 'nodejs/vercel-sdk/sample-agent/**/*'
+  workflow_call:  # Called by orchestrator
+  workflow_dispatch:  # Manual trigger
 
 jobs:
   nodejs-vercelsdk-sampleagent:
diff --git a/.github/workflows/ci-orchestrator.yml b/.github/workflows/ci-orchestrator.yml
new file mode 100644
index 00000000..2cd7edb5
--- /dev/null
+++ b/.github/workflows/ci-orchestrator.yml
@@ -0,0 +1,158 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
+
+name: CI Orchestrator
+
+on:
+  push:
+    branches: [main, master]
+  pull_request:
+    branches: [main, master]
+
+permissions:
+  contents: read
+
+jobs:
+  # Detect which folders have changes
+  detect-changes:
+    name: Detect Changes
+    runs-on: ubuntu-latest
+    outputs:
+      dotnet-agentframework: ${{ steps.changes.outputs.dotnet-agentframework }}
+      dotnet-semantickernel: ${{ steps.changes.outputs.dotnet-semantickernel }}
+      nodejs-claude: ${{ steps.changes.outputs.nodejs-claude }}
+      nodejs-langchain: ${{ steps.changes.outputs.nodejs-langchain }}
+      nodejs-openai: ${{ steps.changes.outputs.nodejs-openai }}
+      nodejs-vercelsdk: ${{ steps.changes.outputs.nodejs-vercelsdk }}
+      python-agentframework: ${{ steps.changes.outputs.python-agentframework }}
+      python-googleadk: ${{ steps.changes.outputs.python-googleadk }}
+      python-openai: ${{ steps.changes.outputs.python-openai }}
+      python-claude: ${{ steps.changes.outputs.python-claude }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Check for changes
+        uses: dorny/paths-filter@v3
+        id: changes
+        with:
+          filters: |
+            dotnet-agentframework:
+              - 'dotnet/agent-framework/**'
+            dotnet-semantickernel:
+              - 'dotnet/semantic-kernel/**'
+            nodejs-claude:
+              - 'nodejs/claude/**'
+            nodejs-langchain:
+              - 'nodejs/langchain/**'
+            nodejs-openai:
+              - 'nodejs/openai/**'
+            nodejs-vercelsdk:
+              - 'nodejs/vercel-sdk/**'
+            python-agentframework:
+              - 'python/agent-framework/**'
+            python-googleadk:
+              - 'python/google-adk/**'
+            python-openai:
+              - 'python/openai/**'
+            python-claude:
+              - 'python/claude/**'
+
+  # .NET Jobs - Call existing workflows
+  dotnet-agentframework:
+    name: .NET Agent Framework
+    needs: detect-changes
+    if: needs.detect-changes.outputs.dotnet-agentframework == 'true'
+    uses: ./.github/workflows/ci-dotnet-agentframework-sampleagent.yml
+
+  dotnet-semantickernel:
+    name: .NET Semantic Kernel
+    needs: detect-changes
+    if: needs.detect-changes.outputs.dotnet-semantickernel == 'true'
+    uses: ./.github/workflows/ci-dotnet-semantickernel-sampleagent.yml
+
+  # Node.js Jobs - Call existing workflows
+  nodejs-claude:
+    name: Node.js Claude
+    needs: detect-changes
+    if: needs.detect-changes.outputs.nodejs-claude == 'true'
+    uses: ./.github/workflows/ci-nodejs-claude-sampleagent.yml
+
+  nodejs-langchain:
+    name: Node.js LangChain
+    needs: detect-changes
+    if: needs.detect-changes.outputs.nodejs-langchain == 'true'
+    uses: ./.github/workflows/ci-nodejs-langchain-sampleagent.yml
+
+  nodejs-openai:
+    name: Node.js OpenAI
+    needs: detect-changes
+    if: needs.detect-changes.outputs.nodejs-openai == 'true'
+    uses: ./.github/workflows/ci-nodejs-openai-sampleagent.yml
+
+  nodejs-vercelsdk:
+    name: Node.js Vercel SDK
+    needs: detect-changes
+    if: needs.detect-changes.outputs.nodejs-vercelsdk == 'true'
+    uses: ./.github/workflows/ci-nodejs-vercelsdk-sampleagent.yml
+
+  # Python Jobs - Call existing workflows
+  python-agentframework:
+    name: Python Agent Framework
+    needs: detect-changes
+    if: needs.detect-changes.outputs.python-agentframework == 'true'
+    uses: ./.github/workflows/ci-python-agentframework-sampleagent.yml
+
+  python-googleadk:
+    name: Python Google ADK
+    needs: detect-changes
+    if: needs.detect-changes.outputs.python-googleadk == 'true'
+    uses: ./.github/workflows/ci-python-googleadk-sampleagent.yml
+
+  python-openai:
+    name: Python OpenAI
+    needs: detect-changes
+    if: needs.detect-changes.outputs.python-openai == 'true'
+    uses: ./.github/workflows/ci-python-openai-sampleagent.yml
+
+  python-claude:
+    name: Python Claude
+    needs: detect-changes
+    if: needs.detect-changes.outputs.python-claude == 'true'
+    uses: ./.github/workflows/python-claude-sample.yml
+
+  # Final status check - ALWAYS runs and reports success
+  # This is the ONLY check you need to mark as "Required" in branch protection
+  ci-status:
+    name: CI Status
+    runs-on: ubuntu-latest
+    needs:
+      - detect-changes
+      - dotnet-agentframework
+      - dotnet-semantickernel
+      - nodejs-claude
+      - nodejs-langchain
+      - nodejs-openai
+      - nodejs-vercelsdk
+      - python-agentframework
+      - python-googleadk
+      - python-openai
+      - python-claude
+    if: always()
+    steps:
+      - name: Check CI Status
+        run: |
+          echo "Checking CI job results..."
+          
+          # Get all job results (including detect-changes; skipped jobs are fine, failed jobs are not)
+          results="${{ needs.detect-changes.result }} ${{ needs.dotnet-agentframework.result }} ${{ needs.dotnet-semantickernel.result }} ${{ needs.nodejs-claude.result }} ${{ needs.nodejs-langchain.result }} ${{ needs.nodejs-openai.result }} ${{ needs.nodejs-vercelsdk.result }} ${{ needs.python-agentframework.result }} ${{ needs.python-googleadk.result }} ${{ needs.python-openai.result }} ${{ needs.python-claude.result }}"
+          
+          echo "Job results: $results"
+          
+          # Check if any job failed or was cancelled
+          if echo "$results" | grep -qE "failure|cancelled"; then
+            echo "❌ One or more CI jobs failed or were cancelled"
+            exit 1
+          fi
+          
+          echo "✅ All CI jobs passed (or were skipped because no relevant changes)"
diff --git a/.github/workflows/ci-python-agentframework-sampleagent.yml b/.github/workflows/ci-python-agentframework-sampleagent.yml
index b83e4ad7..462932ec 100644
--- a/.github/workflows/ci-python-agentframework-sampleagent.yml
+++ b/.github/workflows/ci-python-agentframework-sampleagent.yml
@@ -1,18 +1,13 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
+
 name: CI - Build Python Agent Framework Sample Agent
 permissions:
   contents: read
 
 on:
-  push:
-    branches: [ main, master ]
-    paths:
-      - 'python/agent-framework/sample-agent/**/*'
-      - '.github/workflows/ci-python-agentframework-sampleagent.yml'
-  pull_request:
-    branches: [ main, master ]
-    paths:
-      - 'python/agent-framework/sample-agent/**/*'
-      - '.github/workflows/ci-python-agentframework-sampleagent.yml'
+  workflow_call:  # Called by orchestrator
+  workflow_dispatch:  # Manual trigger
 
 jobs:
   validate-sample:
diff --git a/.github/workflows/ci-python-googleadk-sampleagent.yml b/.github/workflows/ci-python-googleadk-sampleagent.yml
index e71cee7b..0aeb4f71 100644
--- a/.github/workflows/ci-python-googleadk-sampleagent.yml
+++ b/.github/workflows/ci-python-googleadk-sampleagent.yml
@@ -1,18 +1,13 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
+
 name: CI - Build Python Google ADK Sample Agent
 permissions:
   contents: read
 
 on:
-  push:
-    branches: [ main, master ]
-    paths:
-      - 'python/google-adk/sample-agent/**/*'
-      - '.github/workflows/ci-python-googleadk-sampleagent.yml'
-  pull_request:
-    branches: [ main, master ]
-    paths:
-      - 'python/google-adk/sample-agent/**/*'
-      - '.github/workflows/ci-python-googleadk-sampleagent.yml'
+  workflow_call:  # Called by orchestrator
+  workflow_dispatch:  # Manual trigger
 
 jobs:
   validate-sample:
diff --git a/.github/workflows/ci-python-openai-sampleagent.yml b/.github/workflows/ci-python-openai-sampleagent.yml
index 9f9be478..40f4d131 100644
--- a/.github/workflows/ci-python-openai-sampleagent.yml
+++ b/.github/workflows/ci-python-openai-sampleagent.yml
@@ -1,18 +1,13 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
+
 name: CI - Build Python OpenAI Sample Agent
 permissions:
   contents: read
 
 on:
-  push:
-    branches: [ main, master ]
-    paths:
-      - 'python/openai/sample-agent/**/*'
-      - '.github/workflows/ci-python-openai-sampleagent.yml'
-  pull_request:
-    branches: [ main, master ]
-    paths:
-      - 'python/openai/sample-agent/**/*'
-      - '.github/workflows/ci-python-openai-sampleagent.yml'
+  workflow_call:  # Called by orchestrator
+  workflow_dispatch:  # Manual trigger
 
 jobs:
   validate-sample:
diff --git a/.github/workflows/python-claude-sample.yml b/.github/workflows/python-claude-sample.yml
index 3e17eac1..42ec2105 100644
--- a/.github/workflows/python-claude-sample.yml
+++ b/.github/workflows/python-claude-sample.yml
@@ -1,20 +1,11 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
+
 name: Python Claude Sample - Build Validation
 
 on:
-  push:
-    branches:
-      - main
-      - develop
-    paths:
-      - 'python/claude/sample-agent/**'
-      - '.github/workflows/python-claude-sample.yml'
-  pull_request:
-    branches:
-      - main
-      - develop
-    paths:
-      - 'python/claude/sample-agent/**'
-      - '.github/workflows/python-claude-sample.yml'
+  workflow_call:  # Called by orchestrator
+  workflow_dispatch:  # Manual trigger
 
 permissions:
   contents: read