Project Tessera vs Deja Vu

In-depth architectural comparison of the Project Tessera 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.

Which MCP Server Should You Choose?

Choose Project Tessera 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).
• You have access to required keys: TESSERA_VAULT_KEY.
• Primary tools included: search_documents, unified_search, view_file_full.

Explore Project Tessera Details

Choose Deja Vu 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: recall, recall_context, blame.

Explore Deja Vu Details

Feature & Specification Comparison

Specification	Project Tessera besslframework-stack Knowledge & Memory	Deja Vu vshulcz Knowledge & Memory
Summary	Local workspace memory for Claude Desktop. Indexes your documents (Markdown, CSV, session logs) into a vector store with hybrid search, cross-session memory, auto-learn, and knowledge graph visualization. Zero external dependencies — fastembed + LanceDB, no Ollama or Docker required. 15 MCP tools.	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.
Category & Scope

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "besslframework-stack-project-tessera": {
      "command": "uvx",
      "args": [
        "--from"
      ],
      "env": {
        "TESSERA_VAULT_KEY": "YOUR_TESSERA_VAULT_KEY_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "vshulcz-deja-vu": {
      "command": "npx",
      "args": [
        "-y",
        "@vshulcz/deja-vu"
      ]
    }
  }
}

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