21st-dev

21st-dev/1code

Instructions file CodexOpenCode

Instructions for 21st-dev/1code: These instructions are for AI assistants working in this project.

21st-dev/1code

Instructions file

Instructions for 21st-dev/1code, covering openspec instructions, claude.md, what is this?, commands and development.

21st-dev/agent-elements

Skill Claude CodeCodex

Use whenever the user wants to build or modify a chat, agent, or tool-calling UI in a React 19 + Tailwind v4 project — especially if the code imports from @/components/agent-elements/ or the project has that folder on disk. Triggers: "agent chat", "tool call UI", "streaming chat", "plan approval", "AgentChat"…

21st-dev/claude-code-plugin

Plugin Claude Code

Plugin marketplace listing 1 plugin: 21st.

21st-dev/claude-code-plugin

Plugin Claude Code

Find, generate, build, explore, review, and publish project-aware UI with seven verified 21st.dev skills plus the remote 21st MCP server.

21st-dev/claude-code-plugin

MCP server Claude CodeCodexCursor +2

MCP server "21st", hosted remotely at 21st.dev, as configured in 21st-dev/claude-code-plugin.

21st-dev/claude-code-plugin

Skill Claude CodeCodex

Generate and iterate on UI with 21st AI from the terminal via the 21st CLI (@21st-dev/cli): sketch a UI from a prompt, preview the variants in the browser, edit any variant in place with a natural-language change, and pull the final code into the project. Use whenever the user wants to BUILD / SKETCH new UI ("sketch a…

21st-dev/claude-code-plugin

Skill Claude CodeCodex

Search, install and pull code from the 21st.dev catalog with the 21st CLI (@21st-dev/cli): find React/shadcn components, themes and templates, print a component's code or a theme's CSS, install an item into the project, or generate a new component with 21st AI. Use whenever the user says "search/find a component/theme…

21st-dev/claude-code-plugin

Skill Claude CodeCodex

Look at the current project's design (its shadcn / Tailwind CSS variables and color tokens) and publish it to the 21st.dev community as a shareable theme, using 21st publish-theme. Use when the user says "publish my theme", "share our design as a 21st theme", "sync my design to 21st", "turn my globals.css into a…

21st-dev/claude-code-plugin

Skill Claude CodeCodex

Publish your own work to 21st.dev and manage it from the terminal with the 21st CLI (@21st-dev/cli): publish a React component to a team library, publish a CSS theme or a template listing, edit / unpublish / delete your published items, list and reopen existing component work, and read/replace your public profile page…

21st-dev/claude-code-plugin

Skill Claude CodeCodex

Build or substantially change production UI using the current project's design context, existing components, and grounded 21st inspiration. Use when implementing a page, section, component, responsive redesign, or visual polish in an existing web project. Trigger for requests such as "build this UI", "implement this…

21st-dev/claude-code-plugin

Skill Claude CodeCodex

Explore and compare multiple meaningfully different UI directions grounded in the current project's design system and 21st inspiration. Use when the user wants options, variants, concepts, a redesign direction, visual experimentation, or is unsure how a new interface should look. Trigger for requests such as "show me…

21st-dev/claude-code-plugin

Skill Claude CodeCodex

Review existing UI against the project's design context, accessibility expectations, responsive behavior, interaction quality, and high-confidence production rules. Use for UI audits, design QA, frontend review, accessibility review, consistency checks, or requests to find and safely fix visual defects. Trigger for…

21st-dev/codex-plugin

Skill Claude CodeCodex

Generate and iterate on UI with 21st AI from the terminal via the 21st CLI (@21st-dev/cli): sketch a UI from a prompt, preview the variants in the browser, edit any variant in place with a natural-language change, and pull the final code into the project. Use whenever the user wants to BUILD / SKETCH new UI ("sketch a…

21st-dev/codex-plugin

Skill Claude CodeCodex

Search, install and pull code from the 21st.dev catalog with the 21st CLI (@21st-dev/cli): find React/shadcn components, themes and templates, print a component's code or a theme's CSS, install an item into the project, or generate a new component with 21st AI. Use whenever the user says "search/find a component/theme…

21st-dev/codex-plugin

Skill Claude CodeCodex

Look at the current project's design (its shadcn / Tailwind CSS variables and color tokens) and publish it to the 21st.dev community as a shareable theme, using 21st publish-theme. Use when the user says "publish my theme", "share our design as a 21st theme", "sync my design to 21st", "turn my globals.css into a…

21st-dev/codex-plugin

Skill Claude CodeCodex

Publish your own work to 21st.dev and manage it from the terminal with the 21st CLI (@21st-dev/cli): publish a React component to a team library, publish a CSS theme or a template listing, edit / unpublish / delete your published items, list and reopen existing component work, and read/replace your public profile page…

21st-dev/codex-plugin

Skill Claude CodeCodex

Build or substantially change production UI using the current project's design context, existing components, and grounded 21st inspiration. Use when implementing a page, section, component, responsive redesign, or visual polish in an existing web project. Trigger for requests such as "build this UI", "implement this…

21st-dev/codex-plugin

Skill Claude CodeCodex

Explore and compare multiple meaningfully different UI directions grounded in the current project's design system and 21st inspiration. Use when the user wants options, variants, concepts, a redesign direction, visual experimentation, or is unsure how a new interface should look. Trigger for requests such as "show me…

21st-dev/codex-plugin

Skill Claude CodeCodex

Review existing UI against the project's design context, accessibility expectations, responsive behavior, interaction quality, and high-confidence production rules. Use for UI audits, design QA, frontend review, accessibility review, consistency checks, or requests to find and safely fix visual defects. Trigger for…

21st-dev/skill

Skill Claude CodeCodex

Generate and iterate on UI with 21st AI from the terminal via the 21st CLI (@21st-dev/cli): sketch a UI from a prompt, preview the variants in the browser, edit any variant in place with a natural-language change, and pull the final code into the project. Use whenever the user wants to BUILD / SKETCH new UI ("sketch a…

21st-dev/skill

Skill Claude CodeCodex

Search, install and pull code from the 21st.dev catalog with the 21st CLI (@21st-dev/cli): find React/shadcn components, themes and templates, print a component's code or a theme's CSS, install an item into the project, or generate a new component with 21st AI. Use whenever the user says "search/find a component/theme…

21st-dev/skill

Skill Claude CodeCodex

Look at the current project's design (its shadcn / Tailwind CSS variables and color tokens) and publish it to the 21st.dev community as a shareable theme, using 21st publish-theme. Use when the user says "publish my theme", "share our design as a 21st theme", "sync my design to 21st", "turn my globals.css into a…

21st-dev/skill

Skill Claude CodeCodex

Publish your own work to 21st.dev and manage it from the terminal with the 21st CLI (@21st-dev/cli): publish a React component to a team library, publish a CSS theme or a template listing, edit / unpublish / delete your published items, list and reopen existing component work, and read/replace your public profile page…