Dev builds free Claude CCDV-F exam simulator with Claude Code: 53 MCP scenario questions
PennyLawrence946 · reddit · 2026-09-11
A developer released CertArena, a free, no-login interactive exam simulator for Anthropic's Claude Certified Developer Foundations (CCDV-F) certification.
- 53 scenario questions covering MCP server lifecycle and JSON-RPC error handling, prompt caching breakpoints and cost optimization, tool-calling schemas and timeout budgeting, multi-turn state and vision reasoning
- Simulates the full Pearson VUE timed interface, plus a cross-vendor matrix comparing CCDV-F against AWS, Azure, and Meta certifications
- Built entirely with Claude Code as a terminal pair programmer: zero-dependency vanilla JS/CSS architecture loading under 50ms, questions vetted against official docs and MCP specs, custom Web Audio timer sounds
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