PostFader MCP Server: Install & Setup

Install PostFader in Claude Code

Claude Code

claude mcp add postfader -e FL_BRIDGE_ENABLE_MIDI=... -e FL_BRIDGE_MIDI_PORT=... -e FL_STUDIO_USER_DATA_DIR=... -- uvx postfader-fl-studio-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

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

Replace each ... with your own value.

Frequently asked questions

What does the PostFader MCP server do?

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

Is the PostFader MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does PostFader run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add PostFader to Claude Code?

Run: claude mcp add postfader -e FL_BRIDGE_ENABLE_MIDI=... -e FL_BRIDGE_MIDI_PORT=... -e FL_STUDIO_USER_DATA_DIR=... -- uvx postfader-fl-studio-mcp

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