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Open-source memory for coding agents, synced over SSH
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Overview
Deja-vu is a zero-dependency binary that creates a memory layer for coding agents, allowing users to search through extensive conversation histories generated by Claude Code, Codex, and opencode. It features a rapid search capability and a recall tool that enables agents to reference past solutions efficiently.
Summary from github.com.
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Community reactions
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Hacker News · github.com
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Based on 5 sampled comments from this thread. Analyzed 2026-07-16.
- Praise: The local storage approach is a game changer — it gives users full control over their memory, making it easy to inspect and edit.
- Praise: Deja's ability to index past agent sessions in seconds has commenters buzzing about efficiency in retrieving previously solved problems.
- Praise: Using a dictionary for memory retrieval is smart; it keeps things deterministic and focused on the exact details needed, unlike the chaos of semantic search.
- Concern: Concerns are raised about blindly injecting memories across devices — that could easily introduce errors and compromise separation.
- Concern: Some users worry that filtering out signal from noise in memory systems is a significant challenge that hasn't been adequately addressed.