Text-to-3D city buildings: natural language to CGA rules to rendered glTF models.
Connect Runs on your machine
claude mcp add cityengine-mcp -e CITYENGINE_API_KEY=<CITYENGINE_API_KEY> -e CITYENGINE_GATEWAY_BASE=<CITYENGINE_GATEWAY_BASE> -- docker run -i --rm ghcr.io/cgajs/cityengine-mcp:0.1.0{
"mcpServers": {
"cityengine-mcp": {
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"ghcr.io/cgajs/cityengine-mcp:0.1.0"
],
"env": {
"CITYENGINE_API_KEY": "<CITYENGINE_API_KEY>",
"CITYENGINE_GATEWAY_BASE": "<CITYENGINE_GATEWAY_BASE>"
}
}
}
}{
"mcpServers": {
"cityengine-mcp": {
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"ghcr.io/cgajs/cityengine-mcp:0.1.0"
],
"env": {
"CITYENGINE_API_KEY": "<CITYENGINE_API_KEY>",
"CITYENGINE_GATEWAY_BASE": "<CITYENGINE_GATEWAY_BASE>"
}
}
}
}{
"servers": {
"cityengine-mcp": {
"type": "stdio",
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"ghcr.io/cgajs/cityengine-mcp:0.1.0"
],
"env": {
"CITYENGINE_API_KEY": "<CITYENGINE_API_KEY>",
"CITYENGINE_GATEWAY_BASE": "<CITYENGINE_GATEWAY_BASE>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
CITYENGINE_API_KEYRequired, secret | API key for CityEngine Cloud (get one at https://www.cityengine.cn/plugins.html) |
CITYENGINE_GATEWAY_BASEOptional | Override gateway base URL (default https://api.cityengine.cn) |
Details
| Package | ghcr.io/cgajs/cityengine-mcp:0.1.0 (OCI, stdio) |
| First published | 13 Nov 2026 |
| Last updated | 13 Nov 2026 |
| Registry name | io.github.cgajs/cityengine-mcp |
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