Generates images from text prompts using the Black Forest Lab's FLUX model.
Generates images from text prompts using the Black Forest Lab's FLUX model. The flux image generator mcp server wraps that behind the Model Context Protocol, so an assistant can use it through 3 defined tools rather than through you.
An MCP (Model Context Protocol) server for generating images using Black Forest Lab's FLUX model. Uses the latest MCP SDK (v1.7.0).
Everything the assistant can do here goes through one of these:
generateImage — Generates an image based on a text prompt with customizable settingsquickImage — A simplified tool for quickly generating images with default settingsbatchGenerateImages — The batchGenerateImages tool exposed by this server@modelcontextprotocol/server-flux-image-generator on npm is all you need. Most clients run it directly, so configuration is a few lines and a restart.
You will need one environment variable: BFL_API_KEY. The server will not start without them, which is usually why the tools fail to appear on a first run. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.
This sits in the AI and media services group, where several servers overlap in what they claim to do but differ sharply once you actually set them up. Flux Image Generator's toolset — generateImage, quickImage, batchGenerateImages — is a fair guide to whether it matches your workflow. It is maintained by frankdeno; worth a glance at recent repository activity before you build anything load-bearing on it.
We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.
| Tool | What it does |
|---|---|
| generateImage | Generates an image based on a text prompt with customizable settings. |
| quickImage | A simplified tool for quickly generating images with default settings. |
| batchGenerateImages | The batchGenerateImages tool exposed by this server. |
{
"mcpServers": {
"flux-image-generator": {
"command": "npx",
"args": ["-y", "@modelcontextprotocol/server-flux-image-generator"],
"env": {
"BFL_API_KEY": "your-value"
}
}
}
}Add to claude_desktop_config.json, then restart Claude Desktop.
| Variable | Description | Required |
|---|---|---|
| BFL_API_KEY | Credential the server authenticates with. | Yes |
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