Exam-realistic questions
Every attempt generates 20 fresh questions across the full Foundations blueprint, timed like the real thing.
Claude Certified Developer
Timed mock exams, an explanation behind every answer, and a personal study plan built from the topics you actually miss.

Every attempt generates 20 fresh questions across the full Foundations blueprint, timed like the real thing.
Sign in with your email and your attempts, last score and running average are always waiting for you.
After each exam you get a topic breakdown, then generate focused notes for the topics that cost you points.
The official exam is 53 items in 120 minutes, scored on a 100–1,000 scale with 720 to pass. Every attempt here mirrors that blueprint: items are allocated across the eight domains and their 22 named skills in the same proportion as the real certification, and the mix includes multiple-response items.
Understanding Requirements · Systems Life Cycle · Claude API Mechanics · Software Engineering Foundations · Claude Application Design · Configuration Management
LLM Fundamentals · Technical Fundamentals · Model Selection and Tradeoffs · Cost and Token Management
Agent Architecture · Agent Construction with Claude · Agent Patterns and Frameworks
Context Engineering · Prompt Engineering · Output Handling
Tool Implementation · MCP Server Development · Agentic Customization
AI Application Security · Guardrails and Safe Deployment · Claude Hooks · Identity, Secrets, and Key Management
Claude Code Operation
Debugging and Error Handling