Assess technical knowledge at scale. An AI agent conducts structured oral skills checks, evaluates answers, and delivers reports to your training team automatically.
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Everything you need to design, test, and deploy your voice agent, visually.
Design oral assessment flows tailored to each role or certification using Burst nodes.
Configure the LLM to assess response accuracy, depth, and terminology against a marking rubric.
Route to easier or harder questions based on performance using IfElse nodes.
Push a per-candidate report with scores and feedback to your LMS or HR system via webhook.
Use the assessment to determine if a candidate is ready for a formal certification exam.
Describe the competencies to assess and the AI builds the full structured evaluation.
Spin it up. Call it. Refine until it’s right.
Describe the voice agent you want, like 'Build a pitch practice bot', and the AI creates the full conversation flow instantly.

Drag, drop, and connect nodes to reshape the conversation flow exactly how you want it.

Describe what you want to change in plain language and watch the agent update in real time.

Talk to your agent right inside the builder - no deployment needed.

When the agent says something off, click on that message in the conversation panel to correct it.

When your agent is ready, deploy it with a single click. No extra tools or setup required.

Generate a share link and send it to anyone. They can test your agent directly on voiceblox.ai, no app install needed.

Trades and vocational apprenticeship assessments
Customer service skills verification calls
Healthcare clinical knowledge checks
Financial services regulatory knowledge assessments
Sales skills and product knowledge quizzes
Open source and self-hostable. Read the documentation to get started in minutes.