I built KIOKU — an OSS memory system for Claude Code

The Problem I use Claude Code every day. It's an incredible tool — but it has one major weakness. Every new session starts from zero. The project context I explained yesterday? Gone. The design decision we debated for 30 minutes? Forgotten. The tech stack rationale? I'm explaining it again. I got tired of repeating myself, so I built a memory system. KIOKU — Memory for Claude Code https://github.com/megaphone-tokyo/kioku "KIOKU" means "memory" in Japanese. The concept: a "second brain" t...