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Grok Bot 0.71.2 发布重大升级，支持最高 250 MB 文件和 1 GB 视频上传，用户无需压缩、裁剪或分段即可直接发送完整视频、原始素材和大型 PDF。
推文指出通过 MCP 连接 Claude 或 ChatGPT 的 Gmail 无法发送附件的问题本质是基础设施问题而非智能问题，并介绍了 Reduck MCP——它借助 Reduck Chrome 扩展让 Agent 访问本地文件，实现文件上传到 Google Drive、通过邮件发送附件等操作。
MediaSeg is a macOS tool that splits large media files into upload-ready chunks.
Extend UI is an open-source UI kit for modern document apps, providing viewers for PDF, DOCX, XLSX, and CSV files, along with features like bounding box citations, file upload, and e-signing.
OpenAI Academy provides a guide on how to upload and work with files in ChatGPT, covering supported formats, prompting examples, and third-party app integrations.