aws-cdk.cloud-assembly-schema
Schema for the protocol between CDK framework and CDK CLI
Decision gist · record as of 2026-08-14
Yes, if you are building tooling that consumes AWS CDK Cloud Assemblies or need to validate manifest files programmatically. The package is actively maintained, has no known vulnerabilities, and provides essential infrastructure for non-CLI-based CDK workflows. Not needed if you only use standard CDK CLI deployment.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.10 or later.
- Active maintenance with a recent release (2 days old) and low install friction.
- Depends on jsii and publication.
License · maintenance · safety
Apache-2.0 (permissive) — Licensed under Apache-2.0 (permissive), allowing commercial and private use with minimal restrictions.
last release 2026-08-12 (2 days) · last repo commit 2026-08-14 · 12,868 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 6,674,011 downloads/mo, #1,874 on PyPI
Alternatives
Verify before relying
pip install aws-cdk-cloud-assembly-schema
import aws_cdk.cloud_assembly_schema- Whether the package provides a JSON schema file for use with external validators.
- Specific validation methods or utilities available in the package API.
- How to programmatically load and validate manifest.json files using this package.
What it is and what it does
This package provides the canonical schema definition for AWS CDK Cloud Assembly manifest files—the structured output produced by the CDK synthesis operation that instructs deployment tooling how to deploy infrastructure. It contains the TypeScript structs and generated JSON schema that define the versioned protocol between the CDK framework and consumers like the CDK CLI.
The package is part of the AWS CDK project and defines how the assembly communicates deployment instructions. Since the schema version follows semantic versioning with every schema change treated as a major version bump, consumers must verify that a manifest's schema version matches their expectations before deployment to ensure all instructions are understood.
Use it for
- Validate manifest.json files from CDK synthesis output against the canonical schema.
- Parse Cloud Assembly manifests programmatically to extract deployment instructions.
- Ensure compatibility between CDK versions and deployment tooling by checking manifest schema versions.
- Integrate CDK-generated artifacts into custom deployment pipelines.
- Develop tooling that consumes Cloud Assembly output independently of the CDK CLI.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are building tooling that consumes AWS CDK Cloud Assemblies or need to validate manifest files programmatically.
The package is actively maintained, has no known vulnerabilities, and provides essential infrastructure for non-CLI-based CDK workflows. Not needed if you only use standard CDK CLI deployment.
Install
aws-cdk-cloud-assembly-schema on PyPI
Before you install
Active maintenance with a recent release (2 days old) and low install friction. Depends on jsii and publication.
Requires Python 3.10 or later.
License in practice
Licensed under Apache-2.0 (permissive), allowing commercial and private use with minimal restrictions.
Quickstart
pip install aws-cdk-cloud-assembly-schema
import aws_cdk.cloud_assembly_schemaVerify before relying
- Whether the package provides a JSON schema file for use with external validators.
- Specific validation methods or utilities available in the package API.
- How to programmatically load and validate manifest.json files using this package.
Package facts
| License | Apache-2.0 permissive |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 2 packagesjsiipublication |
| Maintenance | Actively maintained 2 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 6,674,011 / month, #1,874 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableFramework :: AWS CDKFramework :: AWS CDK :: 2Intended Audience :: DevelopersLicense :: OSI ApprovedOperating System :: OS IndependentProgramming Language :: JavaScriptProgramming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Typing :: Typed |
Evidence: aws_cdk_cloud_assembly_schema-54.18.0-py3-none-any.whl
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See also aws-cdk.cx-api · aws-cdk.aws-cloudformation · aws-cdk.assets · aws-cdk.core · aws-cdk.aws-ssm · aws-cdk.aws-s3-deployment · aws-cdk-lib · aws-cdk.aws-imagebuilder · aws-cdk.aws-s3-assets · aws-cdk.aws-servicediscovery