Forge ahead.

Smithy doesn't just hammer out nix builds, Smithy makes your team faster with intelligent CI, reproducible builds, and fast binary distribution.

Enter the URL of a public git repo and smithy will start building it right away.

Trusted by

Advanced Nix CI made simple.

Smithy is a continuous integration and binary cache service that understands the structure of your Nix project, integrates with all your favorite git services, and builds for multiple target platforms.

Dig deep into your derivations

Smithy analyzes your Nix project and identifies everything it depends on (IFDs included!) giving you deep insight into what's working, what isn't, and why.

Always up-to-date

Smithy monitors your repositories, builds every commit, and rebuilds PRs when either the source or target change.

A trusted team

Smithy is brought to you by Obsidian Systems, a functional programming and product development consultancy, and a trusted name in Nix and Haskell since 2013.

Smithy analyzes your Nix project and identifies everything it depends on (IFDs included!) giving you deep insight into what's working, what isn't, and why.

Smithy monitors your repositories, builds every commit, and rebuilds PRs when either the source or target change.

Smithy is brought to you by Obsidian Systems, a functional programming and product development consultancy, and a trusted name in Nix and Haskell since 2013.

Realize the benefits of Nix

Smithy takes the effort out of using Nix at scale, and immediately provides the benefits of parallelized builds and lightning-fast binary caching to your entire team.

Auto-Provisioned Binary Cache
Let Smithy do the heavy lifting and easily share its build products with your team.
More platforms with fewer problems
Smithy supports multiple architectures out of the box, including Linux, macOS, x86, ARM, and more.
We Speak Git
Smithy supports multiple git providers, including GitHub, GitLab, and self-hosted Gitea, with support for more services on the way.

Try it out today

Enter the URL of a public git repository that uses nix and watch smithy build it in real-time.

Forge ahead.