# Humane Design Language > Interface design principles, a React and TypeScript reference system, interactive documentation, and a demonstration mail app. Public alpha 0.1.1. The normative language is LANGUAGE.md. Component source and Props types are authoritative for API behavior. The Markdown files below are generated from canonical repository sources during the site build. ## Start here - [Documentation map for coding agents](https://humane.mercuriusdream.com/llms/AGENT-MAP.md): Source precedence, task routing, parser contracts, package facts, and verification commands. - [Humane Design Language](https://humane.mercuriusdream.com/llms/LANGUAGE.md): Normative intent, premises, rules, signature, and conformance tests. - [Rendered documentation](https://humane.mercuriusdream.com/docs/): The language with interactive examples and component references. ## Reference system - [System specification](https://humane.mercuriusdream.com/llms/system/README.md): Tokens, layout, motion, components, and disclosed implementation limits. - [Component conventions](https://humane.mercuriusdream.com/llms/system/CONVENTIONS.md): File, naming, token, shape, motion, copy, and accessibility rules for contributors. - [Letters demonstration](https://humane.mercuriusdream.com/flagship/): A local mail app built with the reference system. Sending is simulated. ## Repository and verification - [Repository overview](https://humane.mercuriusdream.com/llms/README.md) - [Agent guidance](https://humane.mercuriusdream.com/llms/AGENTS.md) - [Test guide](https://humane.mercuriusdream.com/llms/tests/README.md) - [Release audit](https://humane.mercuriusdream.com/llms/AUDIT.md): Historical verification results and disclosed limits, not a current conformance certificate. - [Deployment guide](https://humane.mercuriusdream.com/llms/DEPLOY.md) - [References](https://humane.mercuriusdream.com/llms/REFERENCES.md) - [MIT license](https://humane.mercuriusdream.com/llms/LICENSE)