Return cached history (optionally refresh first).
AI agents call ram_get_history 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 retrieves historical price and memory technology data from cache. Even with the optional refresh operation, the primary function is data retrieval (Read category). Refresh is a benign cache update that maintains data consistency rather than modifying business data. No data is created, modified irreversibly, deleted, or financial transactions are initiated.
From the tool's definition Tool name 'ram_get_history' and description 'Return cached history (optionally refresh first)' indicate retrieval of existing data with no modification or deletion.
Attacks that exploit this kind of access
Return cached history (optionally refresh first). 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_get_history: 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_get_history 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_get_history 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_get_history. 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_get_history 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.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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