In-depth architectural comparison of the Context Memory and Deja Vu MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Context Memory
Knowledge & Memory · Local stdio
Quality: 37/100 (Fair) | Auth: No auth required
Deja Vu
Knowledge & Memory · Local stdio
Quality: 68/100 (Great) | Auth: No auth required
Verdict Summary: Choose Context Memory if you need specialized Knowledge & Memory tools running via a local process. Choose Deja Vu if your workspace requires Knowledge & Memory integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose Context Memory when:
You need dedicated capabilities in the Knowledge & Memory domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: SQLite FTS5 full-text search with Porter stemming, Two-tier summary and deep-content retrieval, Project-scoped and global search.
Context Memory is categorized under Knowledge & Memory and uses a local stdio subprocess. In contrast, Deja Vu belongs to Knowledge & Memory using local stdio subprocess. Select Context Memory when you need capabilities focused on knowledge & memory and Deja Vu when you require tools for knowledge & memory.
Persistent, searchable context storage across Claude Code sessions using SQLite FTS5. Save sessions with AI-generated summaries, two-tier full-text search, checkpoint recovery, and a web dashboard.
Local memory layer over the session histories coding agents already write (Claude Code, Codex CLI, opencode): lexical search, recall tools, session-start auto-recall, secret redaction at index time, cross-machine sync over SSH.