sap-extension-creator

# SAP Extension Creator ## Overview Create Super Agent Party extensions—self-contained packages that extend the platform with custom chat UI and tools. Two modes are supported: - **Static extension**: Pure HTML/CSS/JS frontend, served directly by SAP from the extension folder - **Node.js extension**: Full-stack with Express backend, auto-managed by SAP (`npm install` + `node index.js <port>`) Both modes support MCP tool registration (the `register_node_extension_mcp` protocol message works for ANY extension via WebSocket, despite the "node" in its name). ## Quick Decision Tree ``` User wants to create an extension? ├─ Only needs UI (chat, display, simple interactions)? → Static Extension └─ Needs backend logic (API calls, DB, file processing)? → Node.js Extension ``` ## Core Files Every Extension Needs | File | Required | Purpose | |------|----------|---------| | `package.json` | ✅ | Metadata, dependencies, window config | | `index.html` | ✅ | Main UI (full HTML page, single-file app) | | `index.js` | Node only | Node.js entry point | | `node_modules/` | Node only | Auto-installed by SAP via `npm install` | ## Workflow ### Step 1: Gather Requirements Ask the user: 1. **Extension name?** (hyphen-case, e.g., `my-weather-widget`) 2. **Description?** (one sentence) 3. **Static or Node.js?** (Node.js only if backend logic/server-side code is needed) 4. **For Node.js: what npm dependencies?** 5. **Should it register custom tools for the AI?** (works in both static and N...