Test whether 3D assets survive Apple Quick Look and Safari <model>, then fix what fails
Connect Runs on your machine
claude mcp add mcp -e SPATIALPACK_MCP_SANDBOX=<SPATIALPACK_MCP_SANDBOX> -e SPATIALPACK_MCP_LOG=<SPATIALPACK_MCP_LOG> -- npx -y @spatialpack/[email protected]{
"mcpServers": {
"mcp": {
"command": "npx",
"args": [
"-y",
"@spatialpack/[email protected]"
],
"env": {
"SPATIALPACK_MCP_SANDBOX": "<SPATIALPACK_MCP_SANDBOX>",
"SPATIALPACK_MCP_LOG": "<SPATIALPACK_MCP_LOG>"
}
}
}
}{
"mcpServers": {
"mcp": {
"command": "npx",
"args": [
"-y",
"@spatialpack/[email protected]"
],
"env": {
"SPATIALPACK_MCP_SANDBOX": "<SPATIALPACK_MCP_SANDBOX>",
"SPATIALPACK_MCP_LOG": "<SPATIALPACK_MCP_LOG>"
}
}
}
}{
"servers": {
"mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@spatialpack/[email protected]"
],
"env": {
"SPATIALPACK_MCP_SANDBOX": "<SPATIALPACK_MCP_SANDBOX>",
"SPATIALPACK_MCP_LOG": "<SPATIALPACK_MCP_LOG>"
}
}
}
}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 |
|---|---|
SPATIALPACK_MCP_SANDBOXOptional | Sandbox root for asset reads and writes, equivalent to --sandbox. Defaults to a per-process temp directory. |
SPATIALPACK_MCP_LOGOptional | Log level for the JSON-Lines diagnostic stream on stderr: debug, info, warn, error, or silent. Defaults to info. |
Details
| Package | @spatialpack/[email protected] (NPM, stdio) |
| First published | 28 Jul 2026 |
| Last updated | 28 Jul 2026 |
| Registry name | dev.spatialpack/mcp |
More developer tools servers See all
Listing data from the official MCP registry. Status and tools from NestDaddy's daily check. Browse all MCP servers.