Render a PNG chart for a specific memory type from memory.csv.
AI agents call ram_render_memory_chart to retrieve information from RAM Prices MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool reads cached memory price data and generates a visual representation (PNG chart) without creating, modifying, or deleting any data. It is a read-only operation that retrieves and presents information. No side effects, code execution, or irreversible actions are involved.
From the tool's definition Tool name 'ram_render_memory_chart' and description 'Render a PNG chart for a specific memory type from memory.csv' indicate data retrieval and visualization generation with no modification to underlying data.
Attacks that exploit this kind of access
Render a PNG chart for a specific memory type from memory.csv. It is categorised as a Read tool in the RAM Prices MCP Server MCP Server, which means it retrieves data without modifying state.
Register the RAM Prices MCP Server MCP server in PolicyLayer and add a rule for ram_render_memory_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 RAM Prices MCP Server. Nothing to install.
ram_render_memory_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 ram_render_memory_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 ram_render_memory_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.
ram_render_memory_chart is provided by the RAM Prices MCP Server MCP server (xeonvs/ddr-price-mcp). 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.
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