Tiding (formerly engram) — durable shared semantic memory + inter-agent messaging for AI agents. FastAPI + pgvector, hybrid semantic/trigram search, durable inbox with presence — single-operator by design.
4 files for Claude Code, Codex and OpenCode: startup, wrapup, tiding AGENTS.md, tiding CLAUDE.md — 1,922 tokens loaded in every session.
AGENTS.md A 1,919 tok CLAUDE.md A 3 tok These files are iXanadu/tiding's own configuration — they tell Claude Code, Codex and OpenCode 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.