feat!: Migrate from aws-lambda-typing to aws-lambda-powertools for Lambda types

Author: clareliguori

src/python/pyproject.toml

@@ -24,7 +24,7 @@ dependencies = [
     "anyio>=4.10.0",
     "aiobotocore>=2.23.2",
     "mcp>=1.12.3",
-    "aws-lambda-typing>=2.20.0"
+    "aws-lambda-powertools>=3.19.0"
 ]
 
 [project.urls]

src/python/src/mcp_lambda/handlers/api_gateway_proxy_event_handler.py

@@ -1,6 +1,6 @@
 from typing import Dict, Optional, TypedDict
 
-from aws_lambda_typing.events import APIGatewayProxyEventV1 as APIGatewayProxyEvent
+from aws_lambda_powertools.utilities.data_classes import APIGatewayProxyEvent
 
 from .request_handler import RequestHandler
 from .streamable_http_handler import (

src/python/src/mcp_lambda/handlers/api_gateway_proxy_event_v2_handler.py

@@ -1,6 +1,6 @@
 from typing import Dict, Optional, TypedDict
 
-from aws_lambda_typing.events import APIGatewayProxyEventV2
+from aws_lambda_powertools.utilities.data_classes import APIGatewayProxyEventV2
 
 from .request_handler import RequestHandler
 from .streamable_http_handler import (

src/python/src/mcp_lambda/handlers/lambda_function_url_event_handler.py

@@ -1,6 +1,6 @@
 from typing import Dict, Optional, TypedDict
 
-from aws_lambda_typing.events import APIGatewayProxyEventV2
+from aws_lambda_powertools.utilities.data_classes import APIGatewayProxyEventV2
 
 from .request_handler import RequestHandler
 from .streamable_http_handler import (

src/python/src/mcp_lambda/handlers/request_handler.py

@@ -1,7 +1,7 @@
 from abc import ABC, abstractmethod
 from typing import Union
 
-from aws_lambda_typing.context import Context as LambdaContext
+from aws_lambda_powertools.utilities.typing import LambdaContext
 from mcp.types import JSONRPCError, JSONRPCRequest, JSONRPCResponse
 
 

src/python/src/mcp_lambda/handlers/streamable_http_handler.py

@@ -19,7 +19,7 @@
 from abc import ABC, abstractmethod
 from typing import Any, Dict, Generic, List, Optional, TypeVar, Union
 
-from aws_lambda_typing.context import Context as LambdaContext
+from aws_lambda_powertools.utilities.typing import LambdaContext
 from mcp.types import (
     CONNECTION_CLOSED,
     INTERNAL_ERROR,

src/python/src/mcp_lambda/server_adapter/stdio_server_adapter_request_handler.py

@@ -2,7 +2,7 @@
 import os
 from typing import Union
 
-from aws_lambda_typing.context import Context as LambdaContext
+from aws_lambda_powertools.utilities.typing import LambdaContext
 from mcp.client.stdio import StdioServerParameters
 from mcp.types import (
     INTERNAL_ERROR,

src/python/tests/server_adapter/test_stdio_server_adapter_request_handler.py

@@ -5,7 +5,7 @@
 from unittest.mock import Mock, patch
 
 import pytest
-from aws_lambda_typing.context import Context as LambdaContext
+from aws_lambda_powertools.utilities.typing import LambdaContext
 from mcp.client.stdio import StdioServerParameters
 from mcp.types import INTERNAL_ERROR, JSONRPCError, JSONRPCRequest, JSONRPCResponse
 

src/python/tests/test_handlers.py

@@ -7,7 +7,7 @@
 from unittest.mock import Mock
 
 import pytest
-from aws_lambda_typing.context import Context as LambdaContext
+from aws_lambda_powertools.utilities.typing import LambdaContext
 from mcp.types import (
     INTERNAL_ERROR,
     METHOD_NOT_FOUND,