Fl MCP Server

AI-powered FL Studio control via MCP - mixing, composition, plugin control, and mix diagnosis through natural language

Local serverstdioPython

What is the Fl MCP server?

Fl MCP server exists for a simple reason — assistants are far more useful when they can act on Fl directly instead of describing what you should do. AI-powered FL Studio control via MCP - mixing, composition, plugin control, and mix diagnosis through natural language.

What you get

flstudio-mcp is a Model Context Protocol (MCP) server that lets Claude Desktop drive FL Studio 2025 directly — the mixer, plugins, piano roll, routing, and project — from plain-language requests. Ask for a mix diagnosis, a vocal chain, a chord progression in a particular scale, or a full arrangement, and Claude carries it out through FL's scripting API and a set of calibrated, safety-checked tools.

What the assistant can call

Once Fl is connected, these are the calls the assistant has available:

  • Composition — The Composition tool exposed by this server

Configuration and credentials

You will need one environment variable: FLSTUDIO_MCP_TRANSPORT. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.

  • Windows 10/11 (tested on Windows 11) or macOS - FL Studio 2025 or newer - Claude Desktop (or any MCP client) - Python 3.10+ - Virtual MIDI ports: - Windows: loopMIDI (download) - macOS: the built-in IAC Driver - Optional: ffmpeg on PATH (for MP3 analysis) Linux is not yet supported — contributions welcome.

Setting it up

Setup follows the usual MCP pattern — install or clone the server, register it in your client's configuration file, restart the client.

Choosing this one

Among the developer tooling options, the useful question is rarely "what can it do" but "what does it cost you to run" — permissions, credentials, and how much of your context its toolset consumes. Fl's toolset — Composition — is a fair guide to whether it matches your workflow. It is maintained by rosasynthesiz; worth a glance at recent repository activity before you build anything load-bearing on it.

SyncDev reviews every entry in this directory against the project's own documentation before publishing, and revisits them as servers change.

Before you rely on it

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • MCP clients confirm each tool call by default. Leave that on until you have watched what the fl mcp server does with a few real requests.

Available tools

ToolWhat it does
CompositionThe Composition tool exposed by this server.

Configuration

  • Windows 10/11 (tested on Windows 11) or macOS - FL Studio 2025 or newer - Claude Desktop (or any MCP client) - Python 3.10+ - Virtual MIDI ports: - Windows: loopMIDI (download) - macOS: the built-in IAC Driver - Optional: ffmpeg on PATH (for MP3 analysis) Linux is not yet supported — contributions welcome.
VariableDescriptionRequired
FLSTUDIO_MCP_TRANSPORTConfiguration value read at startup.Optional

Example prompts to try

  • Use Fl to Composition.

Frequently asked questions

It connects Fl to MCP-compatible AI assistants such as Claude and Cursor, exposing 1 tool (Composition) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with Fl directly.