Postfader MCP Server

Name: Postfader MCP Server
Author: io.github.synopsys0

io.github.synopsys0/postfader-fl-studio-mcp

Repository Registry

What is the Postfader MCP server?

Readback-verified FL Studio transport, mixer, channel, sequencer, and plug-in control.

How to install Postfader

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

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.

Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json

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

Cursor

~/.cursor/mcp.json

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

Windsurf

~/.codeium/windsurf/mcp_config.json

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

VS Code

.vscode/mcp.json

{
  "servers": {
    "postfader-fl-studio-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "postfader-fl-studio-mcp"
      ],
      "env": {
        "FL_BRIDGE_ENABLE_MIDI": "<YOUR_FL_BRIDGE_ENABLE_MIDI>",
        "FL_BRIDGE_MIDI_PORT": "<YOUR_FL_BRIDGE_MIDI_PORT>",
        "FL_STUDIO_USER_DATA_DIR": "<YOUR_FL_STUDIO_USER_DATA_DIR>"
      }
    }
  }
}

Claude Code

claude mcp add postfader-fl-studio-mcp --env FL_BRIDGE_ENABLE_MIDI=<YOUR_FL_BRIDGE_ENABLE_MIDI> --env FL_BRIDGE_MIDI_PORT=<YOUR_FL_BRIDGE_MIDI_PORT> --env FL_STUDIO_USER_DATA_DIR=<YOUR_FL_STUDIO_USER_DATA_DIR> -- uvx postfader-fl-studio-mcp