I recorded 87 Claude Code sessions to find out where the money goes

agent_summary asks the agent's own model to label its last action in 3-5 words. How the timer works, how to measure its share, and why the numbers disagree.

Claude Looked Blocked. My Policy Had Never Fired. From the agentpolicy v0.1.0 release: a...

When you ask Claude Code to "make a 60-second horror reel", it will happily start writing components....

Developers discover that Claude Code ignores custom instructions because they set them in the wrong layer. Learn the three ways to shape Claude Code behavior, what the system prompt actually controls, and which parts remain locked no matte…

A tampered Claude Code extension sat in Cursor's marketplace for about 11 hours. Here is the delivery chain that made it look like a normal update.

On Opus 5.5 a warm 200K-token Claude session reads its history for $0.04. Let the cache expire and the next line pays $1.00 to write it back. Do the math.

Twenty agent turns, zero commits, red tests. A Claude Code Stop hook snapshots each turn to refs/agent-turns/, then git bisect finds the turn that broke it.

Disclosure: I build PartsPlan, the tool mentioned at the end. The cases below are real answers I...

How Coincide, an open-source Mac app, lets a thread move between Claude Code, Codex, Cursor, Grok Build, OpenCode and Antigravity without re-explaining the task.

Claude Code 2.1.309 stopped shell startup files running outside the Bash sandbox. Why zsh and bash run them at all, and a one-line trace to see it.