mcp-asset-gen

What is mcp-asset-gen?

MCP server that lets Claude use OpenAI’s gpt-image-1 model to generate image assets. It is intended for game or web development workflows where individual, on-demand images are needed.

How to use mcp-asset-gen?

Install Node.js, obtain an OpenAI API key, export it as API_KEY in the shell, then run a provided jq command to add the server configuration to ~/.claude.json. Once set up, ask Claude to generate an image and the server will produce a PNG file at the specified local path.

Key features of mcp-asset-gen

• Generates image assets via OpenAI’s gpt-image-1 model
• Returns the output image as a local file
• Accepts custom prompts, quality, and size parameters
• Integrated directly into Claude’s MCP tool system

Use cases of mcp-asset-gen

• Creating game sprites or logos on demand
• Prototyping web UI elements without leaving the chat
• Generating individual art assets for small projects or mockups

FAQ from mcp-asset-gen

What dependencies does mcp-asset-gen require?

Node.js and an OpenAI API key from an organization with ID verification.

How do I provide my API key?

Export it as the API_KEY environment variable in your shell before starting Claude.

Where are generated images saved?

They are written to the local filesystem at the absolute path returned by the server, as shown in the server’s output.

What transport does mcp-asset-gen use?

It uses stdio transport, configured as a stdio MCP server in the Claude config file.