# Compartment (MCP server)

> Compartment is an MCP server that adds database tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Durable agentic memory, encrypted at rest. It has 578 GitHub stars, is released under the Apache-2.0 license and runs locally with uvx compartment.

Encrypted, fully offline memory for AI agents. One vault on your own computer, read and written by Claude Code, Claude Desktop, Hermes Agent, OpenClaw, Cursor, Codex and any other MCP client. No API key, no account, no network, no telemetry.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/MaxFreedomPollard/Compartment |
| GitHub stars | 578 |
| License | Apache-2.0 |
| Language | Python |
| Transport | stdio |
| Packages | pypi: compartment |
| Remote URL | none |
| Needs API key | no |
| Official | no |
| Works with | Claude Desktop, Claude Code, Cursor, VS Code |
| Category | Databases |
| Latest release | v4.11.0 (Sep 30, 2026) |
| Last commit | Sep 30, 2026 |
| MCP registry name | io.github.MaxFreedomPollard/compartment |

## Install

### Claude Desktop (claude_desktop_config.json)

```json
{
  "mcpServers": {
    "compartment": {
      "command": "uvx",
      "args": [
        "compartment"
      ]
    }
  }
}
```

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

### Claude Code

```sh
claude mcp add --transport stdio compartment -- uvx compartment
```

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

```json
{
  "mcpServers": {
    "compartment": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "compartment"
      ]
    }
  }
}
```

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

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

```json
{
  "servers": {
    "compartment": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "compartment"
      ]
    }
  }
}
```

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

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