down · WineDbg MCP Server MCP: Risk & Policy

WHAT IT DOES

What down does on WineDbg MCP Server

AI agents invoke down to trigger actions in WineDbg MCP Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why down needs a policy

Moving down the stack in a debugger changes the active frame context within a live debugging session. This is an Execute-category action as it triggers an operation within the Wine debugger (winedbg) that affects the state of the debugging session and the target process context, though it does not directly read or write data in isolation.

From the tool's definition Move down the stack — navigates the debugger call stack frame, which is an active debugger operation affecting the debug session state

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

down Rate-limited

down stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "down": {
      "limits": [
        {
          "counter": "down_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about down

What does the down tool do? +

Move down the stack. It is categorised as a Execute tool in the WineDbg MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on down? +

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

What risk level is down? +

down is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit down? +

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

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

down is provided by the WineDbg MCP Server MCP server (maci0/mcp-winedbg). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.