diff --git a/scripts/dev_setup.ps1 b/scripts/dev_setup.ps1
index 50a52b91..19876517 100644
--- a/scripts/dev_setup.ps1
+++ b/scripts/dev_setup.ps1
@@ -9,7 +9,10 @@ pip install -e ./libraries/microsoft-agents-copilotstudio-client/ --config-setti
 pip install -e ./libraries/microsoft-agents-hosting-aiohttp/ --config-settings editable_mode=compat
 pip install -e ./libraries/microsoft-agents-hosting-core/ --config-settings editable_mode=compat
 pip install -e ./libraries/microsoft-agents-hosting-teams/ --config-settings editable_mode=compat
+pip install -e ./libraries/microsoft-agents-hosting-msteams/ --config-settings editable_mode=compat
 pip install -e ./libraries/microsoft-agents-hosting-dialogs/ --config-settings editable_mode=compat
+pip install -e ./libraries/microsoft-agents-hosting-fastapi/ --config-settings editable_mode=compat
+pip install -e ./libraries/microsoft-agents-hosting-slack/ --config-settings editable_mode=compat
 pip install -e ./libraries/microsoft-agents-storage-blob/ --config-settings editable_mode=compat
 pip install -e ./libraries/microsoft-agents-storage-cosmos/ --config-settings editable_mode=compat
 
diff --git a/scripts/dev_setup.sh b/scripts/dev_setup.sh
index 3f550032..b49ce575 100644
--- a/scripts/dev_setup.sh
+++ b/scripts/dev_setup.sh
@@ -1,6 +1,17 @@
-python -m venv venv
+if command -v python >/dev/null 2>&1
+then
+    PYTHON=python
+elif command -v python3 >/dev/null 2>&1
+then
+    PYTHON=python3
+else
+    echo "Error: neither 'python' nor 'python3' was found on PATH." >&2
+    return 1 2>/dev/null || exit 1
+fi
 
-. .\venv\bin\activate
+$PYTHON -m venv venv
+
+. ./venv/bin/activate
 
 pip install -e ./libraries/microsoft-agents-activity/ --config-settings editable_mode=compat
 pip install -e ./libraries/microsoft-agents-authentication-msal/ --config-settings editable_mode=compat
@@ -9,7 +20,10 @@ pip install -e ./libraries/microsoft-agents-copilotstudio-client/ --config-setti
 pip install -e ./libraries/microsoft-agents-hosting-aiohttp/ --config-settings editable_mode=compat
 pip install -e ./libraries/microsoft-agents-hosting-core/ --config-settings editable_mode=compat
 pip install -e ./libraries/microsoft-agents-hosting-teams/ --config-settings editable_mode=compat
+pip install -e ./libraries/microsoft-agents-hosting-msteams/ --config-settings editable_mode=compat
 pip install -e ./libraries/microsoft-agents-hosting-dialogs/ --config-settings editable_mode=compat
+pip install -e ./libraries/microsoft-agents-hosting-fastapi/ --config-settings editable_mode=compat
+pip install -e ./libraries/microsoft-agents-hosting-slack/ --config-settings editable_mode=compat
 pip install -e ./libraries/microsoft-agents-storage-blob/ --config-settings editable_mode=compat
 pip install -e ./libraries/microsoft-agents-storage-cosmos/ --config-settings editable_mode=compat