detect_os

THE RISK

Low Risk

Why detect_os needs a policy

This tool performs forensic analysis on a memory dump to identify the operating system. It retrieves and analyzes information from the memory dump without creating, modifying, deleting, or executing operations. This is a pure information-retrieval operation with no side effects, fitting the Read category.

From the tool's definition Tool name 'detect_os' and description 'Detect the operating system type from the memory dump' indicate read-only operation that queries/analyzes existing memory dump data without modification, deletion, or execution of commands.

Documented attack patterns abuse exactly the kind of access detect_os gives an agent:

POLICY

How to control detect_os

PolicyLayer is an MCP gateway — it sits between your AI agents and Volatility3 MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for detect_os:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "detect_os": {}
  }
}

detect_os is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Volatility3 MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More Volatility3 MCP Server tools

Execute run_plugin Run a Volatility3 plugin with optional arguments. Execute scan_with_yara Scan memory with YARA rules to detect malware signatures. Read initialize_memory_file Initialize the Volatility3 wrapper with a memory dump file. Read get_network_connections Get network connections from the memory dump. Read get_plugin_info Get detailed information about a specific plugin. Read get_processes Get a list of processes from the memory dump. Read list_plugins List all available Volatility3 plugins. Read list_process_open_handles List all open handles for a specific process.

All 9 Volatility3 MCP Server tools →

Read tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about detect_os

What does the detect_os tool do? +

Detect the operating system type from the memory dump. It is categorised as a Read tool in the Volatility3 MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on detect_os? +

Register the Volatility3 MCP Server MCP server in PolicyLayer and add a rule for detect_os: 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 Volatility3 MCP Server. Nothing to install.

What risk level is detect_os? +

detect_os is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit detect_os? +

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

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

detect_os is provided by the Volatility3 MCP Server MCP server (kirandawadi/volatility3-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Volatility3 MCP Server tool call.

Start from Volatility3 MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →