creatureos is an open-source runtime designed for persistent Codex creatures, supporting local-first and offline-first application development. It integrates with FastAPI and uses SQLite for storage, targeting developers who need robust local persistence.
creatureos sits in PulseGate's Frameworks & SDKs category. It enables developers to build persistent, local-first applications using Codex creatures with offline support. It is built as an open-source project for developers building local-first or offline-capable apps. creatureos is open source under the Apache-2.0 license. It runs on the command line, and it can be self-hosted.
Behind creatureos is CreatureOS, and it first shipped in 2026. The project is developed in the open on GitHub with 8 commits in the last 90 days. Among its 5 catalogued features are local-first runtime, persistent storage, and codex creatures support.
Summary written by a language model from the project’s public pages.
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