ram_refresh_range · RAM Prices MCP Server MCP: Risk & Policy

WHAT IT DOES

What ram_refresh_range does on RAM Prices MCP Server

AI agents use ram_refresh_range to create or update resources in RAM Prices MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your RAM Prices MCP Server environment.

WHY IT NEEDS A POLICY

Why ram_refresh_range needs a policy

This tool fetches/updates cached price data for a specified quarter range, overwriting existing cached entries. It modifies stored state (cache) but is reversible in the sense that data can be re-fetched. It falls under Write as it updates/overwrites cached data rather than executing arbitrary code or destroying data irreversibly.

From the tool's definition Refresh only a specific quarter range (inclusive)

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

ram_refresh_range Rate-limited

ram_refresh_range 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "ram_refresh_range": {
      "limits": [
        {
          "counter": "ram_refresh_range_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches RAM Prices MCP Server, so you can run agents against it safely.

FAQ

Questions about ram_refresh_range

What does the ram_refresh_range tool do? +

Refresh only a specific quarter range (inclusive), e.g. 2020q2..2025q4. It is categorised as a Write tool in the RAM Prices MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on ram_refresh_range? +

Register the RAM Prices MCP Server MCP server in PolicyLayer and add a rule for ram_refresh_range: 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.

What risk level is ram_refresh_range? +

ram_refresh_range is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit ram_refresh_range? +

Yes. Add a rate_limit block to the ram_refresh_range 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.

How do I block ram_refresh_range completely? +

Set action: deny in the PolicyLayer policy for ram_refresh_range. 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.

What MCP server provides ram_refresh_range? +

ram_refresh_range 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.