# 21st Dev

> The 21st CLI: search, retrieve and install 21st.dev components from your terminal, and configure the 21st MCP for your editor.

## Facts
- Page: https://tashan.sh/capability/pkg-21st-dev-cli
- tashan id: pkg:@21st-dev/cli
- Source: https://github.com/21st-dev/cli
- npm: https://www.npmjs.com/package/@21st-dev/cli
- Type: npm
- Category: other
- tashan score: 79.0 / 100
- Adoption: 54.0
- Upkeep: 100.0
- Freshness: 99.0
- Evidence coverage: 100% of the inputs this score can use
- Health: active
- Instruction depth: not yet graded
- npm downloads: 7,210/week
- License: MIT
- Official: no

## Install

```sh
claude mcp add 21st-dev-cli -- npx -y @21st-dev/cli
```

## Security audit
- Known advisories: 0
- Install-time script: none declared
- Build provenance: not attested

Permissions are read from DECLARED dependencies only. Nothing is executed, so an empty result means "nothing declared", never "nothing possible".

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Measured 2026-08-25 by tashan (https://tashan.sh) from public evidence. Scorer s5.