https://aiagentsengineered.com/blog/ Articles on engineering AI agents you can verify. en Mon, 05 Oct 2026 09:00:00 +0000 https://aiagentsengineered.com/blog/agents-vs-workflows-decision-rule/ https://aiagentsengineered.com/blog/agents-vs-workflows-decision-rule/ Mon, 05 Oct 2026 09:00:00 +0000 Agents vs workflows comes down to one question: who decides the next step, your code or the model? Learn the rule, then read Chapter 1 free. https://aiagentsengineered.com/blog/ai-agent-failure-modes/ https://aiagentsengineered.com/blog/ai-agent-failure-modes/ Mon, 05 Oct 2026 09:00:00 +0000 AI agent failure modes sorted for diagnosis: symptom, cause, trace signature and fix for each, cross-checked against MAST. Keep it open beside your traces. https://aiagentsengineered.com/blog/ai-agents-course-syllabus/ https://aiagentsengineered.com/blog/ai-agents-course-syllabus/ Mon, 05 Oct 2026 09:00:00 +0000 An AI agents course syllabus for instructors: why the loop comes first, how to grade verification over demos, and how peer courses compare. Get the kit. https://aiagentsengineered.com/blog/context-rot-symptoms-and-fixes/ https://aiagentsengineered.com/blog/context-rot-symptoms-and-fixes/ Mon, 05 Oct 2026 09:00:00 +0000 What is context rot? Why an AI agent degrades as its context window fills, the five failure modes behind it, and four fixes. Learn to diagnose a run. https://aiagentsengineered.com/blog/how-many-eval-examples-do-you-need/ https://aiagentsengineered.com/blog/how-many-eval-examples-do-you-need/ Mon, 05 Oct 2026 09:00:00 +0000 How many eval examples do I need? Twenty to fifty at first, hundreds to compare versions. The arithmetic, paired tests, and a worked example to copy. https://aiagentsengineered.com/blog/idempotent-tools-and-safe-retries/ https://aiagentsengineered.com/blog/idempotent-tools-and-safe-retries/ Mon, 05 Oct 2026 09:00:00 +0000 Idempotent tools for AI agents turn a retry or crash-resume into a no-op, not a second charge. Learn keys, receipts and retry rules with a worked example. https://aiagentsengineered.com/blog/is-llm-as-a-judge-reliable/ https://aiagentsengineered.com/blog/is-llm-as-a-judge-reliable/ Mon, 05 Oct 2026 09:00:00 +0000 Is LLM as a judge reliable? Only as far as you have measured it. A calibration method with Cohen's kappa, a worked example and the four biases to test. https://aiagentsengineered.com/blog/lethal-trifecta-explained/ https://aiagentsengineered.com/blog/lethal-trifecta-explained/ Mon, 05 Oct 2026 09:00:00 +0000 The lethal trifecta AI agents carry: private data, untrusted content, an outbound channel. Run the audit, cut one leg, cap the blast radius. Start here. https://aiagentsengineered.com/blog/single-agent-vs-multi-agent/ https://aiagentsengineered.com/blog/single-agent-vs-multi-agent/ Mon, 05 Oct 2026 09:00:00 +0000 Single agent vs multi agent: start with one, split only when branches run blind and merge cheaply. Use the decision table, then read Chapter 11. https://aiagentsengineered.com/blog/what-is-an-agent-harness/ https://aiagentsengineered.com/blog/what-is-an-agent-harness/ Mon, 05 Oct 2026 09:00:00 +0000 What is an agent harness? The loop, tools, history, stop rules and recovery around the model, what breaks without each, and when to adopt a framework. https://aiagentsengineered.com/blog/what-is-an-agent-loop/ https://aiagentsengineered.com/blog/what-is-an-agent-loop/ Mon, 05 Oct 2026 09:00:00 +0000 What is an agent loop? The four beats every agent repeats, how ReAct fits, and the three exits ranked by trust, with a worked trace. Read the walkthrough. https://aiagentsengineered.com/blog/why-agent-errors-compound/ https://aiagentsengineered.com/blog/why-agent-errors-compound/ Mon, 05 Oct 2026 09:00:00 +0000 Compounding errors in AI agents are worse than pⁿ: self-conditioning, snowballing and correlated errors. See the evidence and the redesign that fixes it.