Best MCP for image generation: 5 servers side by side
Five hosted MCP servers generate images: fal, Higgsfield, Replicate, Runway, and Sume. Their URLs, sign-in, models, and billing, from each vendor's page.

There is no single best MCP server for image generation: the right one depends on which models you want, how you sign in, and how you pay. This page compares five vendors whose own docs describe a hosted MCP server that makes images from Claude, Cursor, and other MCP clients: fal, Higgsfield, Replicate, Runway, and Sume.
Each vendor's facts below come only from its own pages, read on 2026-09-28; Sume's come from its MCP overview and Image API docs. The table is alphabetical and ranks nothing. Claude itself can't draw; it calls a tool like these (Can Claude generate images?).
Which MCP servers can generate images?
All five are remote servers you add by URL. They differ in sign-in, model range, and billing.
| Server | URL | Sign-in | Models | Billing |
|---|---|---|---|---|
| fal | https://mcp.fal.ai/mcp | fal API key as a Bearer header, or fal sign-in through the plugin and OAuth connectors | Searches a catalog of 1,000+ models; 11 tools, including run_model and get_pricing | The MCP server is free; you pay for model runs at direct API prices |
| Higgsfield | https://mcp.higgsfield.ai/mcp | Higgsfield account; no API key | 30+ models; images up to 4K | Credits from your Higgsfield plan, by model and resolution |
| Replicate | https://mcp.replicate.com/sse | Replicate API token, pasted during the connect flow | Thousands of models through Replicate's HTTP API | Pay-as-you-go, billed for compute time |
| Runway | https://mcp.runwayml.com/mcp | Runway account; no API key | Includes GPT Image 2, Nano Banana Pro, and Gen-4 Image, based on your Runway plan | Runway credits; cost depends on model, resolution, and settings |
| Sume | https://mcp.sume.com/mcp | OAuth (read-only until you turn Write on) or a Sume API key | Sume's image catalog, such as Seedream 4.5, through generate_image; image-models_list lists the ids | Wallet; a completed image is billed in full, a failed one is not billed |
Which image MCP server should I pick?
Match the server to what you already use:
- Pick fal if you want to search a large catalog and check a model's price with
get_pricingbefore you run it. - Pick Higgsfield if you already pay for a Higgsfield plan and want its credits to work from your agent.
- Pick Replicate if you already have a Replicate account and token and want its model catalog in your client.
- Pick Runway if you work in Runway: its MCP generations are saved in your Runway library with the rest of your work.
- Pick Sume if you want an OAuth sign-in that starts read-only, with paid tools hidden until you turn Write on, and a cost preview through
dry_runbefore a paid call. The same server also listsgenerate_video,tts_create,music_create,rmbg_create, andimage_upscale_create(MCP overview). Sume's docs call hosted MCP its supported remote connector, though not the primary integration path today.
Is there a free image generation MCP?
Not among these five, for the images themselves. fal says its MCP server is free and you pay only for the model runs you trigger. Higgsfield spends plan credits and Runway spends Runway credits on each generation, and Replicate bills the compute time your runs use.
On Sume, paid tools such as generate_image need an idempotency_key, and dry_run=true previews the cost without submitting (MCP tools and gates). An OAuth session sees no paid tools at all until you grant Write at consent (OAuth and API keys). Is MCP free? covers what costs money across MCP in general.
Can these servers use an image from my computer?
Not by file path. A hosted server runs on the vendor's machines, so the image has to reach it another way. fal's MCP has an upload_file tool that takes a public file URL or base64 data and puts it on fal's CDN.
Sume's hosted MCP cannot read files from your laptop. For Sume image references, pass a public HTTPS URL; localhost, private-network, and non-HTTPS URLs are rejected before submission (Image API).
How do I set one up?
Each server has its own setup post: fal MCP, Higgsfield MCP, Replicate MCP, Runway MCP, and Sume's generate_image tool.
Sources
- fal: MCP server (read 2026-09-28)
- Higgsfield MCP (read 2026-09-28)
- Higgsfield: MCP and CLI FAQ (read 2026-09-28)
- Replicate MCP server (read 2026-09-28)
- Replicate: MCP docs (read 2026-09-28)
- Replicate: Billing (read 2026-09-28)
- Runway MCP (read 2026-09-28)
- Runway MCP server (read 2026-09-28)
- MCP overview
- MCP tools and gates
- MCP OAuth and API keys
- Image API
- Sume basics
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Written by Sume