three.js for coding agents: version-pinned API and review, assets, headless runs, perf, 3D models.
Connect Runs on your machine
claude mcp add threesmith -e THREESMITH_CHROMIUM=<THREESMITH_CHROMIUM> -- npx -y [email protected]
{
"mcpServers": {
"threesmith": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"THREESMITH_CHROMIUM": "<THREESMITH_CHROMIUM>"
}
}
}
}
{
"mcpServers": {
"threesmith": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"THREESMITH_CHROMIUM": "<THREESMITH_CHROMIUM>"
}
}
}
}
{
"servers": {
"threesmith": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"THREESMITH_CHROMIUM": "<THREESMITH_CHROMIUM>"
}
}
}
}
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 |
|---|---|
THREESMITH_CHROMIUMOptional | Path to a Chromium binary for three_check (default: Playwright's Chromium) |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 12 Nov 2026 |
| Last updated | 12 Nov 2026 |
| Registry name | io.github.laaielichter/threesmith |
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