Is 21st.dev Magic safe to install?
21st.dev · Dev tools · stdio (local process)
Generate polished UI components from natural language descriptions.
Capabilities
What 21st.dev Magic declares it can do
A server's blast radius is the most powerful thing each of its tools can do. This grades the tools it declares, read-only, not whether it is secure.
- Execute0
- Delete0
- Write0
- Read4
21st.dev Magic declares no high-impact capabilities that AxioRank flags. A minimal grade means a small blast radius, not an endorsement.
Tools
Every tool 21st.dev Magic exposes
4 tools
Control
Govern 21st.dev Magic with AxioRank
Installed as-is, all 4 of 21st.dev Magic's tools are callable by your agent without restriction, including any that write, delete, or execute.
Flip the switch to see the policy AxioRank would apply.
Install
Add 21st.dev Magic to your client
Drop this into your MCP client config (Claude Desktop, Cursor, and others).
{
"mcpServers": {
"21st-dev-magic": {
"command": "npx",
"args": [
"-y",
"@21st-dev/magic@latest"
]
}
}
}Embed
Show the grade in your README
[](https://axiorank.com/mcp-index/21st-dev-magic)Directory
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How it works
About this grade
The grade reflects the blast radius of what 21st.dev Magic declares it can do, read-only, not whether it is secure or trustworthy, and not a judgment of the vendor. Maintain this server? Claim this listing or request a re-scan. See the methodology.
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Let your agents use 21st.dev Magic safely
Route this server through AxioRank to allowlist its tools, hold risky calls for approval, and keep a signed audit trail of every action.
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