# Kiokuko documentation

Choose a guide by what you need to do:

- [Getting started](getting-started.md) — install, configure Codex/OpenCode/Claude/Hermes, restart clients, and use the Web UI.
- [Concepts](concepts.md) — RAG, memory lifecycle, Project/Ecosystem/Global scopes, and Akinator.
- [Semantic retrieval](semantic-retrieval.md) — embedding runtime setup, operation, offline mode, and fallback.
- [Security and trust](security-and-trust.md) — secret rejection, memory boundaries, External Skills, and public errors.
- [CLI contract](cli-contract.md) — stable command and response details.

Implementation references: [architecture](architecture.md), [database](database.md),
[execution ledger](execution-ledger.md), [client compatibility](client-compatibility.md),
and [retrieval evaluation](retrieval-evaluation.md).

The Japanese user guides are available from the [日本語目次](README.ja.md).