The AI coding assistant specialised for ROS development.

Contour demo screenshot

Faster development

A coding agent built for ROS work

Delivers version-consistent, context-driven outputs avoiding the shortcomings of the current AI coding assistants.

Workspace integrated

Understands your setup

Contour lives in your ROS workspace, keeping context of your full system.

Generate, debug, and execute

Python or C++, ROS 1 or 2

Writes code, patches errors, and runs tests directly in your workspace.

Advanced reasoning

Your own developer

Extremely powerful and trained specifically for ROS development.

Install now

Get started in minutes

Run Contour directly in your terminal.

macOS, Linux, WSL
curl -fsSL https://www.contouragent.com/install.sh | bash
contour login
contour run

Benchmarks

Measured on the same multi-robot task

We gave the exact same, highly complex task to three coding agents, evaluated blind, and ranked their results. Contour outperformed the rest.

AgentOutcomeNotesTime
CoPilotFailedNo working result produced.
Contour (quick)Basic outlineFunctional but contained three small issues.2:13
Claude Sonnet 4.5Good, but unstableLess structured and prone to small errors; moderate reliability.4:12
Contour (full)Best overallFully completed with no bugs. Most complete, stable, and professionally designed implementation.4:08

Access and use

Free to access, pay only for credits

Start using Contour without a waitlist or monthly fee. Track and top-up in the Credits page once logged in.

Free accessPay as you goTransparent usage
Top-up

To top-up your credits by $4, which is the current minimum, visit the credits page or use the terminal command:

contour topup 4

Ready to start

Build faster with Contour.

Sign-up, top-up, download and use.