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Building Agentic UIs with mcpcn
mcpcn
12K ⢠3 days ago
For the complete documentation index, see llms.txt. Markdown variants are available by appending .md to any URL or sending an Accept: text/markdown header. An agent skill is available at /.well-known/agent-skills/site-skill.md.
12K ⢠3 days ago
$ pnpm dlx shadcn@latest add @mcpcn/youtube-post
import {
YouTubePost,
YouTubePostAvatar,
YouTubePostDetails,
YouTubePostInfo,
YouTubePostMenu,
YouTubePostPlayer,
} from "@/components/ui/youtube-post";<YouTubePost>
<YouTubePostPlayer />
<YouTubePostInfo>
<div className="flex gap-3">
<YouTubePostAvatar />
<YouTubePostDetails />
<YouTubePostMenu />
</div>
</YouTubePostInfo>
</YouTubePost>Use the following composition to build an YouTubePost:
YouTubePost
āāā YouTubePostPlayer
āāā YouTubePostInfo
āāā YouTubePostAvatar
āāā YouTubePostDetails
āāā YouTubePostMenuInstall the OpenUI React packages.
pnpm add @openuidev/react-lang zodAdd YouTubePost to a component library and map it to the installed component.
import { createLibrary, defineComponent } from "@openuidev/react-lang";
import { z } from "zod/v4";
import {
YouTubePost,
YouTubePostAvatar,
YouTubePostDetails,
YouTubePostInfo,
YouTubePostMenu,
YouTubePostPlayer,
} from "@/components/ui/youtube-post";
const OpenUIYouTubePost = defineComponent({
name: "YouTubePost",
description: "YouTube video card with playable embed.",
props: z.object({}),
component: () => (
<YouTubePost>
<YouTubePostPlayer />
<YouTubePostInfo>
<div className="flex gap-3">
<YouTubePostAvatar />
<YouTubePostDetails />
<YouTubePostMenu />
</div>
</YouTubePostInfo>
</YouTubePost>
),
});
export const youtube_postLibrary = createLibrary({
root: "YouTubePost",
components: [OpenUIYouTubePost],
});For richer generated compositions, define the child primitives separately and connect them with .ref fields. See Defining Components in the OpenUI documentation.
Install the json-render React packages.
pnpm add @json-render/core @json-render/react zodAdd YouTubePost to a component catalog and map it to the installed component.
import { defineCatalog } from "@json-render/core";
import { defineRegistry } from "@json-render/react";
import { schema } from "@json-render/react/schema";
import { z } from "zod";
import {
YouTubePost,
YouTubePostAvatar,
YouTubePostDetails,
YouTubePostInfo,
YouTubePostMenu,
YouTubePostPlayer,
} from "@/components/ui/youtube-post";
export const catalog = defineCatalog(schema, {
components: {
YouTubePost: {
props: z.object({}),
description: "YouTube video card with playable embed.",
},
},
});
export const { registry } = defineRegistry(catalog, {
components: {
YouTubePost: () => (
<YouTubePost>
<YouTubePostPlayer />
<YouTubePostInfo>
<div className="flex gap-3">
<YouTubePostAvatar />
<YouTubePostDetails />
<YouTubePostMenu />
</div>
</YouTubePostInfo>
</YouTubePost>
),
},
});Use catalog.prompt() to constrain model output, then render the generated spec with the json-render React Renderer. See the json-render Quick Start for the provider and streaming setup.
See the Base UI documentation for more information.