# ZenBrain Memory (MCP server)

> ZenBrain Memory is an MCP server that adds tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Seven-layer agent memory: episodic, semantic, procedural and core. It has 25 GitHub stars, is released under the Apache-2.0 license and runs locally with npx -y @zensation/mcp.

Status: early release. The tool surface is small on purpose and may still change before 1.0. The memory layers underneath it are the same ones the ZenBrain paper describes and the benchmarks measure.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/zensation-ai/zenbrain |
| GitHub stars | 25 |
| License | Apache-2.0 |
| Language | TypeScript |
| Transport | stdio |
| Packages | npm: @zensation/mcp |
| Remote URL | none |
| Needs API key | no |
| Official | yes |
| Works with | Claude Desktop, Claude Code, Cursor, VS Code |
| Category | Other |
| Latest release | v0.4.10 (Oct 1, 2026) |
| Last commit | Oct 4, 2026 |
| MCP registry name | ai.zensation/zenbrain |

## Install

### Claude Desktop (claude_desktop_config.json)

```json
{
  "mcpServers": {
    "zenbrain-memory": {
      "command": "npx",
      "args": [
        "-y",
        "@zensation/mcp"
      ],
      "env": {
        "ZENBRAIN_DB": "your-value",
        "ZENBRAIN_CONTEXTS": "your-value"
      }
    }
  }
}
```

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

### Claude Code

```sh
claude mcp add --env ZENBRAIN_DB=your-value --env ZENBRAIN_CONTEXTS=your-value --transport stdio zenbrain-memory -- npx -y @zensation/mcp
```

### Cursor (.cursor/mcp.json)

```json
{
  "mcpServers": {
    "zenbrain-memory": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@zensation/mcp"
      ],
      "env": {
        "ZENBRAIN_DB": "your-value",
        "ZENBRAIN_CONTEXTS": "your-value"
      }
    }
  }
}
```

Project file; use ~/.cursor/mcp.json to enable it in every project.

### VS Code (.vscode/mcp.json)

```json
{
  "servers": {
    "zenbrain-memory": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@zensation/mcp"
      ],
      "env": {
        "ZENBRAIN_DB": "your-value",
        "ZENBRAIN_CONTEXTS": "your-value"
      }
    }
  }
}
```

Config formats checked against the official docs on 2026-10-07.

## Environment variables

- `ZENBRAIN_DB`: Path to the SQLite file that holds the memory. A leading ~/ means your home directory; a relative path depends on where the client starts the server (some…
- `ZENBRAIN_CONTEXTS`: Comma-separated context domains for cross-context memory.

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