cargo-lambda
Cargo subcommand to work with AWS Lambda
Decision gist · record as of 2026-08-14
Yes, if you are writing Rust for AWS Lambda. The tool is actively maintained, has no known vulnerabilities, and carries a permissive MIT license. The medium install friction (ziglang dependency, platform-specific wheels) is a minor trade-off for the convenience it provides. Not relevant if you are not targeting Lambda or not using Rust.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires ziglang as a runtime dependency; Python version support is unspecified in metadata.
- Medium install friction due to the ziglang runtime dependency and platform-specific wheels.
- The project is actively maintained with recent commits and a stable release cadence.
License · maintenance · safety
MIT (permissive) — MIT license permits free use, modification, and distribution with minimal restrictions—suitable for both open-source and commercial projects.
last release 2026-02-26 (169 days) · last repo commit 2026-07-13 · 919 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 101,497 downloads/mo, #12,929 on PyPI
Alternatives
Verify before relying
pip install cargo-lambda==1.9.1
Once installed, use as a Cargo subcommand:
cargo lambda build- Whether ziglang must be pre-installed or is bundled with the wheel distribution
- Minimum Python version required (not specified in metadata)
- Whether the tool works on platforms beyond the five wheel variants listed
What it is and what it does
cargo-lambda is a Cargo subcommand—a plugin for Rust's package manager—that streamlines the process of building and deploying Rust code to AWS Lambda. It abstracts away much of the boilerplate and configuration needed to package Rust applications for Lambda's runtime environment. The tool depends on ziglang, a systems programming language used here to handle cross-platform compilation and linking.
Developers use cargo-lambda when they want to write Lambda functions in Rust rather than the officially supported languages. It handles compilation, bundling, and deployment tasks that would otherwise require manual configuration of build scripts and AWS tooling. The project is actively maintained and has a modest but engaged user base.
Use it for
- Build and package Rust Lambda functions for deployment to AWS without manual build configuration
- Cross-compile Rust code for Lambda's Linux runtime from macOS or Windows development machines
- Integrate Rust Lambda development into a CI/CD pipeline using a single Cargo subcommand
- Deploy event-driven Rust microservices to AWS Lambda with minimal boilerplate
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are writing Rust for AWS Lambda.
The tool is actively maintained, has no known vulnerabilities, and carries a permissive MIT license. The medium install friction (ziglang dependency, platform-specific wheels) is a minor trade-off for the convenience it provides. Not relevant if you are not targeting Lambda or not using Rust.
Install
cargo-lambda on PyPI
Before you install
Medium install friction due to the ziglang runtime dependency and platform-specific wheels. The project is actively maintained with recent commits and a stable release cadence.
Requires ziglang as a runtime dependency; Python version support is unspecified in metadata.
License in practice
MIT license permits free use, modification, and distribution with minimal restrictions—suitable for both open-source and commercial projects.
Quickstart
pip install cargo-lambda==1.9.1
Once installed, use as a Cargo subcommand:
cargo lambda buildVerify before relying
- Whether ziglang must be pre-installed or is bundled with the wheel distribution
- Minimum Python version required (not specified in metadata)
- Whether the tool works on platforms beyond the five wheel variants listed
Package facts
| License | MIT permissive |
| Python support | Not specified |
| Install friction | Medium. Platform-specific wheel |
| Runtime dependencies | 1 packageziglang |
| Maintenance | Actively maintained 169 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 101,497 / month, #12,929 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
Evidence: cargo_lambda-1.9.1-py3-none-macosx_10_12_x86_64.whl; cargo_lambda-1.9.1-py3-none-macosx_11_0_arm64.whl; cargo_lambda-1.9.1-py3-none-manylinux_2_17_aarch64.manylinux2014_aarch64.whl; cargo_lambda-1.9.1-py3-none-manylinux_2_5_x86_64.manylinux1_x86_64.whl; cargo_lambda-1.9.1-py3-none-win_amd64.whl
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