A design harness for AI coding agents: design systems, design principles, icons and UI review checks.
Setup
Choose your client, copy the config, then fill in any required environment variables.
Local
claude mcp add better-design --env BETTER_DESIGN_API_KEY='<BETTER_DESIGN_API_KEY>' -- npx -y better-design~/.codex/config.toml
[mcp_servers.better-design]
command = "npx"
args = ["-y", "better-design"]
env = { BETTER_DESIGN_API_KEY = "<BETTER_DESIGN_API_KEY>" }
# codex mcp add better-design --env BETTER_DESIGN_API_KEY='<BETTER_DESIGN_API_KEY>' -- npx -y better-design~/.cursor/mcp.json
{
"mcpServers": {
"better-design": {
"command": "npx",
"args": [
"-y",
"better-design"
],
"env": {
"BETTER_DESIGN_API_KEY": "<BETTER_DESIGN_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"better-design": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"better-design"
],
"env": {
"BETTER_DESIGN_API_KEY": "<BETTER_DESIGN_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"better-design": {
"command": "npx",
"args": [
"-y",
"better-design"
],
"env": {
"BETTER_DESIGN_API_KEY": "<BETTER_DESIGN_API_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"better-design": {
"command": "npx",
"args": [
"-y",
"better-design"
],
"env": {
"BETTER_DESIGN_API_KEY": "<BETTER_DESIGN_API_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"better-design": {
"command": "npx",
"args": [
"-y",
"better-design"
],
"env": {
"BETTER_DESIGN_API_KEY": "<BETTER_DESIGN_API_KEY>"
}
}
}
}Remote
claude mcp add --transport http better-design https://better-design.com/api/mcp~/.codex/config.toml
[mcp_servers.better-design]
url = "https://better-design.com/api/mcp"
# codex mcp add better-design --url https://better-design.com/api/mcp~/.cursor/mcp.json
{
"mcpServers": {
"better-design": {
"url": "https://better-design.com/api/mcp"
}
}
}.vscode/mcp.json
{
"servers": {
"better-design": {
"type": "http",
"url": "https://better-design.com/api/mcp"
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"better-design": {
"httpUrl": "https://better-design.com/api/mcp"
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"better-design": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://better-design.com/api/mcp"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"better-design": {
"url": "https://better-design.com/api/mcp"
}
}
}Environment variables
BETTER_DESIGN_API_KEY
Replace the placeholders with your own credentials and keep them out of version control.