OpenLCA_List_System_Processes_Tool

THE RISK

Low Risk

Why OpenLCA_List_System_Processes_Tool needs a policy

The tool retrieves and lists system processes from OpenLCA. This is a read-only operation with no side effects — it queries and returns data without creating, modifying, or deleting anything.

From the tool's definition List all system processes using OpenLCA

Documented attack patterns abuse exactly the kind of access OpenLCA_List_System_Processes_Tool gives an agent:

POLICY

How to control OpenLCA_List_System_Processes_Tool

PolicyLayer is an MCP gateway — it sits between your AI agents and TianGong-LCA-MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for OpenLCA_List_System_Processes_Tool:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "OpenLCA_List_System_Processes_Tool": {}
  }
}

OpenLCA_List_System_Processes_Tool is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register TianGong-LCA-MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

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All 11 TianGong-LCA-MCP Server tools →

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about OpenLCA_List_System_Processes_Tool

What does the OpenLCA_List_System_Processes_Tool tool do? +

List all system processes using OpenLCA. It is categorised as a Read tool in the TianGong-LCA-MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on OpenLCA_List_System_Processes_Tool? +

Register the TianGong-LCA-MCP Server MCP server in PolicyLayer and add a rule for OpenLCA_List_System_Processes_Tool: 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 TianGong-LCA-MCP Server. Nothing to install.

What risk level is OpenLCA_List_System_Processes_Tool? +

OpenLCA_List_System_Processes_Tool is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit OpenLCA_List_System_Processes_Tool? +

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

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

OpenLCA_List_System_Processes_Tool is provided by the TianGong-LCA-MCP Server MCP server (linancn/tiangong-lca-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every TianGong-LCA-MCP Server tool call.

Start from TianGong-LCA-MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →