September 23, 2026
Apps can be built from Claude: Opus 5.5 created chess in Higgsfield
On September 22, Higgsfield said Claude Opus 5.5 built a chess game with a hand-drawn style and move analysis. Via Higgsfield MCP, the agent in Claude can create, edit, deploy, and publish Apps. On September 23, Anthropic called Opus 5.5 its most capable Opus model and said it is faster and 40% cheaper than the previous version.
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Claude Opus 5.5 built a chess game with a hand-drawn style and move analysis. Made with Higgsfield.
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Without Claude, Apps are created in Supercomputer: describe the app, choose one of 3 templates, and answer the agent's questions before publishing. With MCP, Claude can create, edit, deploy, and publish the same Apps.
Connecting in Claude. In Settings → Connectors, add a custom connector with the address `https://mcp.higgsfield.ai/mcp`, click Connect, and sign in to Higgsfield. An active paid Claude subscription is required; no separate API key is needed. Each MCP generation consumes credits, and the agent-session limit is set through an instruction in the prompt.
Unlimited and free generations are available only on higgsfield.ai.
