Muhammad Zeeshan: writingCCAR-F study journal and posts on forward deployed engineering and AI agents.https://zeeshare.com/The agent on this site, Part 3: I built an agent with the loop the exam testshttps://zeeshare.com/blog/2026-10-11-agent-with-the-loop-the-exam-tests/https://zeeshare.com/blog/2026-10-11-agent-with-the-loop-the-exam-tests/The "Ask my agent" box on zeeshare.com is a while loop around Claude with two read-only tools, hard caps and a server check on every reply. Here is what three CCAR-F domains looked like as real design decisions.Sun, 11 Oct 2026 00:00:00 GMTFDE and agentsagentsccar-ffdeClaude certifications, Part 1: A map of the four exams, for backend engineershttps://zeeshare.com/blog/2026-10-11-claude-certifications-a-map-for-backend-engineers/https://zeeshare.com/blog/2026-10-11-claude-certifications-a-map-for-backend-engineers/Anthropic has four Claude certifications. Who each one is for, why an engineer starts with CCAR-F, what it covers, and the route I am taking to sit it.Sun, 11 Oct 2026 00:00:00 GMTFDE and agentsccar-fcertificationfdeHow I study for CCAR-F, Part 2: Half reasoning, half memoryhttps://zeeshare.com/blog/2026-10-11-half-reasoning-half-memory/https://zeeshare.com/blog/2026-10-11-half-reasoning-half-memory/CCAR-F is 60 questions over four scenarios. About half can be reasoned out and half must be remembered, so I study every concept twice. The exam's structure, my study order and the 21 notes I plan to write.Sun, 11 Oct 2026 00:00:00 GMTFDE and agentsccar-fcertificationstudy-planClaude Agent SDK, Part 1: The agent loop is just a while loophttps://zeeshare.com/journey/2026-10-08-claude-agent-sdk-part-1-the-loop/https://zeeshare.com/journey/2026-10-08-claude-agent-sdk-part-1-the-loop/An agent is a loop with one decision in it. Every reply carries a stop_reason. tool_use means run the tool, hand the result back and call again.Thu, 08 Oct 2026 00:00:00 GMTCCAR-F journeydomain-1