UISandbox MCP Server
by alexanderkaanio.github.AlexanderKaan/uisandboxv0.3.2
Test your design on the real thing: load a built web app, turn its knobs, verify 1:1, export.
context tax
queued
security
queued
cold start
queued
freshness
Deprecated40d ago
Install UISandbox MCP server
Install in Claude Code
claude mcp add uisandbox -- npx -y uisandbox-mcpInstall in Cursor
{
"mcpServers": {
"uisandbox": {
"command": "npx",
"args": [
"-y",
"uisandbox-mcp"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"uisandbox": {
"command": "npx",
"args": [
"-y",
"uisandbox-mcp"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"uisandbox": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"uisandbox-mcp"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"uisandbox": {
"command": "npx",
"args": [
"-y",
"uisandbox-mcp"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| UISANDBOX_URL | — | — | The app the render tools drive (verify, screenshot). Default https://uisandbox.org |
Freshness
Deprecated — last maintenance signal 40d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-08-30 · 40d ago · GitHub
Latest release
2026-08-30 · 41d ago · GitHub · v0.3.3
Package published
no data · npm/PyPI
Registry entry updated
2026-08-30 · 40d ago · official registry · v0.3.2
FAQ
›How do I install the UISandbox MCP server in Claude Code?
Run: claude mcp add uisandbox -- npx -y uisandbox-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does UISandbox require an API key?
No required environment variables are declared in its published metadata.
›Can I use UISandbox as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is UISandbox in the official MCP registry?
Yes, as io.github.AlexanderKaan/uisandbox.
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