FLUX MCP: Use FLUX in Claude and ChatGPT
The Predis.ai MCP gives Claude, ChatGPT and Claude Code 8 FLUX image versions and FLUX 3 for video. Draft on a low-cost version, finish on FLUX.2 [max], and see the credits before each one runs.
Draft on a low-cost version, finish on FLUX.2 [max]
Run the idea on FLUX.1 [schnell] until the layout is right, then send the same prompt to FLUX.2 [pro] or FLUX.2 [max] for the final. When the image is set, FLUX 3 can use it as the first frame of a clip.
One prompt“Flat-lay of a folded linen shirt with a sprig of lavender, soft window light.”
![Draft from FLUX.1 [schnell]: a folded linen shirt with lavender](assets/flux-draft.webp)
- Draft
- FLUX.1 [schnell]
- 0.24 credits
![Option from FLUX.2 [pro]: the same flat-lay, sharper](assets/flux-option.webp)
- Option
- FLUX.2 [pro]
- 2 credits
![Final from FLUX.2 [max]: the linen shirt flat-lay in soft window light](assets/flux-final.webp)
- Final
- FLUX.2 [max]
- 6 credits
- Clip
- FLUX 3
- 69 credits
Nine image shapes, plus a 21:9 video banner
FLUX.2 [max] makes 1:1, 4:5, 5:4, 3:2, 2:3, 4:3, 3:4, 16:9 and 9:16 images. FLUX 3 adds 21:9 and 2:1 for video headers and banners.
Pick a shape to see the final linen shirt image cropped to it. The dashed outline is the 21:9 video shape.
Every FLUX version on the Predis.ai MCP
Credits are per image at the default size; larger sizes can cost more. Your assistant quotes the exact number first.
Images
- FLUX.1 [schnell]The quickest drafts, from text.0.24 credits
- FLUX.1 [dev]Low-cost drafts that can start from a photo.2 credits
- FLUX.2 [pro]Everyday images from text or up to 10 reference images.2 credits
- FLUX 1.1 [pro]Images from text.3 credits
- FLUX 3 ImageImages up to 4K in 16 shapes, from text or up to 10 references.4 credits
- FLUX 1.1 [pro] UltraWide images up to 21:9, from text or one photo.5 credits
- FLUX.2 [flex]Images from text or up to 10 references, up to 4 MP.5 credits
- FLUX.2 [max]Finals up to 4 MP, with up to 10 reference images.6 credits
Video
Clips of 5 to 20 seconds at 720p or 1080p, with sound on by default. Start and end on images you choose.
- 14 credits per second
- First and last frame
Connect Predis.ai and FLUX is in the chat
Sign in with your Predis.ai account. There's no API key to copy, and your brand kit and saved products come with you.
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Open Connectors
In Claude on the web or Claude Desktop, go to Settings, then Connectors.
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Add a custom connector
Name it Predis.ai and paste the MCP server URL below.
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Sign in and ask
Click Connect, sign in with your Predis.ai account and start a new chat.
Then try: “Use Predis.ai with FLUX.1 [schnell] to draft 4 versions of [your product] at 3:2, then remake the best one on FLUX.2 [max].”
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Add a custom MCP server
In ChatGPT on your desktop browser, open Settings, then Apps (or Plugins, depending on your account). Select +, then Add custom MCP server.
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Connect it to Predis.ai
Name it Predis.ai, paste the MCP server URL below under Connection, and sign in with your Predis.ai account.
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Create the plugin and ask
Review the security warning, select Create as a plugin, then install it. Start a new chat and type @Predis.ai.
Then try: “Use Predis.ai with FLUX.1 [schnell] to draft 4 versions of [your product] at 3:2, then remake the best one on FLUX.2 [max].”
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Add the server
Run the command below in your terminal.
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Sign in
Type /mcp in Claude Code and sign in with your Predis.ai account.
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Make ads in bulk
Point it at a product feed or a CSV, and it makes ads for every row.
Then try: “Use Predis.ai with FLUX.1 [schnell] to draft 4 versions of [your product] at 3:2, then remake the best one on FLUX.2 [max].”
Draft images for a whole catalog in Claude Code
Point Claude Code at a CSV and run every row on a low-cost FLUX version first, then remake only the ones you keep on FLUX.2 [max]. You see the batch cost before it starts.
Set up Claude Code| Product | Draft | Final | Status |
|---|---|---|---|
| Linen shirt | ![FLUX.1 [schnell] draft of the linen shirt](assets/cat-draft-1.webp) | Not kept | Draft |
| Canvas sneaker | ![FLUX.1 [schnell] draft of the canvas sneaker](assets/cat-draft-2.webp) | ![FLUX.2 [max] final of the canvas sneaker](assets/cat-final-1.webp) | Kept |
| Ceramic mug | ![FLUX.1 [schnell] draft of the ceramic mug](assets/cat-draft-3.webp) | Not kept | Draft |
| Leather wallet | ![FLUX.1 [schnell] draft of the leather wallet](assets/cat-draft-4.webp) | ![FLUX.2 [max] final of the leather wallet](assets/cat-final-2.webp) | Kept |
| Wool beanie | ![FLUX.1 [schnell] draft of the wool beanie](assets/cat-draft-5.webp) | Not kept | Draft |
| Glass carafe | ![FLUX.1 [schnell] draft of the glass carafe](assets/cat-draft-6.webp) | Not kept | Draft |
Frequently Asked Questions
What is the FLUX MCP?
The Predis.ai MCP is a remote MCP server that gives Claude, ChatGPT and Claude Code access to 8 FLUX image versions and FLUX 3 for video. Your brand kit and saved products come with it.
Which FLUX versions can I use?
For images, FLUX.2 [max], FLUX.2 [flex], FLUX.2 [pro], FLUX 1.1 [pro] Ultra, FLUX 1.1 [pro], FLUX 3 Image, FLUX.1 [dev] and FLUX.1 [schnell]. For video, FLUX 3.
Which FLUX version costs the least?
FLUX.1 [schnell], at 0.24 credits per image. Your assistant shows the exact credits before each one runs.
Can I use reference images?
Yes. FLUX.2 [max], FLUX.2 [flex], FLUX.2 [pro] and FLUX 3 Image take up to 10 reference images, and FLUX.1 [dev] and FLUX 1.1 [pro] Ultra take 1. FLUX.1 [schnell] and FLUX 1.1 [pro] work from text.
What resolutions can FLUX.2 [max] make?
0.5, 1, 2 or 4 megapixels, in 9 aspect ratios.
Can FLUX make video?
Yes, with FLUX 3. Clips run 5 to 20 seconds at 720p or 1080p, with sound on by default, and can start and end on images you choose.
Do I need a Black Forest Labs account or API key?
No. You sign in with your Predis.ai account, and each image or clip uses credits from your Predis.ai plan.
Is there a free trial?
Yes, for 3 days. A card is required, your first charge is on day 4, and you can cancel anytime before then.
Draft on one FLUX version and finish on another, in one chat
Connect Predis.ai once and every FLUX version is a sentence away.
Connect Predis.ai MCP