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What you can do with Fauxnix

fauxnix is a TypeScript tool that translates Linux-style bash commands into PowerShell so AI agents can run them natively on Windows, without a VM or WSL.

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20000419/fauxnix on GitHub

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What do you want to do?

4 use cases

  • Give Claude Code bash-style commands on Windows

    Connect Claude Code to Fauxnix so its bash commands run natively on Windows with GNU-style output.

    View prompt
    Using the fauxnix MCP server from the 20000419/fauxnix repo, run `ls -la <target-dir> | head -5` through the bash tool. Expect GNU-style `ls -l` columns and no PowerShell table output, then confirm `fauxnix doctor` reports a successful MCP round trip.

  • Run Codex bash commands on Windows through Fauxnix

    Add Fauxnix as an MCP server in Codex so bash-style steps run on a Windows machine.

    View prompt
    In the 20000419/fauxnix repo context, call the fauxnix `bash` MCP tool with `find . -name '*.ts' | wc -l` in <project-dir>. Expect a single number as output with bash-style exit code 0, then confirm `fauxnix doctor` passes.

  • Run a multi-step bash plan in one MCP call

    Use bash_batch to compile and run a known sequence of commands with one result per step.

    View prompt
    Using the fauxnix `bash_batch` tool from the 20000419/fauxnix repo, send a two-step plan that writes a file named <file-name> and then counts its bytes with `wc -c`. Expect one structured result per step in one response, and verify the byte count matches the content written.

  • Preview how a bash command translates before running it

    Use the translate command to check the PowerShell output for a risky bash command first.

    View prompt
    Using the fauxnix CLI from the 20000419/fauxnix repo, run `fauxnix translate "find . -name '*.log' -mtime +7 -delete"` in <project-dir>. Expect the generated PowerShell to be printed without executing the delete, and verify the file filter matches only the log files you intend to remove.

How to use Fauxnix

  1. Check you have what it needs: A Windows machine with PowerShell 5.1 or later (built in); Node.js 22.20.0 or later (Node 18 and 20 are unsupported in v2); npm to install the fauxnix-cli package.
  2. Open 20000419/fauxnix on GitHub and read the README and license.
  3. npm install -g fauxnix-cli
  4. fauxnix install --claude
  5. fauxnix doctor
  6. claude mcp add fauxnix -- fauxnix mcp (only if you prefer to add the server by hand)

These steps come from our top use case, Give Claude Code bash-style commands on Windows, which also has a copy-paste agent prompt.

Fauxnix alternatives · Best AI repos for Software and DevOps

About this repo

  • Who it is forDevelopers on Windows who use AI coding agents and want bash-style commands to work without installing Git Bash or WSL.
  • Why it is hot
  • LanguageTypeScript
  • Sourcegithub.com/20000419/fauxnix · Back to Hot repos

Requirements

  • A Windows machine with PowerShell 5.1 or later (built in)
  • Node.js 22.20.0 or later (Node 18 and 20 are unsupported in v2)
  • npm to install the fauxnix-cli package
  • An agent harness such as Claude Code, Codex, OpenCode, Kimi Code, Qwen Code, or any MCP client
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Questions about Fauxnix

What is Fauxnix?

fauxnix is a TypeScript tool that translates Linux-style bash commands into PowerShell so AI agents can run them natively on Windows, without a VM or WSL. It is an open-source project on GitHub: https://github.com/20000419/fauxnix.

Who is Fauxnix for?

Developers on Windows who use AI coding agents and want bash-style commands to work without installing Git Bash or WSL.

What can I do with Fauxnix?

4 use cases so far, for example: Give Claude Code bash-style commands on Windows; Run Codex bash commands on Windows through Fauxnix; Run a multi-step bash plan in one MCP call. Each has steps and a copy-paste agent prompt.

What do I need to run Fauxnix?

A Windows machine with PowerShell 5.1 or later (built in); Node.js 22.20.0 or later (Node 18 and 20 are unsupported in v2); npm to install the fauxnix-cli package; An agent harness such as Claude Code, Codex, OpenCode, Kimi Code, Qwen Code, or any MCP client.

What are alternatives to Fauxnix?

Other hot AI repos in Software and DevOps: Harness2, iFixAi, Orca, Diagram Design, AI Memory.

Is Fauxnix safe to run?

Deduped does not own, audit or vouch for it. Read the README and license, run it on your own systems first and review every command before you run it.