grex

Hand off a bounded task. Get back a reviewed result.

  • Runs on computers you own
  • A second AI reviews every result
  • You approve before anything ships
Ask for early access
GREX · MISSIONS, REVIEWED

How it works

Four steps

  1. 01

    Write the mission

  2. 02

    AI builds it

  3. 03

    A second AI reviews it

  4. 04

    You decide

See how a mission runs →

Machines you own

Your machines do the work

Linux and Windows today. Use the AI subscriptions you already pay for.

YOUdashboard · API · MCP
CONTROL PLANEstores missions · sends work · keeps evidence · runs no AI
NIDUS 01 · Linuxbuilder · reviewer · several missions at once
NIDUS 02 · Windowsbuilder · reviewer · several missions at once
NIDUS Nbuilder · reviewer · several missions at once

Why Grex

Built around checked work

Your machines

Your data stays on your hardware.

Your models

Codex, Claude, MiniMax, Gemini or a local model.

Checked work

The builder never approves its own work.

On October 28, 2026, Grex rebuilt most of this website in one day: 14 changes landed, each independently reviewed, and 19 other attempts were rejected. Read the field reports →

Ask for early access