83trust / 100
21st.dev
by 21st.dev in Developer tools
MCP serverPassing, checked 10 h ago
Find UI components and themes, retrieve code, and generate with hosted 21st AI when enabled.
https://21st.dev/api/mcp- Tools
- -
- behind sign-in or payment
- Uptime
- 100%
- last 30 days
- Response time
- 84 ms
- 145 ms slowest 5%
- Last check
- Passed
- 10 h ago, next any minute now
Reliability
All checks passedSome failedAll failedNot checked
Status and outage history · Atom feed · Watch with other listings
How to connect
Add it to any MCP client that supports remote servers. It asks for sign-in, an API key or payment.
{
"mcpServers": {
"21st-dev": {
"type": "http",
"url": "https://21st.dev/api/mcp"
}
}
}The tool list is behind sign-in or payment, so we can't show it.
Security scan
No findings
We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time |
|---|---|---|---|
| 10 h ago | Passed | 401 | 82 ms |
| 21 h ago | Passed | 401 | 131 ms |
| 31 h ago | Passed | 401 | 69 ms |
| 42 h ago | Passed | 401 | 130 ms |
| 2 days ago | Passed | 401 | 101 ms |
Show 10 older checks
| 3 days ago | Passed | 401 | 104 ms |
| 3 days ago | Passed | 401 | 97 ms |
| 3 days ago | Passed | 401 | 84 ms |
| 4 days ago | Passed | 401 | 91 ms |
| 4 days ago | Passed | 401 | 123 ms |
| 5 days ago | Passed | 401 | 145 ms |
| 5 days ago | Passed | 401 | 67 ms |
| 5 days ago | Passed | 401 | 64 ms |
| 6 days ago | Passed | 401 | 137 ms |
| 6 days ago | Passed | 401 | 150 ms |