# Fauxnix (MCP server)

> Fauxnix is an MCP server that runs Linux-style commands on Windows via deterministic bash→PowerShell translation. It has 771 GitHub stars, is released under the MIT license and runs locally with npx -y fauxnix-cli. It works with Claude Desktop, Claude Code, Cursor and VS Code.

Run Linux-style commands on Windows — natively, deterministically, no VM, no WSL. fauxnix is a bash→PowerShell translation layer built for AI agents. Your agent keeps writing the bash it already knows (ls -la | grep foo, find . -name '.ts' | wc -l, kill -9 1234), and fauxnix deterministically translates each command into PowerShell, executes it natively, and hands back output that looks like GNU/Linux: ls -l columns, bash-style error messages, coreutils exit codes, UTF-8/GBK handled…

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/20000419/fauxnix |
| GitHub stars | 771 |
| License | MIT |
| Language | TypeScript |
| Transport | stdio |
| Packages | npm: fauxnix-cli |
| Remote URL | none |
| Needs API key | no |
| Official | no |
| Works with | Claude Desktop, Claude Code, Cursor, VS Code |
| Category | Developer tools |
| Latest release | v2.0.0 (Oct 5, 2026) |
| Last commit | Oct 5, 2026 |

## Install

### Claude Desktop (claude_desktop_config.json)

```json
{
  "mcpServers": {
    "fauxnix": {
      "command": "npx",
      "args": [
        "-y",
        "fauxnix-cli"
      ]
    }
  }
}
```

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

### Claude Code

```sh
claude mcp add --transport stdio fauxnix -- npx -y fauxnix-cli
```

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

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

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

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

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

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

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