vibr8

Technical interview platform CLI — measure the journey, not the solution.

Vibr8 runs AI-assisted coding challenges and captures telemetry about how candidates work, not just what they produce.

Requirements

• Node.js >= 20
• An ANTHROPIC_API_KEY environment variable (for the Agent SDK session)

Install

npm install -g vibr8

Or run directly:

npx vibr8

Quick Start

# Authenticate with your Vibr8 account
vibr8 login

# Launch interactive mode (guided challenge selection)
vibr8

Commands

| Command | Description | |---|---| | vibr8 | Interactive mode — authenticate, pick a challenge, start a session | | vibr8 login | Authenticate via device auth flow | | vibr8 challenges | List available challenges | | vibr8 start <id> | Start a specific challenge by ID | | vibr8 submit [id] | Upload session telemetry (defaults to most recent) |

Configuration

Config is stored in ~/.vibr8/config.json. You can override the API URL:

export VIBR8_API_URL=https://your-instance.example.com