AI agents call get_growth_chart to retrieve information from Groowooth without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and visualizes growth data by plotting it on a chart with percentile bands and child data points. It performs read-only operations—querying existing growth data and rendering it as SVG output. There are no side effects, state changes, or irreversible actions.
From the tool's definition Tool name 'get_growth_chart' and description '生成 SVG 成长曲线图' (generate SVG growth curve chart) indicates data retrieval and visualization only. No modification, deletion, or execution of external operations occurs.
Attacks that exploit this kind of access
生成 SVG 成长曲线图（含百分位带和孩子数据点）. It is categorised as a Read tool in the Groowooth MCP Server, which means it retrieves data without modifying state.
Register the Groowooth MCP server in PolicyLayer and add a rule for get_growth_chart: 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 Groowooth. Nothing to install.
get_growth_chart 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_growth_chart 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_growth_chart. 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_growth_chart is provided by the Groowooth MCP server (xiaot945/groowooth). 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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