Get the desktop app

Download Mireth

The agentic development environment: parallel AI agents building in real terminals, on your machine.

Windows

Mireth 0.3.3 · Windows 10/11 · 64-bit · .exe installer

Signed installer. If SmartScreen appears while the new certificate builds reputation, click “More info”, then “Run anyway”.

macOS

Mireth 0.3.3 · macOS 10.15+ · Universal (Intel & Apple Silicon) · .dmg

Download for macOS

Signed and notarized by Apple. Opens like any Mac app.

Or grab it from the terminal

curl -LO https://mireth.ai/downloads/mireth-setup.exe

curl -LO https://mireth.ai/downloads/mireth-universal.dmg

See what's new in 0.3.3.

Companion app

MirethVoice

Voice dictation for your agents. Local whisper transcription runs free on-device; Groq cloud transcription is available on the Pro plan.

Windows

MirethVoice 0.1.2 · Windows 10/11 · 64-bit · .exe installer

Download MirethVoice

Signed installer. If SmartScreen appears while the new certificate builds reputation, click “More info”, then “Run anyway”.

macOS

macOS 10.15+ · Intel (runs on Apple Silicon via Rosetta) · .dmg

Download for macOS

Signed and notarized by Apple. Opens like any Mac app.

curl -LO https://mireth.ai/downloads/mirethvoice-setup.exe

curl -LO https://mireth.ai/downloads/mirethvoice-x64.dmg

Command line

Mireth Harness

A terminal coding agent. Launch it in any terminal, point it at a model, and it reads, writes and runs code for you with an approval gate on anything risky.

Mac, Linux and WSL2

curl -fsSL https://mireth.ai/mireth-harness.sh | bash

Windows (PowerShell)

iex (irm https://mireth.ai/mireth-harness.ps1)

Needs Node.js 20.3 or newer. Zero dependencies otherwise: no compiler, no native modules. Re-run the same command any time to update, or type /update inside the CLI.