Typed facts that outlive the session. Agents assert, recall, and retract through JSON or MCP.
Latest release v0.5.0 · 10 Sept 2026
2 files for Codex, OpenCode and Claude Code: Cairn AGENTS.md, Cairn CLAUDE.md — 557 tokens loaded in every session.
AGENTS.md A 154 tok CLAUDE.md A 403 tok These files are QuarkOS/Cairn's own configuration — they tell Codex, OpenCode and Claude Code how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.