nexu-io/html-anything at 2.7K Stars: Agentic HTML Editor Ships 75 Composable Skills Across 9 Output Surfaces With Zero-Config Agent Detection

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HTML Anything auto-detects 8 installed coding agents (Claude Code, Cursor Agent, Codex, Gemini CLI, GitHub Copilot CLI) and provides 75 composable skills for generating production-ready single-file HTML documents across 9 surfaces — magazine articles, keynote decks (20 variants), posters, social media cards, web prototypes, data reports, and Hyperframes video scripts. Each skill enforces design constraints (CJK-first fonts, 8px baseline grids, 4.5:1 contrast ratios) and supports one-click export to WeChat, X/Weibo, and high-DPI PNG. Uses SSE streaming for real-time rendering preview in sandboxed iframes.