# Octopus SI OS Rebuilds the AI Agent Runtime as an Open-Source Rust Kernel — retained record

> Retained news record from news:ml-alphasignal.

Canonical: https://highsignal.app/data/records/e727ab0e5511ad96

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source: [news](https://highsignal.app/data/news) (news:ml-alphasignal)  published 2026-10-26 18:30 ingested 2026-10-27 02:55

[original source ↗](https://alphasignal.ai/news/octopus-si-os-rebuilds-the-ai-agent-runtime-as-an-open-source-rust-kernel)

## retained text



```
A Rust-based agentic operating system where agents rewrite their own harness mid-task, built atop Codex with a 45k-line kernel.
```



document fetched 2026-10-27 02:55