PostFader

io.github.synopsys0/postfader-fl-studio-mcp · v12.0.3

FL Studio MCP server: read, mix, compose, and edit your open FL Studio project from any MCP client.

Source code Set it up

Connect Runs on your machine

Terminal

claude mcp add postfader-fl-studio-mcp -e FL_BRIDGE_ENABLE_MIDI=<FL_BRIDGE_ENABLE_MIDI> -e FL_BRIDGE_MIDI_PORT=<FL_BRIDGE_MIDI_PORT> -e FL_STUDIO_USER_DATA_DIR=<FL_STUDIO_USER_DATA_DIR> -- uvx postfader-fl-studio-mcp==12.0.3

claude_desktop_config.json

{
  "mcpServers": {
    "postfader-fl-studio-mcp": {
      "command": "uvx",
      "args": [
        "postfader-fl-studio-mcp==12.0.3"
      ],
      "env": {
        "FL_BRIDGE_ENABLE_MIDI": "<FL_BRIDGE_ENABLE_MIDI>",
        "FL_BRIDGE_MIDI_PORT": "<FL_BRIDGE_MIDI_PORT>",
        "FL_STUDIO_USER_DATA_DIR": "<FL_STUDIO_USER_DATA_DIR>"
      }
    }
  }
}

~/.cursor/mcp.json

{
  "mcpServers": {
    "postfader-fl-studio-mcp": {
      "command": "uvx",
      "args": [
        "postfader-fl-studio-mcp==12.0.3"
      ],
      "env": {
        "FL_BRIDGE_ENABLE_MIDI": "<FL_BRIDGE_ENABLE_MIDI>",
        "FL_BRIDGE_MIDI_PORT": "<FL_BRIDGE_MIDI_PORT>",
        "FL_STUDIO_USER_DATA_DIR": "<FL_STUDIO_USER_DATA_DIR>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "postfader-fl-studio-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "postfader-fl-studio-mcp==12.0.3"
      ],
      "env": {
        "FL_BRIDGE_ENABLE_MIDI": "<FL_BRIDGE_ENABLE_MIDI>",
        "FL_BRIDGE_MIDI_PORT": "<FL_BRIDGE_MIDI_PORT>",
        "FL_STUDIO_USER_DATA_DIR": "<FL_STUDIO_USER_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
`FL_BRIDGE_ENABLE_MIDI` Required	Set to 1 to build the MIDI SysEx transport. Without it the server cannot reach FL Studio.
`FL_BRIDGE_MIDI_PORT` Required	Exact virtual MIDI endpoint name shared with FL Studio. PostFader does not install or configure a virtual MIDI provider.
`FL_STUDIO_USER_DATA_DIR` Required	Absolute FL Studio user-data directory containing Settings/Hardware.

Details

Package	`[email protected]` (PYPI, stdio)
First published	5 Oct 2026
Last updated	5 Oct 2026
Registry name	`io.github.synopsys0/postfader-fl-studio-mcp`

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Live status

Local install

Installed and run on your own machine, so there is no public endpoint to check.

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