AI Certifications Hub 2026

Blog & Exam Updates

Insights, deep dives, and syllabus updates on the Anthropic Claude Certification program.

Guide

How to Clear the CCAR-F Exam: Sizing Scenario Blocks

The CCAR-F (Architect Foundations) exam features 4 randomly selected enterprise scenario blocks with 15 questions each. Here is the exact time management technique to avoid running out of time on long-form scenario questions.

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Technical

Understanding Prompt Caching Mechanics: 5-Minute TTL & Prefix Thresholds

A detailed breakdown of how Anthropic's ephemeral prompt caching saves 90% on input costs, why 1024/2048 token thresholds matter, and how rolling TTL extensions work in production.

Read Domain 1 Notes →
MCP

Model Context Protocol (MCP): The Future of AI Connectors

Why MCP is replacing fragmented tool integrations. Exploring the Host-Client-Server model, stdio vs SSE transports, and building secure MCP servers.

Read MCP Notes →