2026年2月3日更新的文章宣布Xcode 26.3引入“agentic coding”，把编码代理直接带入Xcode工作流，点名支持Anthropic的Claude Agent与OpenAI的Codex。文本给出的可核对数字信息主要是版本号26.3与26，以及日期2026年2月3日；未提供任何效率提升比例、基准分数、样本量或统计趋势数据。

相对Xcode 26中新增的Swift写作与编辑型编码助手，Xcode 26.3把代理的权限扩展到更多Xcode能力，使其能以更高自主性围绕开发者目标执行：分解任务、依据项目架构做决策，并使用内建工具贯穿开发全生命周期协作。文中列举的具体可执行动作包括：搜索文档、遍历文件结构、更新项目设置、通过捕获Xcode Previews进行可视化验证，以及在构建—修复迭代中循环改进。

集成层面，Xcode 26.3提供对Claude Agent与Codex的无缝接入，并通过Model Context Protocol（开放标准）对外暴露Xcode能力，以便使用任何兼容代理或工具。可用性信息以时间点表述：Xcode 26.3自“今天”起向Apple Developer Program所有成员提供release candidate，并将于稍后在App Store发布；文中未给出明确发布日期或时间区间。

The February 3, 2026 update announces Xcode 26.3 adding agentic coding, bringing coding agents directly into Xcode workflows and naming Anthropic’s Claude Agent and OpenAI’s Codex. The only checkable quantitative details provided are version numbers 26.3 and 26 and the date February 3, 2026; no uplift percentages, benchmarks, sample sizes, or statistical trends are reported.

Building on Xcode 26’s new Swift writing-and-editing coding assistant, Xcode 26.3 expands agents’ access to more Xcode capabilities so they can operate with greater autonomy toward developer goals: decomposing tasks, making decisions based on project architecture, and using built-in tools across the full development life cycle. The text’s concrete actions include searching documentation, exploring file structures, updating project settings, visually verifying work by capturing Xcode Previews, and iterating through builds and fixes.

On integration, Xcode 26.3 offers seamless access to Claude Agent and Codex and exposes Xcode capabilities through the Model Context Protocol, an open standard intended to enable any compatible agent or tool. Availability is stated as time-relative: a release candidate is available to all Apple Developer Program members starting “today,” with an App Store release coming soon; no exact release date or window is given.