One private memory, shared by the AI tools you authorize. Evidence-backed, exportable as Markdown, served over MCP.
2 files for Codex, OpenCode and Claude Code: cairn AGENTS.md, cairn CLAUDE.md — 974 tokens loaded in every session.
AGENTS.md A 591 tok CLAUDE.md A 383 tok These files are johnmontejano/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.