Persistent memory MCP server. 28 tools, BM25+MMR+OOD retrieval, tamper-evident audit, code graph.
To add cuba-memorys to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 10 environment variables, listed below.
Install
npx -y cuba-memorys@0.24.0Environment variables
DATABASE_URLSet in your MCP configCUBA_PROJECT_FILTERSet in your MCP configCUBA_SYNC_DIRSet in your MCP configCUBA_JUDGESet in your MCP configCUBA_JUEZ_CLISet in your MCP configCUBA_JUEZ_MODELSet in your MCP configANTHROPIC_API_KEYSet in your MCP configCUBA_REM_RELATION_BATCHSet in your MCP configCUBA_RERANKER_PATHSet in your MCP configCUBA_RERANK_FIXED_SHAPESet in your MCP configInstall with your client
claude mcp add cuba-memorys --env DATABASE_URL=<YOUR_DATABASE_URL> --env CUBA_PROJECT_FILTER=<YOUR_CUBA_PROJECT_FILTER> --env CUBA_SYNC_DIR=<YOUR_CUBA_SYNC_DIR> --env CUBA_JUDGE=<YOUR_CUBA_JUDGE> --env CUBA_JUEZ_CLI=<YOUR_CUBA_JUEZ_CLI> --env CUBA_JUEZ_MODEL=<YOUR_CUBA_JUEZ_MODEL> --env ANTHROPIC_API_KEY=<YOUR_ANTHROPIC_API_KEY> --env CUBA_REM_RELATION_BATCH=<YOUR_CUBA_REM_RELATION_BATCH> --env CUBA_RERANKER_PATH=<YOUR_CUBA_RERANKER_PATH> --env CUBA_RERANK_FIXED_SHAPE=<YOUR_CUBA_RERANK_FIXED_SHAPE> -- npx -y cuba-memorys@0.24.0
Run this in a terminal to add the server to Claude Code.
What this does
cuba-memorys exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
DATABASE_URL CUBA_PROJECT_FILTER CUBA_SYNC_DIR CUBA_JUDGE CUBA_JUEZ_CLI CUBA_JUEZ_MODEL ANTHROPIC_API_KEY CUBA_REM_RELATION_BATCH CUBA_RERANKER_PATH CUBA_RERANK_FIXED_SHAPE
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install cuba-memorys?
Run the Claude Code command in the install section to add cuba-memorys to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with cuba-memorys?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to cuba-memorys as well.
Does cuba-memorys need an API key?
Yes. Before it can run, set these environment variables: DATABASE_URL, CUBA_PROJECT_FILTER, CUBA_SYNC_DIR, CUBA_JUDGE, CUBA_JUEZ_CLI, CUBA_JUEZ_MODEL, ANTHROPIC_API_KEY, CUBA_REM_RELATION_BATCH, CUBA_RERANKER_PATH, CUBA_RERANK_FIXED_SHAPE. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
Is this your MCP server?
Claim this listing to see its traffic, fix details yourself, and skip the review queue on future updates.
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