Claude Code 2.1.283 更新：新增模型管控与提示审计

AI 摘要

Claude Code 发布 2.1.283 版本更新，新增网关提示头、可用/禁用模型管理设置、MCP 与 WebFetch/WebSearch 输出的 OpenTelemetry 追踪，以及 /doctor prompt-audit 审计命令等能力。同时修复了 SDK 会话工具调用丢失、MCP 后台进度通知、插件加载与校验、沙箱与权限对话框等多处问题。

正文节选

- Added `x-claude-code-prompt-id` to the gateway hint headers so LLM gateways can group the requests that serve one user prompt; opt in with `CLAUDE_CODE_GATEWAY_HINT_HEADERS=1` - Added `availableModelsMatch` managed setting: with `"exact"`, an `availableModels` entry allows only the model version it names, so new releases stay blocked until listed - Added `deniedModels` managed setting to block specific models, even when `availableModels` allows them - Added MCP tool, WebFetch and WebSearch out

发布时间：—

抓取时间：2026-09-26 05:58

来源机构：Anthropic