Draw.io MCP Server

This tool allows you to retrieve selected cell (whether vertex or edge) on the current page of a Draw.io diagram. The response is a JSON containing attributes of the cell.

This tool allows you to add new Rectangle vertex cell (object) on the current page of a Draw.io diagram. It accepts multiple optional input parameter.

This tool creates an edge, sometimes called also a relation, between two vertexes (cells).

Deletes a cell, whether it is a vertex or edge.

Retrieves available shape categories from the diagram's library. Library is split into multiple categories.

Retrieve all shapes in the provided category from the diagram's library. A shape primarily contains style based on which you can create new vertex cells.

Retrieve a specific shape by its name from all available shapes in the diagram's library. It returns the shape and also the category it belongs.

This tool allows you to add new vertex cell (object) on the current page of a Draw.io diagram by its shape name. It accepts multiple optional input parameter.

Updates the visual style of an existing vertex cell to match a library shape by name.

Sets or updates a custom attribute on an existing cell.

Update properties of an existing vertex/shape cell by its ID. Only provided fields are modified; unspecified properties remain unchanged.

Update properties of an existing edge by its ID. Only provided fields are modified; unspecified properties remain unchanged.

Retrieves a paginated view of all cells (vertices and edges) in the current Draw.io diagram. This tool provides access to the complete model data with essential fields only, sanitized to remove circular dependencies and excessive data. It allows to filter based on multiple criteria and attribute boolean logic. Useful for programmatic inspection of diagram structure without overwhelming response sizes.