Attic: Open-Source Tool Lets AI Coding Assistants Retain Knowledge Across Sessions

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A developer has released Attic, an open-source knowledge persistence tool designed for AI coding assistants like Claude Code and Codex CLI. The tool addresses a recurring inefficiency where AI agents repeat the same investigative steps across separate sessions because prior discoveries are lost when a session ends. Attic works by writing findings to a file and maintaining a small index, allowing assistants to retrieve relevant knowledge without reloading entire histories into context. The project, available on GitHub, has also added browser-based saving so users can capture insights outside their coding environment. The goal is to preserve not just bug fixes but the reasoning behind them, including architectural decisions, failed approaches, and undocumented code behaviour.

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