DeepSeek Harness dual-face plugin: session-isolated file upload with colorful composer cards + read_document tool (text/PDF/DOCX/XLSX) with content sniffing and LRU caching

Office document tools (xlsx / pdf / pptx / docx) for DeepSeek Harness: generate, read, and edit spreadsheets, PDFs, presentations, and Word documents

BrandDocs is a set of agent skills that learn your existing Word, PowerPoint and Excel templates and generate new on-brand documents from them. Unlike generic AI document generators, it preserves brand, structure, styles and formulas by construction. Built for Claude Code, Codex and compatible AI agents.

Talk to Excel in DeepSeek Harness: create/edit spreadsheets, formulas, styles, filters, and tables by conversation; auto-verifies formulas after every edit, repairs silent errors, and validates charts.

为 better-sidebar 提供 Office 三件套预览（.docx/.xlsx/.pptx），独立 bundle 瘦身主体 | Provides Office-suite preview (.docx/.xlsx/.pptx) for better-sidebar as a separate bundle to slim the core

向模型暴露 MinerU 文档解析工具，将 PDF/图片/DOCX/PPTX/XLSX 转为结构化 Markdown/JSON | Exposes MinerU document-parsing tools to the model, converting PDF/images/DOCX/PPTX/XLSX into structured Markdown/JSON

DSH web plugin: Office file previewers (.docx/.xlsx/.pptx) for the better-sidebar editor. Registers the docx/xlsx/pptx file viewers through ctx.betterSidebar.registerFileViewer, keeping the heavy Office render libraries (docx-preview / Univer / SheetJS /