gdb_run · GDB MCP Server MCP: Risk & Policy

WHAT IT DOES

What gdb_run does on GDB MCP Server

AI agents invoke gdb_run to trigger actions in GDB 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 gdb_run needs a policy

gdb_run executes arbitrary code on a debugged embedded system. While this is legitimate for debugging, an AI agent given this tool could execute malicious code, crash systems, or trigger unintended side effects depending on the debugged program's logic. The tool operates on embedded systems across multiple architectures (ARM, x86) and supports remote debugging, amplifying potential impact.

From the tool's definition Tool description states '从程序入口点开始执行。程序将运行直到遇到断点或异常' (Execute from program entry point. The program will run until it encounters a breakpoint or exception). This directly executes code on the target system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

gdb_run Rate-limited

gdb_run 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": {
    "gdb_run": {
      "limits": [
        {
          "counter": "gdb_run_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 GDB MCP Server, so you can run agents against it safely.

FAQ

Questions about gdb_run

What does the gdb_run tool do? +

从程序入口点开始执行。程序将运行直到遇到断点或异常。. It is categorised as a Execute tool in the GDB 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 gdb_run? +

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

What risk level is gdb_run? +

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

Can I rate-limit gdb_run? +

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

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

gdb_run is provided by the GDB MCP Server MCP server (zjm1060/gdb-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.