CatchUI MCP
A read-only MCP server that allows AI assistants to search a curated catalog of 50 UI patterns. It provides bilingual (English and Chinese) definitions, component names across platforms like SwiftUI and Flutter, comparisons between similar patterns, and ready-to-use implementation prompts for developers.
Endpoint and access
No sign-in: your client connects and lists tools immediately, with no account or key.
MCP endpoint (Streamable HTTP)
https://catchui.com/api/mcpWhat you can do with it
- Identify the name of a UI element from a plain-language description
- Get component names in SwiftUI, UIKit, Flutter, and HTML
- Compare differences between similar UI patterns like modal vs popover
- Retrieve implementation prompts for building specific UI components
search_ui_patternsget_ui_patternlist_ui_patternscompare_ui_patternsget_ui_component_namesget_implementation_prompt
Connect from your client
Each snippet registers the same endpoint; pick the client you use.
Claude Code
Claude Code configuration
claude mcp add --transport http catchui-mcp https://catchui.com/api/mcpCodex
Codex configuration
codex mcp add catchui-mcp --url https://catchui.com/api/mcpCursor
Cursor configuration
{
"mcpServers": {
"catchui-mcp": {
"url": "https://catchui.com/api/mcp"
}
}
}Cline
Cline configuration
{
"mcpServers": {
"catchui-mcp": {
"type": "streamableHttp",
"url": "https://catchui.com/api/mcp",
"disabled": false
}
}
}VS Code
VS Code configuration
{
"servers": {
"catchui-mcp": {
"type": "http",
"url": "https://catchui.com/api/mcp"
}
}
}Gemini CLI
Gemini CLI configuration
gemini mcp add --transport http catchui-mcp https://catchui.com/api/mcpClaude Desktop
Claude Desktop configuration
{
"mcpServers": {
"catchui-mcp": {
"url": "https://catchui.com/api/mcp"
}
}
}Windsurf
Windsurf configuration
{
"mcpServers": {
"catchui-mcp": {
"serverUrl": "https://catchui.com/api/mcp"
}
}
}Other design servers
Do you run CatchUI MCP?
Prove ownership with a DNS record, a well-known file, or your Official MCP Registry entry, and your edits publish immediately. Proofs are re-checked weekly; admins can still hide or remove a listing.