execute_paraview_code · ParaView MCP Server MCP

WHAT IT DOES

What execute_paraview_code does on ParaView MCP Server

AI agents invoke execute_paraview_code to trigger actions in ParaView 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 execute_paraview_code needs a policy

This tool allows execution of arbitrary Python code within ParaView's runtime environment. While ParaView is a visualization tool, executing arbitrary code can trigger unintended side effects including file system access, network operations, data exfiltration, or resource exhaustion. The 'break complex tasks into small steps' guidance suggests the tool accepts user-controlled code logic.

From the tool's definition Tool name 'execute_paraview_code' and description 'Execute Python code in ParaView' explicitly indicate arbitrary code execution capability.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

execute_paraview_code Rate-limited

execute_paraview_code 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": {
    "execute_paraview_code": {
      "limits": [
        {
          "counter": "execute_paraview_code_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 ParaView MCP Server, so you can run agents against it safely.

FAQ

Questions about execute_paraview_code

What does the execute_paraview_code tool do? +

Execute Python code in ParaView. Break complex tasks into small steps. It is categorised as a Execute tool in the ParaView 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 execute_paraview_code? +

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

What risk level is execute_paraview_code? +

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

Can I rate-limit execute_paraview_code? +

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

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

execute_paraview_code is provided by the ParaView MCP Server MCP server (pypi:paraview-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.