Magic MCP

by 21st-dev• 6.3k•• Scanned•Claim this listing•Request removal
Design & Media21stclaudecursormcpmodel context protocol

It's like v0, but in your Cursor / Claude Code / Windsurf: search 10,000+ React/Tailwind components, generate new UI with AI, and publish your own — right from your editor. Magic MCP is now the 21st MCP; this package keeps old configs working. Setup: 21st.dev/mcp

Magic MCP is an open-source mcp server by 21st-dev, written mainly in TypeScript, with 6,330 GitHub stars and the ISC license. Its code was last updated Sep 9, 2026.

Scan summary: scanned Nov 5, 2026 at commit 6b5299e. Seen able to read environment and secrets. Scan policy

aboutREADMEsecurityreviews
Scanned
Full scan at 6b5299e · Nov 5, 2026
Scanned Builds
Static code scanpass
Secrets scanpass
Dependency audit11 known vulnerabilitieswarn
Manifestserver.jsonpass
Buildpass
Boot & handshakefail
Network egressn/a
Reproducible (×3)n/a

Findings (4)

  • medium
    brace-expansion@1.1.11: 8 known vulnerabilities
    GHSA-3jxr-9vmj-r5cp, GHSA-6j4f-fj2g-mc7p, GHSA-f886-m6hf-6m8v, GHSA-mh99-v99m-4gvg, GHSA-q2hr-2g5m-vwhr +3 more
    package-lock.json
  • medium
    minimatch@3.1.2: 3 known vulnerabilities
    GHSA-23c5-xmqv-rm74, GHSA-3ppc-4f35-3m26, GHSA-7r86-cg39-jmmj
    package-lock.json
  • medium
    MCP server didn't complete the protocol handshake
    Not authenticated - your API key is missing or was reset. Get a fresh key at https://21st.dev/mcp and update your MCP config (x-api-key / Bearer).
  • low
    Reads environment variables not listed in the manifest
    TWENTY_FIRST_API_KEY, API_KEY_21ST, API_KEY, MCP_URL_21ST

Network activity

During install
registry.npmjs.org
While running
Not run — the code wasn't started in this scan

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