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Server Configuration

Describes the environment variables required to run the server.

NameRequiredDescriptionDefault
DRAWIO_MCP_READ_ROOTSNoSemicolon-separated list of directories that the MCP server is allowed to read. If not set, only the project directory is accessible.
DRAWIO_MCP_WRITE_ROOTSNoSemicolon-separated list of directories that the MCP server is allowed to write to. If not set, only the project directory is accessible.

Instructions

Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.

This server publishes no instructions, or was last inspected before Glama recorded them.

Capabilities

Features and capabilities supported by this server

Protocol revision2025-11-25

CapabilityDetails
tools
{
  "listChanged": true
}
logging
{}

Tools

Functions exposed to the LLM to take actions

NameDescription
server_infoA

Show allowed roots and supported workflow information.

create_diagramB

Create a new editable .drawio XML diagram from structured groups, nodes, and edges with automatic layout.

inspect_diagramA

Read the first page of a draw.io XML file and return nodes, edges, labels, and geometry.

validate_diagramA

Check draw.io XML structure, duplicate ids, invalid geometry, page bounds, dangling edges, and node overlaps.

update_diagramA

Add nodes/edges or update a node in an existing draw.io file. Writes a separate output unless overwrite is explicitly enabled.

Prompts

Interactive templates invoked by user choice

NameDescription

No prompts

Resources

Contextual data attached and managed by the client

NameDescription

No resources

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MCP directory API

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