Curtis.

Licenses.

Everything we ship is open where it counts. This page is the canonical record of what is licensed, under what terms, and what the site itself depends on.

THE SHORT VERSION
WHAT IS FREE, WHAT IS OURS
productsCurtis AI Chat, Porter, Audit — MIT, free core
.curtspec and reference reader — MIT, zero dependencies
site content© Curtis AI 2026 — all rights reserved
fontsSIL Open Font License 1.1

Our projects.

MIT License. Permission is granted, free of charge, to any person obtaining a copy of the software and associated documentation files, to deal in the software without restriction — including the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies — subject to the copyright notice and permission notice being included in all copies or substantial portions. The software is provided “as is”, without warranty of any kind.

Copyright 2026 Curtis AI (Jordan Newell). Applies to Curtis AI Chat (chat), Porter (porter), Audit (audit), and the .curt spec and curt-format reference implementation (dot_curt, npm).

Site content.

The written copy, identity marks, and imagery on curtisai.tech are © 2026 Curtis AI — all rights reserved — unless a project's MIT grant explicitly covers them. You may quote and link freely; republishing the materials wholesale is not permitted without asking.

Third-party attributions.

This site is built with Astro (MIT) and set in two typefaces, both under the SIL Open Font License 1.1:

Fonts are self-hosted via Fontsource. The Curtis marks, favicon, and receipt artwork are original. Found an attribution that's wrong or missing? Email info@curtisai.tech and we'll fix it.