Three.js DevTools MCP Server
by dmitriygolubio.github.DmitriyGolub/threejs-devtoolsv0.2.1
Inspect and edit Three.js scenes, materials, shaders, lights in real time from any AI agent
context tax
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security
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cold start
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freshness
Stale7mo ago
Install Three.js DevTools MCP server
Install in Claude Code
claude mcp add threejs-devtools -- npx -y threejs-devtools-mcpInstall in Cursor
{
"mcpServers": {
"threejs-devtools": {
"command": "npx",
"args": [
"-y",
"threejs-devtools-mcp"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"threejs-devtools": {
"command": "npx",
"args": [
"-y",
"threejs-devtools-mcp"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"threejs-devtools": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"threejs-devtools-mcp"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"threejs-devtools": {
"command": "npx",
"args": [
"-y",
"threejs-devtools-mcp"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| DEV_PORT | — | — | Dev server port to proxy (auto-detected from package.json if not set) |
| BRIDGE_PORT | — | — | Bridge proxy port (default: 9222) |
| BROWSER | — | — | Set to 'none' to disable auto-opening browser |
| HEADLESS | — | — | Set to 'true' for headless browser mode (CI) |
| CHROME_PATH | — | — | Custom Chrome/Edge executable path |
Freshness
Stale — last maintenance signal 7mo ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-03-23 · 7mo ago · GitHub
Latest release
2026-03-23 · 7mo ago · GitHub · v0.4.1
Package published
no data · npm/PyPI
Registry entry updated
2026-03-16 · 7mo ago · official registry · v0.2.1
FAQ
›How do I install the Three.js DevTools MCP server in Claude Code?
Run: claude mcp add threejs-devtools -- npx -y threejs-devtools-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Three.js DevTools require an API key?
No required environment variables are declared in its published metadata.
›Can I use Three.js DevTools as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Three.js DevTools in the official MCP registry?
Yes, as io.github.DmitriyGolub/threejs-devtools.