21st-dev

27 mods in 2 plugins, 6 repositories, 12k stars between them.

21st

01

21st-dev/magic-mcp

Plugin Claude Code

Bundles 1 skill, 1 MCP server · 63 tokens together

Find UI components and themes, retrieve their code, and use hosted 21st AI when enabled.

not rated 6.1k +73 changed 1mo ago A tokens not measured original ISC

agent-elements

02

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"…

not rated 104 5mo ago A Socket: passSnyk: pass 142 tokens original MIT

21st-ai

03

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…

not rated 20 +7 changed 1mo ago A Socket: passSnyk: pass 195 tokens original Apache-2.0

21st-cli-use

04

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…

not rated 20 +7 changed 1mo ago A Socket: passSnyk: warn 160 tokens original Apache-2.0

21st-design-sync

05

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…

not rated 20 +7 1mo ago A Socket: passSnyk: fail 129 tokens original Apache-2.0

21st-registry

06

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…

not rated 20 +7 1mo ago A Socket: passSnyk: fail 259 tokens original Apache-2.0

21st-ui-build

07

21st-dev/skill

Skill Codex

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…

not rated 20 +7 changed 1mo ago A Socket: passSnyk: pass 111 tokens original Apache-2.0

21st-ui-explore

08

21st-dev/skill

Skill Codex

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…

not rated 20 +7 changed 1mo ago A Socket: passSnyk: pass 98 tokens original Apache-2.0

21st-ui-review

09

21st-dev/skill

Skill Codex

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…

not rated 20 +7 1mo ago A Socket: passSnyk: pass 103 tokens original Apache-2.0

21st

10

21st-dev/claude-code-plugin

Plugin Claude Code

Bundles 7 skills, 1 MCP server · 1,055 tokens together

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

not rated 15 +2 changed 1mo ago A tokens not measured original Apache-2.0

21st-ai

11

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…

not rated 10 +2 changed 1mo ago A 195 tokens copy · 100% Apache-2.0

21st-cli-use

12

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…

not rated 10 +2 changed 1mo ago A 160 tokens copy · 100% Apache-2.0

21st-design-sync

13

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…

not rated 10 +2 10d ago A 129 tokens copy · 100% Apache-2.0

21st-registry

14

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…

not rated 10 +2 10d ago A 259 tokens copy · 100% Apache-2.0

21st-ui-build

15

21st-dev/codex-plugin

Skill Codex

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…

not rated 10 +2 changed 1mo ago A 111 tokens copy · 100% Apache-2.0

21st-ui-explore

16

21st-dev/codex-plugin

Skill Codex

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…

not rated 10 +2 changed 1mo ago A 98 tokens copy · 100% Apache-2.0

21st-ui-review

17

21st-dev/codex-plugin

Skill Codex

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…

not rated 10 +2 10d ago A 103 tokens copy · 100% Apache-2.0

21st

18

21st-dev/codex-plugin

MCP server Claude CodeCodexCursor +2

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

not rated 10 +2 10d ago A tokens not measured original Apache-2.0

21st-video

19

21st-dev/codex-plugin

Skill Codex

Create and edit a product, launch, demo, or social video from the current project with 21st video MCP tools. Open the editable project alongside the chat, apply small revision-aware edits, check rendered frames, offer visual variants, and export the result. Use when the user asks for a video, says "make a launch video…

not rated 10 +2 10d ago A 102 tokens original Apache-2.0

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: