Higgsfield MCP connects Higgsfield to AI agents. Connect once and generate images, videos, characters, and audio from Claude or any MCP-compatible agent, without leaving your agent. The main difference from generating on the web: MCP always uses credits. Unlimited access and free generations apply only on higgsfield.ai, so anything generated through MCP, CLI, Canvas, Supercomputer, or other automated tools deducts credits at standard rates.
MCP (Model Context Protocol) is an open protocol that lets AI agents connect to external services and call their tools. Higgsfield MCP is a connector that lets you generate images, videos, characters, and audio from Higgsfield directly inside Claude or another MCP-compatible agent. It isn't a separate product or API: it connects to your existing account and uses your existing plan credits, with no API key required.
Because MCP connects programmatically, using Higgsfield through it falls under the Developer Terms in the Terms of Use. In short: keep your connection secure, and you're responsible for anything an agent generates through your account.
MCP server URL: https://mcp.higgsfield.ai/mcp
The most important difference is credit behavior: everything generated through MCP deducts credits, regardless of your plan.
| Web (higgsfield.ai) | MCP | |
|---|---|---|
| Unlimited model access | Yes, where included in plan | No, always deducts credits |
| Free generations | Yes, where included in plan | No |
| Credit cost | Standard rates | Standard rates |
| Generations appear in Assets | Yes | Yes |
| Access to models | Yes | Yes |
No. Unlimited access and free generations apply only on higgsfield.ai: they're intended for manual use, not for automated or programmatic generation. Anything generated through MCP, CLI, Canvas, Supercomputer, or other automated tools deducts credits at standard rates. To generate on a model where your plan includes Unlimited access without spending credits, do it on the web at higgsfield.ai.
Image and video generation, Soul character use, Higgsfield Audio, and credit balance checks. For the full list of operations and how to phrase requests to your agent, see How do I connect Higgsfield to Claude?
Do I need a separate API key to use Higgsfield MCP?
No. MCP connects through OAuth authorization, no API key is needed.
I have Unlimited access to a model, but MCP charged credits for it. Is that a bug?
No, that's expected. Unlimited access and free generations apply only on higgsfield.ai, so generating through MCP always uses credits at standard rates.
Does MCP work in other agents besides Claude?
Yes. Any MCP-compatible agent can connect using the same server URL: https://mcp.higgsfield.ai/mcp. Third-party agents are governed by their own terms, and you're responsible for how they use your Higgsfield account.