aws-solutions-constructs.core
Core CDK Construct for patterns library
Decision gist · record as of 2026-08-14
Yes, if you are using AWS CDK and want to adopt secure, well-architected defaults for your infrastructure patterns. The low install friction and active maintenance make it straightforward to integrate. However, be aware that the package does not follow Semantic Versioning and may introduce breaking changes in any release—plan for potential code updates when upgrading. If your project requires strict API stability, evaluate the risk of non-backward compatible changes before committing to this library.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.9 or later and aws-cdk-lib to be installed; intended for use within AWS CDK projects.
- Low install friction with a pure Python wheel.
- Actively maintained with recent releases; however, the package explicitly warns that classes are under active development and subject to non-backward compatible changes outside of Semantic Versioning, so upgrades may require source code updates.
License · maintenance · safety
Apache-2.0 (permissive) — Licensed under Apache-2.0 (permissive), allowing commercial use, modification, and distribution with minimal restrictions.
last release 2026-07-01 (44 days) · last repo commit 2026-08-14 · 1,355 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 128,404 downloads/mo, #11,710 on PyPI
Alternatives
Verify before relying
pip install aws-solutions-constructs-core
from aws_solutions_constructs import core
from aws_cdk import Stack
# Use core to access default properties and building blocks
stack = Stack()
# Constructs will apply core's secure defaults automatically- Whether the core library's default properties (e.g., S3 encryption, versioning, block public access) are appropriate for your specific security and compliance requirements.
- The current state and timeline of the aws-constructs-factories effort mentioned in the description, which may affect future API stability.
What it is and what it does
aws-solutions-constructs-core is the foundational module of the AWS Solutions Constructs Library, providing core classes and default properties that enforce secure, well-architected patterns across AWS CDK constructs. It sets sensible defaults for AWS resources—such as enabling S3 encryption, versioning, and public access blocking—that can be overridden by user-provided properties. The library emits warnings when defaults are overridden, helping developers maintain awareness of security-relevant changes.
The package is designed for teams building infrastructure-as-code with AWS CDK who want to adopt pre-configured, secure patterns without manually specifying every property. It depends on aws-cdk-lib, constructs, jsii, and related libraries. The project is actively maintained but explicitly not bound by Semantic Versioning, meaning non-backward compatible changes can occur in any release, so upgrades may require code adjustments.
Use it for
- Building AWS infrastructure patterns with secure defaults (encryption, versioning, access controls) already applied to S3, CloudFront, and other resources.
- Enforcing organizational security policies by centralizing default configurations for CDK constructs across multiple projects.
- Overriding core defaults for specific resources while receiving warnings about deviations from secure baselines.
- Developing reusable CDK construct libraries that inherit well-architected defaults from the core module.
- Reducing boilerplate in infrastructure-as-code by relying on pre-configured, audited resource properties.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are using AWS CDK and want to adopt secure, well-architected defaults for your infrastructure patterns.
The low install friction and active maintenance make it straightforward to integrate. However, be aware that the package does not follow Semantic Versioning and may introduce breaking changes in any release—plan for potential code updates when upgrading. If your project requires strict API stability, evaluate the risk of non-backward compatible changes before committing to this library.
Install
aws-solutions-constructs-core on PyPI
Before you install
Low install friction with a pure Python wheel. Actively maintained with recent releases; however, the package explicitly warns that classes are under active development and subject to non-backward compatible changes outside of Semantic Versioning, so upgrades may require source code updates.
Requires Python 3.9 or later and aws-cdk-lib to be installed; intended for use within AWS CDK projects.
License in practice
Licensed under Apache-2.0 (permissive), allowing commercial use, modification, and distribution with minimal restrictions.
Quickstart
pip install aws-solutions-constructs-core
from aws_solutions_constructs import core
from aws_cdk import Stack
# Use core to access default properties and building blocks
stack = Stack()
# Constructs will apply core's secure defaults automaticallyVerify before relying
- Whether the core library's default properties (e.g., S3 encryption, versioning, block public access) are appropriate for your specific security and compliance requirements.
- The current state and timeline of the aws-constructs-factories effort mentioned in the description, which may affect future API stability.
Package facts
| License | Apache-2.0 permissive |
| Python support | Supports the current Python release ~=3.9 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 6 packagesaws-cdk-libaws-cdk.cloud-assembly-schemaconstructsjsiipublicationtypeguard |
| Maintenance | Actively maintained 44 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 128,404 / month, #11,710 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Intended Audience :: DevelopersLicense :: OSI ApprovedOperating System :: OS IndependentProgramming Language :: JavaScriptProgramming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.9Typing :: Typed |
Evidence: aws_solutions_constructs_core-2.103.0-py3-none-any.whl
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See also aws-cdk.core · constructs · aws-cdk.aws-imagebuilder · aws-cdk.aws-codebuild · aws-cdk.aws-s3 · aws-cdk.aws-codestar-alpha · aws-cdk.aws-iot-alpha · aws-cdk.aws-elasticloadbalancing · aws-cdk.aws-ecr · aws-cdk.aws-cloudfront