Documentation

Validate your configurations, work with the Central Registry, and look up the CUE language and tooling reference.

Installing CUE

Binaries, Homebrew, Docker, and Go installs.

Getting started with the Central Registry

Your first module, dependency, and validation.

Working with the registry

Login, publishing modules, and custom domains.

Curated modules

Ready-made validation for GitHub Actions, Kubernetes, Docker Compose, GitLab CI/CD, and more. 9 tool families

Official modules

Publish the official CUE schema for your product.

Claude meet CUE

Put CUE to work with Claude and other AI agents.

CUE CLI reference

Every command of the cue tool and its help topics. 31 commands · 10 help topics · CUE v0.18.0

Experiments

Optional capabilities and where each stands. 7 active · 11 past · CUE v0.18.0

Language specification

The reference manual, lexical elements to modules. CUE v0.18.0

Standard library

Every builtin package’s functions, schemas, and constants. 33 packages · CUE v0.18.0

Modules reference

Dependency management and the module glossary.

Glossary

The vocabulary of the CUE ecosystem.

Elsewhere: the CUE project on GitHub · our blog · Slack · Discord · contact us.