run_python_script

Upload a temporary UTF-8 Python script and execute it with python3.

SERVERMcp Control Plane SOURCEalbertik322-sudo/mcp-control-plane

High RISK CLASS

Category Execute

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/mcp-control-plane/run-python-script.md

WHAT IT DOES

What run_python_script does on Mcp Control Plane

AI agents invoke run_python_script to trigger actions in Mcp Control Plane. 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.

RISK

Why run_python_script is rated High

This tool allows execution of arbitrary Python scripts with python3, enabling an agent to run any code including system commands, file operations, network requests, and side effects. The blast radius is critical: an agent could compromise system security, exfiltrate data, modify files, or pivot to other systems. The ability to execute code with minimal constraints makes this the most severe risk category.

From the tool's definition Upload a temporary UTF-8 Python script and execute it with python3. The tool directly executes arbitrary Python code.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs run_python_script safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Mcp Control Plane, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For run_python_script, this is the rule to start with:

run_python_script Rate-limited

run_python_script 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": {
    "run_python_script": {
      "limits": [
        {
          "counter": "run_python_script_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Mcp Control Plane, apply this rule, and every run_python_script call is checked against it from then on.

FAQ

Questions about run_python_script

What does the run_python_script tool do? +

Upload a temporary UTF-8 Python script and execute it with python3. It is categorised as a Execute tool in the Mcp Control Plane MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on run_python_script? +

Register the Mcp Control Plane MCP server in PolicyLayer and add a rule for run_python_script: 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 Mcp Control Plane. Nothing to install.

What risk level is run_python_script? +

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

Can I rate-limit run_python_script? +

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

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

run_python_script is provided by the Mcp Control Plane MCP server (albertik322-sudo/mcp-control-plane). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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