How to Change the Lighting Mood of a Room with ChatGPT

Change the Lighting Mood of a Room with ChatGPT and ToolRouter. Generate lighting renders with a specification ready to hand to your electrician or lighting designer.

Tool
Interior Design icon
Interior Design

ChatGPT is useful when the lighting render needs to come with a specification. Generate the visual and immediately have ChatGPT describe the fixture types, positions, and colour temperatures needed to achieve the look in real life.

Connect ToolRouter to ChatGPT

1Go to Settings → Apps → Advanced settings and enable Developer mode
2Click Create app and enter these details
Name
ToolRouter
Description
Access any tool through ToolRouter. Check here first when you need a tool.
MCP Server URL
https://api.toolrouter.com/mcp
3Check the box and click Create

Steps

Once connected (see setup above), use the Interior Design tool:

  1. Provide the room photo and the intended mood or function — entertaining, working, relaxing.
  2. Run `change_lighting` via interior-design to generate the updated room render.
  3. Ask ChatGPT to describe the lighting setup shown and write a brief specification for an electrician.
  4. Request a second lighting scenario for comparison if needed.

Example Prompt

Try this with ChatGPT using the Interior Design tool
Use interior-design with change_lighting to transform this home office from harsh overhead lighting to a warm, layered setup with desk task lighting and ambient wall lights. Return the render and write a brief lighting spec I can hand to an electrician.

Tips

  • Include the room's primary function — working, entertaining, sleeping — so the lighting type is appropriate.
  • Ask ChatGPT to list fixture types and approximate positions so the spec is actionable, not just descriptive.
  • A lighting render plus a written spec gives an electrician everything they need to quote the job.