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[ARTICLE · art-27670] src=pub.towardsai.net ↗ pub= topic=ai-tools verified=true sentiment=↑ positive

Claude Agent SDK: You Already Wrote the Agent Loop. The Claude Agent SDK Deletes It.

Anthropic released the Claude Agent SDK, a new tool that eliminates the need for developers to write custom agent loops for tool-using AI models. The SDK provides a pre-built layer that handles the while response.stop_reason == "tool_use" loop, simplifying the development of AI agents.

read1 min publishedJun 15, 2026

Part 1: If you have ever hand-rolled a while response.stop_reason == “tool_use” loop, this is the layer you wished existed. Continue reading on Towards AI »

source & further reading
pub.towardsai.net — original article Green Evals, Wrong Answers Claude Agent SDK Agent Loop: The Agent Loop Is Just a While Loop You Did Not Have to Write OpenCode Just Dethroned Claude Code With 172,000 Stars — I Ran Both and It's 78% Slower
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