streamdown
✓Expert guidance for Vercel's Streamdown library - a streaming-optimized react-markdown replacement for AI applications. Use when: (1) Rendering AI-generated markdown from useChat/streamText, (2) Building chat UIs with streaming responses, (3) Migrating from react-markdown to streaming-friendly rendering, (4) Configuring code blocks (Shiki), math (KaTeX), diagrams (Mermaid), (5) Handling incomplete markdown during AI streaming (remend preprocessor), (6) Customizing markdown styling with Tailwind/CSS variables, (7) Securing AI output with rehype-harden (link/image protocols). Triggers: Streamdown, streaming markdown, AI chat markdown, react-markdown replacement, AI Elements Response, incomplete markdown, remend, Shiki themes, Mermaid diagrams, KaTeX math, rehype-harden, isAnimating, markdown streaming.
Installation
SKILL.md
Streamdown is a drop-in react-markdown replacement designed for AI-powered streaming applications. It handles incomplete markdown syntax gracefully using the remend preprocessor.
| children | string | required | Markdown content to render | | isAnimating | boolean | false | Disables interactive controls during streaming | | mode | "streaming" \| "static" | "streaming" | Rendering mode | | shikiTheme | [BundledTheme, BundledTheme] | ['github-light', 'github-dark'] | Light/dark syntax themes |
| controls | ControlsConfig \| boolean | true | Button visibility for code/table/mermaid | | mermaid | MermaidOptions | {} | Diagram configuration | | components | object | {} | Custom element overrides | | className | string | "" | Container CSS class | | remarkPlugins | Pluggable[] | GFM, math, CJK | Markdown preprocessing |
Facts (cite-ready)
Stable fields and commands for AI/search citations.
- Install command
npx skills add https://github.com/bjornmelin/dev-skills --skill streamdown- Source
- bjornmelin/dev-skills
- Category
- </>Dev Tools
- Verified
- ✓
- First Seen
- 2026-02-01
- Updated
- 2026-02-18
Quick answers
What is streamdown?
Expert guidance for Vercel's Streamdown library - a streaming-optimized react-markdown replacement for AI applications. Use when: (1) Rendering AI-generated markdown from useChat/streamText, (2) Building chat UIs with streaming responses, (3) Migrating from react-markdown to streaming-friendly rendering, (4) Configuring code blocks (Shiki), math (KaTeX), diagrams (Mermaid), (5) Handling incomplete markdown during AI streaming (remend preprocessor), (6) Customizing markdown styling with Tailwind/CSS variables, (7) Securing AI output with rehype-harden (link/image protocols). Triggers: Streamdown, streaming markdown, AI chat markdown, react-markdown replacement, AI Elements Response, incomplete markdown, remend, Shiki themes, Mermaid diagrams, KaTeX math, rehype-harden, isAnimating, markdown streaming. Source: bjornmelin/dev-skills.
How do I install streamdown?
Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/bjornmelin/dev-skills --skill streamdown Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code or Cursor
Where is the source repository?
https://github.com/bjornmelin/dev-skills
Details
- Category
- </>Dev Tools
- Source
- skills.sh
- First Seen
- 2026-02-01