Prompt Area
Hi HN, I built Prompt Area — a contentEditable rich text input component for React, designed specifically for AI chat interfaces. The problem: if you're building an AI chat UI, your input needs @mentions (to reference context), /commands (to trigger actions), #tags, inline markdown, file attachments, and undo/redo. Existing options are either too limited (react-mentions only does mentions) or massive overkill (Tiptap, Lexical, and Plate are full document editors built on ProseMirror/Slate — way too heavy for a prompt input). Prompt Area sits in the middle. It uses a…
Prompt Area launched on July 9, 2026 with 24 votes, #791 of 24,623 launches that month and more than 95% of that year's launches.
What it does
An open-source React textarea component with @mentions, /commands, #tags, inline markdown, undo/redo, file attachments, and dark mode. Install via npm or shadcn registry: npx shadcn@latest add.
The shadcn AI chat input for React: a zero-dependency textarea with @mentions, /commands, #tags, inline markdown, and file attachments. Install from the shadcn registry — a modern react-mentions alternative for LLM chat interfaces.
A production-grade textarea for AI chat interfaces — @mentions, /commands, #tags, inline markdown, and file attachments in one contentEditable component. One component replaces five libraries — no ProseMirror, Slate, or Lexical. Compose the input with companions to build full chat experiences. Real, copy-paste compositions modeled on the agent UIs you already know. Lighter than Tiptap, Lexical, or Plate for chat inputs — and a drop-in upgrade from react-mentions. See the honest, side-by-side breakdowns. Install with an AI agent, from npm, or copy the source via the shadcn registry. Zero extrafrom prompt-area.com
In the maker’s words, at launch
Hi HN, I built Prompt Area — a contentEditable rich text input component for React, designed specifically for AI chat interfaces. The problem: if you're building an AI chat UI, your input needs @mentions (to reference context), /commands (to trigger actions), #tags, inline markdown, file attachments, and…
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