Control a NUX MG-30 guitar processor over USB MIDI: amps, effects, knobs and presets.
Connect Runs on your machine
claude mcp add nux-mg30-mcp -e MG30_PORT=<MG30_PORT> -e MG30_CHANNEL=<MG30_CHANNEL> -e MG30_DATA_DIR=<MG30_DATA_DIR> -- uvx nux-mg30-mcp==0.1.1
{
"mcpServers": {
"nux-mg30-mcp": {
"command": "uvx",
"args": [
"nux-mg30-mcp==0.1.1"
],
"env": {
"MG30_PORT": "<MG30_PORT>",
"MG30_CHANNEL": "<MG30_CHANNEL>",
"MG30_DATA_DIR": "<MG30_DATA_DIR>"
}
}
}
}
{
"mcpServers": {
"nux-mg30-mcp": {
"command": "uvx",
"args": [
"nux-mg30-mcp==0.1.1"
],
"env": {
"MG30_PORT": "<MG30_PORT>",
"MG30_CHANNEL": "<MG30_CHANNEL>",
"MG30_DATA_DIR": "<MG30_DATA_DIR>"
}
}
}
}
{
"servers": {
"nux-mg30-mcp": {
"type": "stdio",
"command": "uvx",
"args": [
"nux-mg30-mcp==0.1.1"
],
"env": {
"MG30_PORT": "<MG30_PORT>",
"MG30_CHANNEL": "<MG30_CHANNEL>",
"MG30_DATA_DIR": "<MG30_DATA_DIR>"
}
}
}
}
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 |
|---|---|
MG30_PORTOptional | Substring of the MIDI port name (default: auto-detect) |
MG30_CHANNELOptional | MIDI channel set on the device, 1-16 (default 1) |
MG30_DATA_DIROptional | Where backups, patch files and logs are stored (default ~/.nux-mg30-mcp) |
Details
| Package | [email protected] (PYPI, stdio) |
| First published | 30 Sep 2026 |
| Last updated | 30 Sep 2026 |
| Registry name | io.github.voronkovd/nux-mg30-mcp |
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