32 stories
A frozen eval panel is the only rerunnable way to tell whether a hosted model got worse. What livenerf measures on Opus 5.5, and how to size your own.
You can get Jev-style typed decisions from an ordinary LLM by forcing one output token and reading its logprobs. Where that matches Jev, and where it loses.
An ADE is an app built around tasks that coding agents run, not files you edit. What JetBrains Air shipped, and whether an ADE replaces your IDE.
Facts every session needs go in AGENTS.md, procedures go in skills, and rules that must hold go in hooks. How to share one handbook across six agents.
Opus 5.5 sends its between-tool notes as empty thinking blocks and ends some turns early. What breaks in an agent harness, and the documented fixes.
A Claude Code mod is a plugin whose TypeScript hooks module runs inside Claude Code. What shipped in 2.1.277, what is only announced, and when to use one.
JevBench scores System One models on accuracy, calibration, speed and cost, and puts Jev first at 63.3. Why calibration still needs your own data.
Since 2.1.277, Claude Code reads AGENTS.md only when no CLAUDE.md or CLAUDE.local.md is on the path. Before 2.1.281, telemetry off skipped it silently.
A harness is everything in a coding agent except the model. On strong models, two September 2026 studies found it moves the bill more than the pass rate.
Compaction is the step where a coding agent summarises its own history to keep working: what it keeps, what it drops, and what OpenAI found in its summaries.
A System One model answers typed questions with typed answers and a probability, not text. It sits beside your LLM and takes the small, frequent decisions.
You already know how to get a new engineer productive: docs, pairing, and time. Agents need the same thing and get none of it, because every session is their first day.
A move is how you use your tools: a technique, habit or workflow in your own words. What counts as a move, what does not, and how to write one.
Learn how to remove and isolate vocals from any track in Ableton Live with LALAL.AI VST plugin and other methods.
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