# Simple House Planner: developers

> How agents and developers use Simple House Planner: the MCP server, WebMCP tools, the plan script API, the project format and the public API.

- [Developers and Agents – Simple House Planner](https://simplehouseplanner.com/developers/index.md): How agents and developers use Simple House Planner: the MCP server, WebMCP tools in the editor, the plan script API, the .plan format, the public API and the discovery files.
- [Floor Plan MCP Server – Simple House Planner](https://simplehouseplanner.com/floor-plan-mcp/index.md): A remote MCP server for floor plans. Give ChatGPT, Claude, Cursor or any MCP client real tools for walls, rooms, roofs and furniture, over Streamable HTTP with OAuth.
- [WebMCP Floor Plan Editor – Simple House Planner](https://simplehouseplanner.com/webmcp/index.md): A floor plan editor with WebMCP tools. An agent in your browser can draw, change and export the plan you have open, to scale. Free, with no sign-in.
- [Project format](https://simplehouseplanner.com/developers/plan-format.md): The .plan file, as a reference.
- [Sign-in for agents](https://simplehouseplanner.com/auth.md): How an agent gets access to a person's plans.
- [Public API](https://simplehouseplanner.com/openapi.json): OpenAPI description of the shared plans and items.
- [MCP server card](https://simplehouseplanner.com/.well-known/mcp/server-card.json)
- [Agent skills](https://simplehouseplanner.com/.well-known/agent-skills/index.json)