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Find UI components and themes, retrieve code, and generate with hosted 21st AI when enabled.
21st.dev is an MCP server entry in ChatHome Skills, sourced from Official MCP Registry and scored 93/100. As a Model Context Protocol server, it exposes tools that MCP-compatible LLM clients such as Claude, Cursor, and Copilot can call directly, extending an agent's reach beyond its built-in capabilities. ChatHome Skills discovered this entry through its daily ingest of official registries and GitHub discovery queries, and re-verifies repository facts, freshness signals, and install metadata on every run. The quality score weighs official-registry presence, a working install command, license clarity, GitHub star trajectory, and repository freshness — the full formula is on the Sources page. The install command above is ready to copy. Review the last-pushed date and repository status before adding 21st.dev to a production agent workflow; the snapshot facts below are point-in-time values from the most recent ingest.
mcp add dev.21st/mcp https://21st.dev/api/mcpReview the upstream source before running this command.
{
"_meta": {
"io.modelcontextprotocol.registry/official": {
"status": "active",
"isLatest": true,
"updatedAt": "2026-09-09T19:57:35.934165Z",
"publishedAt": "2026-09-09T19:57:35.934165Z",
"statusChangedAt": "2026-09-09T19:57:35.934165Z"
}
},
"server": {
"name": "dev.21st/mcp",
"title": "21st.dev",
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"remotes": [
{
"url": "https://21st.dev/api/mcp",
"type": "streamable-http",
"headers": [
{
"name": "x-api-key",
"isSecret": true,
"isRequired": true,
"description": "Your 21st.dev API key from https://21st.dev/settings/api-keys. Authentication is required for discovery and tool calls. Generation tools are listed only when the account has hosted AI access."
}
]
}
],
"version": "1.0.1",
"websiteUrl": "https://21st.dev/mcp",
"description": "Find UI components and themes, retrieve code, and generate with hosted 21st AI when enabled."
}
}