Claude Code agent cost loop diagram showing vague tasks, broad tools, repeated exploration, and no stop rule

Claude Code Agent Cost Loops Start as Workflow Bugs

Claude Code cost problems usually start before the model call: vague tasks, wide-open tools, repeated repo exploration, and no stop rule. Treat spend as a workflow bug, not just a pricing problem.

April 30, 2026 · 6 min · 1153 words · Thomas De Vos
Read Claude Code Agent Cost Loops Start as Workflow Bugs
Claude Code evaluation loop showing capture, reduce, test, and change steps for failed agent runs

Claude Code Evals Should Start With Bad Runs

Production Claude Code evals should not begin with abstract benchmarks. Start with the agent runs that scared you, reduce them into replayable cases, and use them to tune permissions, prompts, tools, and review gates.

April 29, 2026 · 5 min · 1020 words · Thomas De Vos
Read Claude Code Evals Should Start With Bad Runs
Agent flight recorder diagram showing prompt, files changed, commands, tests, approvals, and rollback notes between a coding agent and deployment gate

Claude Code Agents Need a Flight Recorder

If a Claude Code agent changes production code, the useful artifact is not the chat transcript. It is a flight recorder: intent, boundaries, commands, diffs, tests, approvals, and rollback notes.

April 27, 2026 · 6 min · 1081 words · Thomas De Vos
Read Claude Code Agents Need a Flight Recorder
Claude Code production agent loop: task intent, boundaries, tool execution, evaluation, observability, human review, and deployment

Claude Code Is Not the Product: The Production Loop Is

A Claude Code demo is easy to love. You describe a feature, the agent edits files, runs commands, fixes its own mistakes, and suddenly the repository has moved. The first time you see it work, it feels like software engineering has skipped a generation. But the demo is not the hard part. The hard part is making that same capability safe enough, repeatable enough, and observable enough that you would trust it inside a real engineering workflow. That is where the actual product begins. ...

April 25, 2026 · 5 min · 904 words · Thomas De Vos
Read Claude Code Is Not the Product: The Production Loop Is