# Wax (MCP server)

> Wax is an MCP server that adds search and knowledge tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Shared Single-file memory layer for all your agents, sub mili-second RAG over text, photo and video on Apple… It has 803 GitHub stars, is released under the Apache-2.0 license and runs locally with npx -y waxmcp.

Chat dies. Wax does not. One local .wax file for Claude, Codex, Hermes, Cursor, and Apple Foundation Models. Searchable memory on disk. No account. No hosted vector DB.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/christopherkarani/Wax |
| GitHub stars | 803 |
| License | Apache-2.0 |
| Language | Swift |
| Transport | stdio |
| Packages | npm: waxmcp |
| Remote URL | none |
| Needs API key | no |
| Official | no |
| Works with | Claude Desktop, Claude Code, Cursor, VS Code |
| Category | AI & search |
| Latest release | waxmcp-v0.1.48 (Sep 24, 2026) |
| Last commit | Sep 26, 2026 |

## Install

### Claude Desktop (claude_desktop_config.json)

```json
{
  "mcpServers": {
    "wax": {
      "command": "npx",
      "args": [
        "-y",
        "waxmcp"
      ]
    }
  }
}
```

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

### Claude Code

```sh
claude mcp add --transport stdio wax -- npx -y waxmcp
```

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

```json
{
  "mcpServers": {
    "wax": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "waxmcp"
      ]
    }
  }
}
```

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

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

```json
{
  "servers": {
    "wax": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "waxmcp"
      ]
    }
  }
}
```

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

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