The REX agent

REAL TOOLS.
REAL LEVERAGE.

From the first question to the final diff, REX helps you move through real work with context, capable tools, and a clear view of every step.

Find your workspace
REX / REXDESIGNED FOR HUMAN INTENT
REX / example workspace Interactive demo
Review the login route and add rate limiting.
✳
A little context. Then a clear plan.

I’ll inspect the route, propose the change, and wait for your review.

✓ read src/auth.ts✓ update_plan 3 steps
↳ Proposed changeauth.ts +3
app.post('/api/login',+   rateLimit({ windowMs: 60_000,+     max: 5 }),   authenticate);
Waiting for your approval
ILLUSTRATIVE WORKSPACE / TRY THE APPROVAL BUTTONContext → plan → review → act
Not just a conversation

Tools for the
whole task.

43 built-in tools, plus connected MCP servers.

01

Your codebase, in context.

Read, search, write, and edit project files. Follow a plan, inspect changes, and use checkpoints to revisit agent edits.

read · grep · edit · codebase_search
02

A terminal that does the work.

Run approved commands, watch background processes, supply input, and stop work when you need to.

shell · check_process · send_input
03

The web, within reach.

Search the web, fetch pages, make HTTP requests, and automate an installed browser from the CLI.

web_search · http_request · browser_snapshot
04

A little continuity.

Project memory, reusable skills, saved sessions, and configurable model providers help carry your work forward.

memory_read · skill · discover_tools
Capability, with clarity

Your workflow.
Your boundaries.

Permissions are a choice you make. Switch approval modes to suit the task, then keep the plan and changes in view.

01

Plan

Explore the problem and shape the approach before making changes.

02

Manual

Review requests and make deliberate decisions as the agent works.

03

Accept edits / Auto

Reduce routine prompts within your chosen policy. Sensitive desktop actions still require approval.

Try /permission in the CLI
Choose your environment

Desktop focus.
Terminal fluency.

The desktop app gives your agent a dedicated workspace. REX CLI brings the shared core into your terminal. Choose the experience that suits the moment.

Choose your download
rex — terminal⌘
REX / CLI

Your project. Your model. Your terminal.

❯ rex

● Ready. What are we building?

❯ Review the authentication flow

↳ read src/auth.ts
↳ grep "verifyToken"
↳ update_plan

A plan first. Changes you can review.
Less friction. More forward.

Good work starts
with a clear next step.

Make your next move

Desktop app. Terminal CLI. Your choice.