update: add minimax-xlsx skill and sync docs

.codex/INSTALL.md

@@ -35,6 +35,9 @@ Enable MiniMax skills in Codex via native skill discovery. Just clone and symlin
 - **ios-application-dev** — iOS application development with UIKit, SnapKit, and SwiftUI
 - **shader-dev** — GLSL shader techniques for stunning visual effects (ShaderToy-compatible)
 - **gif-sticker-maker** — Convert photos into animated GIF stickers (Funko Pop / Pop Mart style)
+- **minimax-pdf** — Generate, fill, and reformat PDF documents with a token-based design system
+- **pptx-generator** — Generate, edit, and read PowerPoint presentations
+- **minimax-xlsx** — Open, create, read, analyze, edit, or validate Excel/spreadsheet files
 
 ## Verify
 

.cursor-plugin/plugin.json

@@ -1,7 +1,7 @@
 {
   "name": "minimax-skills",
   "displayName": "MiniMax Skills",
-  "description": "MiniMax AI skills library: frontend development, fullstack development, Android native development, iOS application development, shader development, and GIF sticker maker",
+  "description": "MiniMax AI skills library: frontend development, fullstack development, Android native development, iOS application development, shader development, GIF sticker maker, PDF generation, PPTX presentations, and Excel/spreadsheet processing",
   "version": "1.0.0",
   "author": {
     "name": "MiniMax AI"
@@ -9,7 +9,7 @@
   "homepage": "https://github.com/MiniMax-AI/skills",
   "repository": "https://github.com/MiniMax-AI/skills",
   "license": "MIT",
-  "keywords": ["skills", "frontend", "fullstack", "android", "ios", "shader", "gif", "sticker", "minimax"],
+  "keywords": ["skills", "frontend", "fullstack", "android", "ios", "shader", "gif", "sticker", "pdf", "pptx", "xlsx", "excel", "spreadsheet", "minimax"],
   "logo": "assets/logo.png",
   "skills": "./skills/"
 }

.opencode/INSTALL.md

@@ -40,6 +40,9 @@ Verify by asking: "List available skills"
 - **ios-application-dev** — iOS application development with UIKit, SnapKit, and SwiftUI
 - **shader-dev** — GLSL shader techniques for stunning visual effects (ShaderToy-compatible)
 - **gif-sticker-maker** — Convert photos into animated GIF stickers (Funko Pop / Pop Mart style)
+- **minimax-pdf** — Generate, fill, and reformat PDF documents with a token-based design system
+- **pptx-generator** — Generate, edit, and read PowerPoint presentations
+- **minimax-xlsx** — Open, create, read, analyze, edit, or validate Excel/spreadsheet files
 
 ## Updating
 

README.md

@@ -18,6 +18,7 @@ Development skills for AI coding agents. Plug into your favorite AI coding tool
 | `gif-sticker-maker` | Convert photos (people, pets, objects, logos) into 4 animated GIF stickers with captions. Funko Pop / Pop Mart style, powered by MiniMax Image & Video Generation API. |
 | `minimax-pdf` | Generate, fill, and reformat PDF documents with a token-based design system. CREATE polished PDFs from scratch (15 cover styles), FILL existing form fields, or REFORMAT documents into a new design. Print-ready output with typography and color derived from document type. |
 | `pptx-generator` | Generate, edit, and read PowerPoint presentations. Create from scratch with PptxGenJS (cover, TOC, content, section divider, summary slides), edit existing PPTX via XML workflows, or extract text with markitdown. |
+| `minimax-xlsx` | Open, create, read, analyze, edit, or validate Excel/spreadsheet files (.xlsx, .xlsm, .csv, .tsv). Covers creating new xlsx from scratch via XML templates, reading and analyzing with pandas, editing existing files with zero format loss, formula recalculation, validation, and professional financial formatting. |
 
 ## Installation
 

README_zh.md

@@ -18,6 +18,7 @@
 | `gif-sticker-maker` | 将照片（人物、宠物、物品、Logo）转换为 4 张带字幕的动画 GIF 贴纸。Funko Pop / Pop Mart 盲盒风格，基于 MiniMax 图片与视频生成 API。 |
 | `minimax-pdf` | 基于 token 化设计系统生成、填写和重排 PDF 文档。支持三种模式：CREATE（从零生成，15 种封面风格）、FILL（填写现有表单字段）、REFORMAT（将已有文档重排为新设计）。排版与配色由文档类型自动推导，输出即可打印。 |
 | `pptx-generator` | 生成、编辑和读取 PowerPoint 演示文稿。支持用 PptxGenJS 从零创建（封面、目录、内容、分节页、总结页），通过 XML 工作流编辑现有 PPTX，或用 markitdown 提取文本。 |
+| `minimax-xlsx` | 打开、创建、读取、分析、编辑或验证 Excel/电子表格文件（.xlsx、.xlsm、.csv、.tsv）。支持通过 XML 模板从零创建 xlsx、使用 pandas 读取分析、零格式损失编辑现有文件、公式重算与验证、专业财务格式化。 |
 
 ## 安装