pwndbg_run_until_stop · Pwndbg Lldb MCP: Risk & Policy

WHAT IT DOES

What pwndbg_run_until_stop does on Pwndbg Lldb

AI agents invoke pwndbg_run_until_stop to trigger actions in Pwndbg Lldb. 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 pwndbg_run_until_stop needs a policy

This tool executes debugger control flow operations that trigger external code execution within a target binary. While debugging is intentional, an AI agent could misuse it to execute arbitrary or sensitive code paths in the debugged process, potentially with unintended side effects.

From the tool's definition Tool name 'pwndbg_run_until_stop' indicates it controls debugger execution flow (run/resume until a breakpoint or stop condition). Description is empty, but context shows this is a pwndbg command exposed as a debugging tool under LLDB.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

pwndbg_run_until_stop Rate-limited

pwndbg_run_until_stop 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": {
    "pwndbg_run_until_stop": {
      "limits": [
        {
          "counter": "pwndbg_run_until_stop_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 Pwndbg Lldb, so you can run agents against it safely.

FAQ

Questions about pwndbg_run_until_stop

What does the pwndbg_run_until_stop tool do? +

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

How do I enforce a policy on pwndbg_run_until_stop? +

Register the Pwndbg Lldb MCP server in PolicyLayer and add a rule for pwndbg_run_until_stop: 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 Pwndbg Lldb. Nothing to install.

What risk level is pwndbg_run_until_stop? +

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

Can I rate-limit pwndbg_run_until_stop? +

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

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

pwndbg_run_until_stop is provided by the Pwndbg Lldb MCP server (micro-evaluation-group/pwndbg-lldb-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.