ram_refresh · RAM Prices MCP Server MCP: Risk & Policy

WHAT IT DOES

What ram_refresh does on RAM Prices MCP Server

AI agents use ram_refresh 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 needs a policy

This tool writes new data into the cache by fetching and storing updated product information. It modifies the cached state but is reversible in the sense that the cache can be refreshed again. No code execution, deletion, or financial action is implied. Severity is medium because a misuse could corrupt or overwrite cached price data used for analytics and forecasting.

From the tool's definition 'Refresh product data into cache' — updates/overwrites cached data

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

ram_refresh Rate-limited

ram_refresh 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": {
      "limits": [
        {
          "counter": "ram_refresh_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

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

What does the ram_refresh tool do? +

Refresh product data into cache. 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? +

Register the RAM Prices MCP Server MCP server in PolicyLayer and add a rule for ram_refresh: 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? +

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

Can I rate-limit ram_refresh? +

Yes. Add a rate_limit block to the ram_refresh 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 completely? +

Set action: deny in the PolicyLayer policy for ram_refresh. 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? +

ram_refresh 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.