diff --git a/samples/python/hosted-agents/agent-framework/responses/01-basic/requirements.txt b/samples/python/hosted-agents/agent-framework/responses/01-basic/requirements.txt
index a50487247..b2e16801d 100644
--- a/samples/python/hosted-agents/agent-framework/responses/01-basic/requirements.txt
+++ b/samples/python/hosted-agents/agent-framework/responses/01-basic/requirements.txt
@@ -1,2 +1,6 @@
-agent-framework>=1.2.2
-agent-framework-foundry-hosting
\ No newline at end of file
+# Use agent-framework-foundry instead of the agent-framework meta-package to
+# avoid pip resolution failures: agent-framework pins agent-framework-core==1.2.2
+# but agent-framework-orchestrations 1.0.0 requires agent-framework-core>=1.9.0.
+agent-framework-foundry
+agent-framework-foundry-hosting
+mcp>=1.24.0
diff --git a/samples/python/hosted-agents/agent-framework/responses/02-tools/requirements.txt b/samples/python/hosted-agents/agent-framework/responses/02-tools/requirements.txt
index a50487247..b2e16801d 100644
--- a/samples/python/hosted-agents/agent-framework/responses/02-tools/requirements.txt
+++ b/samples/python/hosted-agents/agent-framework/responses/02-tools/requirements.txt
@@ -1,2 +1,6 @@
-agent-framework>=1.2.2
-agent-framework-foundry-hosting
\ No newline at end of file
+# Use agent-framework-foundry instead of the agent-framework meta-package to
+# avoid pip resolution failures: agent-framework pins agent-framework-core==1.2.2
+# but agent-framework-orchestrations 1.0.0 requires agent-framework-core>=1.9.0.
+agent-framework-foundry
+agent-framework-foundry-hosting
+mcp>=1.24.0
diff --git a/samples/python/hosted-agents/agent-framework/responses/03-mcp/requirements.txt b/samples/python/hosted-agents/agent-framework/responses/03-mcp/requirements.txt
index f67947c86..ae7162cdd 100644
--- a/samples/python/hosted-agents/agent-framework/responses/03-mcp/requirements.txt
+++ b/samples/python/hosted-agents/agent-framework/responses/03-mcp/requirements.txt
@@ -1,3 +1,6 @@
-agent-framework>=1.2.2
+# Use agent-framework-foundry instead of the agent-framework meta-package to
+# avoid pip resolution failures: agent-framework pins agent-framework-core==1.2.2
+# but agent-framework-orchestrations 1.0.0 requires agent-framework-core>=1.9.0.
+agent-framework-foundry
 agent-framework-foundry-hosting
-mcp>=1.24.0,<2
\ No newline at end of file
+mcp>=1.24.0,<2
diff --git a/samples/python/hosted-agents/agent-framework/responses/04-foundry-toolbox/requirements.txt b/samples/python/hosted-agents/agent-framework/responses/04-foundry-toolbox/requirements.txt
index 1bcb3b467..9a2a88c43 100644
--- a/samples/python/hosted-agents/agent-framework/responses/04-foundry-toolbox/requirements.txt
+++ b/samples/python/hosted-agents/agent-framework/responses/04-foundry-toolbox/requirements.txt
@@ -1,7 +1,7 @@
-# `agent-framework[foundry]` is required because main.py imports
-# `from agent_framework.foundry import FoundryChatClient`. In 1.3+ the
-# foundry submodule is an optional extra; installing the bare package
-# leaves agent_framework.foundry unimportable and the container crashes
-# at startup so /readiness never returns 200 -> 424 session_not_ready.
-agent-framework[foundry]>=1.2.2
+# Use agent-framework-foundry instead of the agent-framework meta-package
+# (or agent-framework[foundry]) to avoid pip resolution failures:
+# agent-framework pins agent-framework-core==1.2.2 but
+# agent-framework-orchestrations 1.0.0 requires agent-framework-core>=1.9.0.
+agent-framework-foundry
 agent-framework-foundry-hosting
+mcp>=1.24.0
diff --git a/samples/python/hosted-agents/agent-framework/responses/05-workflows/requirements.txt b/samples/python/hosted-agents/agent-framework/responses/05-workflows/requirements.txt
index a50487247..b2e16801d 100644
--- a/samples/python/hosted-agents/agent-framework/responses/05-workflows/requirements.txt
+++ b/samples/python/hosted-agents/agent-framework/responses/05-workflows/requirements.txt
@@ -1,2 +1,6 @@
-agent-framework>=1.2.2
-agent-framework-foundry-hosting
\ No newline at end of file
+# Use agent-framework-foundry instead of the agent-framework meta-package to
+# avoid pip resolution failures: agent-framework pins agent-framework-core==1.2.2
+# but agent-framework-orchestrations 1.0.0 requires agent-framework-core>=1.9.0.
+agent-framework-foundry
+agent-framework-foundry-hosting
+mcp>=1.24.0
diff --git a/samples/python/hosted-agents/agent-framework/responses/06-files/requirements.txt b/samples/python/hosted-agents/agent-framework/responses/06-files/requirements.txt
index f7dc62f3e..b2e16801d 100644
--- a/samples/python/hosted-agents/agent-framework/responses/06-files/requirements.txt
+++ b/samples/python/hosted-agents/agent-framework/responses/06-files/requirements.txt
@@ -1,2 +1,6 @@
-agent-framework
-agent-framework-foundry-hosting
\ No newline at end of file
+# Use agent-framework-foundry instead of the agent-framework meta-package to
+# avoid pip resolution failures: agent-framework pins agent-framework-core==1.2.2
+# but agent-framework-orchestrations 1.0.0 requires agent-framework-core>=1.9.0.
+agent-framework-foundry
+agent-framework-foundry-hosting
+mcp>=1.24.0
diff --git a/samples/python/hosted-agents/agent-framework/responses/07-skills/requirements.txt b/samples/python/hosted-agents/agent-framework/responses/07-skills/requirements.txt
index 90dcfcd8b..b2e16801d 100644
--- a/samples/python/hosted-agents/agent-framework/responses/07-skills/requirements.txt
+++ b/samples/python/hosted-agents/agent-framework/responses/07-skills/requirements.txt
@@ -1,2 +1,6 @@
-agent-framework>=1.2.2
+# Use agent-framework-foundry instead of the agent-framework meta-package to
+# avoid pip resolution failures: agent-framework pins agent-framework-core==1.2.2
+# but agent-framework-orchestrations 1.0.0 requires agent-framework-core>=1.9.0.
+agent-framework-foundry
 agent-framework-foundry-hosting
+mcp>=1.24.0
diff --git a/samples/python/hosted-agents/agent-framework/responses/07-teams-activity/requirements.txt b/samples/python/hosted-agents/agent-framework/responses/07-teams-activity/requirements.txt
index 1bcb3b467..9a2a88c43 100644
--- a/samples/python/hosted-agents/agent-framework/responses/07-teams-activity/requirements.txt
+++ b/samples/python/hosted-agents/agent-framework/responses/07-teams-activity/requirements.txt
@@ -1,7 +1,7 @@
-# `agent-framework[foundry]` is required because main.py imports
-# `from agent_framework.foundry import FoundryChatClient`. In 1.3+ the
-# foundry submodule is an optional extra; installing the bare package
-# leaves agent_framework.foundry unimportable and the container crashes
-# at startup so /readiness never returns 200 -> 424 session_not_ready.
-agent-framework[foundry]>=1.2.2
+# Use agent-framework-foundry instead of the agent-framework meta-package
+# (or agent-framework[foundry]) to avoid pip resolution failures:
+# agent-framework pins agent-framework-core==1.2.2 but
+# agent-framework-orchestrations 1.0.0 requires agent-framework-core>=1.9.0.
+agent-framework-foundry
 agent-framework-foundry-hosting
+mcp>=1.24.0
diff --git a/samples/python/hosted-agents/agent-framework/responses/08-observability/requirements.txt b/samples/python/hosted-agents/agent-framework/responses/08-observability/requirements.txt
index f7dc62f3e..b2e16801d 100644
--- a/samples/python/hosted-agents/agent-framework/responses/08-observability/requirements.txt
+++ b/samples/python/hosted-agents/agent-framework/responses/08-observability/requirements.txt
@@ -1,2 +1,6 @@
-agent-framework
-agent-framework-foundry-hosting
\ No newline at end of file
+# Use agent-framework-foundry instead of the agent-framework meta-package to
+# avoid pip resolution failures: agent-framework pins agent-framework-core==1.2.2
+# but agent-framework-orchestrations 1.0.0 requires agent-framework-core>=1.9.0.
+agent-framework-foundry
+agent-framework-foundry-hosting
+mcp>=1.24.0
diff --git a/samples/python/hosted-agents/agent-framework/responses/09-declarative-customer-support/requirements.txt b/samples/python/hosted-agents/agent-framework/responses/09-declarative-customer-support/requirements.txt
index 1ed4f3c7d..3b749ee55 100644
--- a/samples/python/hosted-agents/agent-framework/responses/09-declarative-customer-support/requirements.txt
+++ b/samples/python/hosted-agents/agent-framework/responses/09-declarative-customer-support/requirements.txt
@@ -1,2 +1,7 @@
-agent-framework
+# Use agent-framework-foundry instead of the agent-framework meta-package to
+# avoid pip resolution failures: agent-framework pins agent-framework-core==1.2.2
+# but agent-framework-orchestrations 1.0.0 requires agent-framework-core>=1.9.0.
+agent-framework-foundry
+agent-framework-declarative
 agent-framework-foundry-hosting
+mcp>=1.24.0
diff --git a/samples/python/hosted-agents/agent-framework/responses/10-downstream-azure/requirements.txt b/samples/python/hosted-agents/agent-framework/responses/10-downstream-azure/requirements.txt
index ea62383e5..52ebfe679 100644
--- a/samples/python/hosted-agents/agent-framework/responses/10-downstream-azure/requirements.txt
+++ b/samples/python/hosted-agents/agent-framework/responses/10-downstream-azure/requirements.txt
@@ -1,4 +1,8 @@
-agent-framework>=1.2.2
+# Use agent-framework-foundry instead of the agent-framework meta-package to
+# avoid pip resolution failures: agent-framework pins agent-framework-core==1.2.2
+# but agent-framework-orchestrations 1.0.0 requires agent-framework-core>=1.9.0.
+agent-framework-foundry
 agent-framework-foundry-hosting
+mcp>=1.24.0
 azure-storage-blob
 azure-servicebus
diff --git a/samples/python/hosted-agents/agent-framework/responses/15-optimization-travel-approver/requirements.txt b/samples/python/hosted-agents/agent-framework/responses/15-optimization-travel-approver/requirements.txt
index 275064846..ba0869f5a 100644
--- a/samples/python/hosted-agents/agent-framework/responses/15-optimization-travel-approver/requirements.txt
+++ b/samples/python/hosted-agents/agent-framework/responses/15-optimization-travel-approver/requirements.txt
@@ -1,4 +1,8 @@
-agent-framework>=1.2.2
+# Use agent-framework-foundry instead of the agent-framework meta-package to
+# avoid pip resolution failures: agent-framework pins agent-framework-core==1.2.2
+# but agent-framework-orchestrations 1.0.0 requires agent-framework-core>=1.9.0.
+agent-framework-foundry
 agent-framework-foundry-hosting
+mcp>=1.24.0
 azure-identity>=1.15.0
 azure-ai-agentserver-optimization>=1.0.0b1
diff --git a/samples/python/hosted-agents/agent-framework/responses/16-content-safety-guardrail/requirements.txt b/samples/python/hosted-agents/agent-framework/responses/16-content-safety-guardrail/requirements.txt
index a50487247..b2e16801d 100644
--- a/samples/python/hosted-agents/agent-framework/responses/16-content-safety-guardrail/requirements.txt
+++ b/samples/python/hosted-agents/agent-framework/responses/16-content-safety-guardrail/requirements.txt
@@ -1,2 +1,6 @@
-agent-framework>=1.2.2
-agent-framework-foundry-hosting
\ No newline at end of file
+# Use agent-framework-foundry instead of the agent-framework meta-package to
+# avoid pip resolution failures: agent-framework pins agent-framework-core==1.2.2
+# but agent-framework-orchestrations 1.0.0 requires agent-framework-core>=1.9.0.
+agent-framework-foundry
+agent-framework-foundry-hosting
+mcp>=1.24.0