May 11, 2026 · Black Forest Labs
Official FLUX MCP server available at mcp.bfl.ai
The official FLUX MCP server is live at https://mcp.bfl.ai — generate, edit, vary, and browse FLUX images directly inside Claude, Cursor, Codex, Windsurf, or any MCP-compatible client.
Key Features
- OAuth sign-in — Connect with your BFL account; no API keys to paste into the conversation
- All FLUX.2 models — Pro, Max, Klein 4B/9B, and Flex, plus the FLUX Tools
- Full creative loop — Generate options in parallel, edit attached images through prompts, branch into variations from any result, and browse your generation history
Get started in the MCP integration documentation or see the GitHub repository.
Latest Black Forest Labs API changes
FLUX 3 Image adds exact width and height and match_input resolution for edits
FLUX 3 Image Klein released, a 5.6B open-weights model from $0.008 per image
FLUX 3 Image released, with bounding boxes in prompts and up to 4K output
FLUX 3 video API adds qhd (2K) and uhd (4K) resolutions, from $0.40/s
Automatic credit recharge added, with a threshold and target balance