Claude Code Hooks: Deterministic Guardrails for AI Coding Agents — Field Notes

OpenAI Codex, Claude Code, Gemini CLI and Hermes Agent all have open issues that look different and are the same bug: the client replays a refresh token the server already rotated.

On the first day of a multi-day piece of work, the assistant knows every rule I gave it. By day three...

Daywell is built by one person, me, and a set of Claude Code sessions. Each session owns one area...

Upwork Scout sends freelancers alerts for Upwork jobs that fit them. The "fit" part is a small Claude...

How I exposed 86 step-by-step SEO fixes to Claude, Cursor and any MCP client with a stateless, read-only Streamable HTTP endpoint, plus what Glama's tool-quality score taught me.

If you use Claude Code a lot, you've probably seen this: the weekly limit bar creeping toward 100%,...

If you run LLMs in production—whether OpenAI, Anthropic, Gemini, or self-hosted Ollama/vLLM—you have...

Ten public data-loss incidents from Claude Code, Codex, Antigravity and opencode this autumn, grouped by shell-level root cause, with the safer form for each.

Hey everyone! I've been experimenting a lot with AI coding agents like Claude Code and Codex, and...

Six lessons from building an MCP server that lets Claude, Cursor and Codex create and render images, PDFs and video, including the bug that hid a paid render from the agent that asked for it.