This record as markdown: /tools/123pc-geogebra-mcp/geogebra-export-png.md
What geogebra_export_png does on GeoGebra MCP Server
AI agents use geogebra_export_png to create or update resources in GeoGebra MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your GeoGebra MCP Server environment.
Why geogebra_export_png is rated Medium
Exporting a view to PNG creates a new file artifact but does not modify the underlying GeoGebra construction itself, nor does it irreversibly delete or execute arbitrary code. This is a reversible write operation—generating output data. Severity is low because creating an image export has minimal blast radius and no permanent side effects on the model or system.
From the tool's definition Tool name 'geogebra_export_png' and description indicate exporting/saving the current GeoGebra view as a PNG screenshot, which creates a new file output.
Attacks that exploit this kind of access
The rule that runs geogebra_export_png safely
PolicyLayer is an MCP gateway: it sits between your AI agents and GeoGebra MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For geogebra_export_png, this is the rule to start with:
geogebra_export_png 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.
The button opens the PolicyLayer dashboard: create your workspace, connect GeoGebra MCP Server, apply this rule, and every geogebra_export_png call is checked against it from then on.
Questions about geogebra_export_png
导出当前 GeoGebra 视图为 PNG 截图。. It is categorised as a Write tool in the GeoGebra MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the GeoGebra MCP Server MCP server in PolicyLayer and add a rule for geogebra_export_png: 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 GeoGebra MCP Server. Nothing to install.
geogebra_export_png 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 geogebra_export_png 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 geogebra_export_png. 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.
geogebra_export_png is provided by the GeoGebra MCP Server MCP server (123pc/geogebra_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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