---
bezeichner: "dev.21st/mcp"
art: "mcp_server"
slug: "dev-21st-mcp"
paketkoordinate: "name:dev.21st/mcp"
status: "aktiv"
homepage: "https://21st.dev/mcp"
erhebungsstand: "2026-10-10T01:17:01.464Z"
namensraum: "dev.21st"
registerseite: "https://tracevero.com/mcp/dev-21st-mcp"
abgerufen_am: "2026-10-10"
zugangsdaten_erforderlich: true
ausfuehrungsort: "entfernt"
dateisystem_pfadargument: false
quelloffen_einsehbar: false
roh_beschreibung: "Find UI components and themes, retrieve code, and generate with hosted 21st AI when enabled."
version: "1.0.1"
roh_umgebungsvariablen: ""
roh_geheime_pflichtvariablen: ""
roh_transportarten: "streamable-http"
roh_pfadargumente: ""
roh_repository_url: ""
roh_paketquellen: ""
roh_geheime_pflichtkopfzeilen: "x-api-key"
roh_pfad_umgebungsvariablen: ""
roh_remote_adressen: "https://21st.dev/api/mcp"
roh_remote_hosts: "21st.dev"
roh_statusmeldung: ""
roh_veroeffentlicht_am: "2026-09-09"
roh_aktualisiert_am: "2026-09-09"
roh_schemafassung: "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json"
roh_bereitstellungsform: "remote"
roh_repository_quelle: ""
roh_repository_unterordner: ""
roh_paketbezeichner: ""
roh_paketversionen: ""
roh_laufzeithinweise: ""
roh_umgebungsformate: ""
roh_umgebungsbeschreibungen: ""
roh_symbolformate: ""
roh_verbindungswege: "{\"packages\":[],\"remotes\":[{\"url\":\"https://21st.dev/api/mcp\",\"transport\":\"streamable-http\",\"headers\":[{\"name\":\"x-api-key\",\"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.\",\"required\":true,\"secret\":true}]}]}"
---

# 21st.dev

## Measured values

| Property | Value | Source | Collected on | Level of trust | Raw declaration |
| --- | --- | --- | --- | --- | --- |
| Required secrets declared | true | MCP-Register | 2026-08-16T01:17:01.420Z | abgeleitet | roh_geheime_pflichtvariablen: ; roh_geheime_pflichtkopfzeilen: x-api-key |
| Execution location | entfernt | MCP-Register | 2026-08-06T13:57:41.838Z | abgeleitet | roh_transportarten: streamable-http |
| Path argument present | false | MCP-Register | 2026-08-06T13:57:41.838Z | abgeleitet | roh_pfadargumente: ; roh_pfad_umgebungsvariablen: |
| Repository URL listed | false | MCP-Register | 2026-08-06T13:57:41.838Z | abgeleitet | roh_repository_url: |
| Description (raw) | Find UI components and themes, retrieve code, and generate with hosted 21st AI when enabled. | MCP-Register | 2026-09-10T01:17:02.024Z | selbstauskunft |  |
| Declared version | 1.0.1 | MCP-Register | 2026-09-10T01:17:02.024Z | selbstauskunft |  |
| Environment variables (raw) |  | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Required secret variables (raw) |  | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Transports (raw) | streamable-http | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Path arguments (raw) |  | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Repository (raw) |  | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Package registries (raw) |  | MCP-Register | 2026-08-06T13:57:41.838Z | selbstauskunft |  |
| Required secret headers (raw) | x-api-key | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Path environment variables (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Remote URLs (raw) | https://21st.dev/api/mcp | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Remote hosts (raw) | 21st.dev | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Registry status message (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| First listed in the registry (raw) | 2026-09-09 | MCP-Register | 2026-09-10T01:17:02.024Z | selbstauskunft |  |
| Last changed in the registry (raw) | 2026-09-09 | MCP-Register | 2026-09-10T01:17:02.024Z | selbstauskunft |  |
| Schema version of the raw record (raw) | https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Delivery form (raw) | remote | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Repository platform (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Repository subfolder (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Package identifiers (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Package versions (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Runtime hints (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Environment variable formats (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Environment variable descriptions (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Icon formats (raw) |  | MCP-Register | 2026-08-16T01:17:01.420Z | selbstauskunft |  |
| Connection paths (source structure) | {"packages":[],"remotes":[{"url":"https://21st.dev/api/mcp","transport":"streamable-http","headers":[{"name":"x-api-key","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.","required":true,"secret":true}]}]} | MCP-Register | 2026-09-10T01:17:02.024Z | selbstauskunft |  |

## Links

- Namespace: [[namensraum/dev-21st|dev.21st]]

---

- Registry page: <https://tracevero.com/mcp/dev-21st-mcp>
- Retrieved on: 2026-10-10