MCP-Mirror/playcanvas_editor-mcp-server
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An MCP Server for automating the PlayCanvas Editor using an LLM.
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An MCP Server for automating the PlayCanvas Editor using an LLM.
[!IMPORTANT]
At the moment, the MCP Server needs to be driven by Anthropic's Claude. Our experience shows that the free tier for Claude does not deliver a big enough chat context to operate the MCP Server reliably. Therefore, we strongly recommend subscribing to a Pro Claude account.
Available Tools
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Installation
Run npm install to install all dependencies.
Install Chrome Extension
- Visit
chrome://extensions/and enable Developer mode - Click
Load unpackedand select theextensionsfolder - Load the PlayCanvas Editor. The extension should be loaded.
Run MCP Server
The MCP Server can be driven by Cursor or Claude Desktop.
[!TIP]
We have found Claude Desktop to be generally more reliable.
Claude Desktop
- Install Claude Desktop.
- Go to
Claude>Settings. - Select
Developerand thenEdit Config. - This will open
claude_desktop_config.json, your MCP Config JSON file.
Cursor
- Install Cursor.
- Select
File>Preferences>Cursor Settings. - Click
+ Add new global MCP server. - This will open
mcp.json, your MCP Config JSON file.
[!TIP]
Also inCursor Settings, selectFeaturesand scroll to theChatsection. ActivateEnable auto-run modeto allow the LLM to run MCP tools without requiring constant authorization. You do this at your own risk (but we prefer it)!
MCP Config JSON File
This is how your config should look:
Windows
{
"mcpServers": {
"playcanvas": {
"command": "cmd",
"args": [
"/c",
"npx",
"tsx",
"C:\\path\\to\\mcp-editor\\src\\server.ts"
]
}
}
}
macOS
{
"mcpServers": {
"playcanvas": {
"command": "npx",
"args": [
"tsx",
"/path/to/mcp-editor/src/server.ts"
]
}
}
}
The MCP server and Chrome extension should now be running. You can enter a command!
[!IMPORTANT]
In Cursor, ensure you haveAgentselected.AskandEditmodes will not recognize the MCP Server.
