Get xml representation of a diagram file
AI agents call get_diagram_info to retrieve information from Draw Io MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves data (diagram XML content) without creating, modifying, deleting, or executing operations. It is a straightforward read operation that poses minimal risk even if accessed by an AI agent, as it only exposes existing diagram metadata and structure.
From the tool's definition Tool name is 'get_diagram_info' and description states it retrieves the 'xml representation of a diagram file' — a query operation with no modification.
Attacks that exploit this kind of access
Get xml representation of a diagram file. It is categorised as a Read tool in the Draw Io MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Draw Io MCP Server MCP server in PolicyLayer and add a rule for get_diagram_info: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Draw Io MCP Server. Nothing to install.
get_diagram_info is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_diagram_info rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for get_diagram_info. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
get_diagram_info is provided by the Draw Io MCP Server MCP server (noacodenoobe/drawiomcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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