Generate a mind map chart to organizes and presents information in a hierarchical structure with branches radiating from a central topic, such as, a diagram showing the relationship between a main topic and its subtopics.
AI agents use generate_mind_map to create or update resources in Chart Offline — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Chart Offline environment.
The tool generates a new SVG artifact (a mind map visualization) based on input data. This is a Write operation—it creates structured output that can be modified or discarded without consequence. It does not execute code, delete data, access external systems, or move funds. Severity is low because the blast radius of misuse is minimal: at worst, an AI agent generates unwanted visualizations.
From the tool's definition Tool 'generate_mind_map' creates SVG chart output representing hierarchical information structures. The description states it 'organizes and presents information' and generates a visual diagram.
Documented attack patterns abuse exactly the kind of access generate_mind_map gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Chart Offline, and nothing reaches the server without passing your rules. This is the rule we recommend for generate_mind_map:
{
"version": "1",
"default": "deny",
"tools": {
"generate_mind_map": {
"limits": [
{
"counter": "generate_mind_map_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}generate_mind_map stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
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Generate a mind map chart to organizes and presents information in a hierarchical structure with branches radiating from a central topic, such as, a diagram showing the relationship between a main topic and its subtopics. It is categorised as a Write tool in the Chart Offline MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Chart Offline MCP server in PolicyLayer and add a rule for generate_mind_map: 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 Chart Offline. Nothing to install.
generate_mind_map is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the generate_mind_map 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 generate_mind_map. 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.
generate_mind_map is provided by the Chart Offline MCP server (liukeyu800/mcp-server-chart-offline). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Chart Offline, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
15 Chart Offline tools catalogued and risk-classified — across an index of 43,000+ MCP servers.