FL Studio MCP server: let Claude, Codex, Cursor, or any MCP client read, mix, compose, and edit the project you have open. Read-only by default, every change read back. Windows + macOS.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add postfader --env FL_BRIDGE_ENABLE_MIDI='<FL_BRIDGE_ENABLE_MIDI>' --env FL_BRIDGE_MIDI_PORT='<FL_BRIDGE_MIDI_PORT>' --env FL_STUDIO_USER_DATA_DIR='<FL_STUDIO_USER_DATA_DIR>' -- uvx postfader-fl-studio-mcp~/.codex/config.toml
[mcp_servers.postfader]
command = "uvx"
args = ["postfader-fl-studio-mcp"]
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>" }
# codex mcp add postfader --env FL_BRIDGE_ENABLE_MIDI='<FL_BRIDGE_ENABLE_MIDI>' --env FL_BRIDGE_MIDI_PORT='<FL_BRIDGE_MIDI_PORT>' --env FL_STUDIO_USER_DATA_DIR='<FL_STUDIO_USER_DATA_DIR>' -- uvx postfader-fl-studio-mcp~/.cursor/mcp.json
{
"mcpServers": {
"postfader": {
"command": "uvx",
"args": [
"postfader-fl-studio-mcp"
],
"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": {
"type": "stdio",
"command": "uvx",
"args": [
"postfader-fl-studio-mcp"
],
"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>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"postfader": {
"command": "uvx",
"args": [
"postfader-fl-studio-mcp"
],
"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>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"postfader": {
"command": "uvx",
"args": [
"postfader-fl-studio-mcp"
],
"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>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"postfader": {
"command": "uvx",
"args": [
"postfader-fl-studio-mcp"
],
"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>"
}
}
}
}Environment variables
FL_BRIDGE_ENABLE_MIDIFL_BRIDGE_MIDI_PORTFL_STUDIO_USER_DATA_DIR
Replace the placeholders with your own credentials and keep them out of version control.