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claude.dev

Technical writing from Anthropic for people building with claude:

For agents: Anthropic technical blog for developers building with Claude: Claude Code workflows, agent automations, code review and cloud sessions, with markdown versions o

claude codeagent automationcode reviewai agentsanthropic engineering blog

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-21T14:32:34.056Z. Cached copy · Source on claude.dev

# claude.dev

> Technical writing from Anthropic for people building with claude:
> deep dives, mental models, and guides.

## posts

- [How the Claude Code team does code review](https://claude.dev/blog/solving-code-review-at-anthropic/): 2026-10-15 · engineering · 14 min · [markdown](https://claude.dev/blog/solving-code-review-at-anthropic.md) — How do you review code at the volume agents produce it? On the Claude Code team, once we had high coverage and deep reviews, we started optimizing for the minimum amount of human review time that doesn't raise reverts or incidents.
- [Building effective agent automations](https://claude.dev/blog/building-effective-agent-automations/): 2026-10-08 · agents · 9 min · [markdown](https://claude.dev/blog/building-effective-agent-automations.md) — A reference implementation walkthrough with common failure modes
- [Claude Code in the cloud: a field guide to cloud sessions](https://claude.dev/blog/claude-code-in-the-cloud/): 2026-10-06 · playbooks · 18 min · [markdown](https://claude.dev/blog/claude-code-in-the-cloud.md) — What changes when Claude Code runs on its own machine, the workflows where that pays off, and how to connect GitHub on the first try.
- [Getting started with Claude Code mods](https://claude.dev/blog/getting-started-with-claude-code-mods/): 2026-10-01 · tutorials · 11 min · [markdown](https://claude.dev/blog/getting-started-with-claude-code-mods.md) — Build your first Claude Code mod from an empty folder, then see what else the API can do.
- [Building with Claude Sonnet 5.5](https://claude.dev/blog/building-with-claude-sonnet-5-5/): 2026-09-28 · playbooks · 9 min · [markdown](https://claude.dev/blog/building-with-claude-sonnet-5-5.md) — When to choose Sonnet over Opus, what it costs, and how to tune it.
- [Automating eval design and hillclimbing with Claude](https://claude.dev/blog/automating-eval-design-and-hillclimbing/): 2026-09-28 · playbooks · 12 min · [markdown](https://claude.dev/blog/automating-eval-design-and-hillclimbing.md) — Principles for designing evals and hillclimbing against them without fooling yourself, and how the claude-api skill's build-eval and hillclimb commands put them to work.
- [What a task costs on Opus 5.5](https://claude.dev/blog/what-a-task-costs-on-opus-5-5/): 2026-09-25 · playbooks · 21 min · [markdown](https://claude.dev/blog/what-a-task-costs-on-opus-5-5.md) — Opus 5.5 costs less per token than Opus 5.
- [Using Claude Code: Spending your effort](https://claude.dev/blog/spending-your-effort/): 2026-09-25 · engineering · 8 min · [markdown](https://claude.dev/blog/spending-your-effort.md) — What effort really is and when to use which level in Claude Code, from my own tests of three builds and a deep dive into Terminal-Bench 3.0 on Opus 5.5 and Fable 5.1.
- [How we made claude.ai 3x faster in two weeks](https://claude.dev/blog/how-we-made-claude-ai-faster/): 2026-09-23 · engineering · 15 min · [markdown](https://claude.dev/blog/how-we-made-claude-ai-faster.md) —
…

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