MCP Server · Developer Tools

21st.dev

Search 21st.dev UI components & themes, get their code, and generate new ones with 21st AI.

Tier 1 sealed by lossy-channel-auto
Source
https://21st.dev/mcp
Registry namespace
dev.21st/mcp
Imported from
mcp-registry
Pricing
Open Source
Added
Jul 3, 2026

Seal evidence

Auto-sealed Tier 1 on import from the official MCP Registry. Lossy Channel layers 1–2 to be backfilled by the Foreman.

  • L1-wash

Pinned to 1.0.0

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