Developer Builds Open-Source Tool to Preserve AI Coding Context Across Sessions

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A developer noticed that while Git tracked code changes, the reasoning behind those changes — failed attempts, agent warnings, and deferred tasks — was lost across disconnected AI sessions. Switching between tools like Codex, Claude Code, and ChatGPT meant each new agent started from scratch, forcing repeated re-explanation of prior decisions. To solve this, the developer built ContextVault, a local-first, open-source memory layer that captures and stores context from browser LLM chats, terminals, and coding-agent sessions. The tool includes a Chrome extension, an npm CLI, and a desktop app, all storing data locally in Markdown without requiring any account or external backend. ContextVault lets developers or agents query past decisions, problems, and tasks, and generate focused context packages to hand off seamlessly to the next AI session.

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