create_list_container · RSpace MCP Server MCP: Risk & Policy

WHAT IT DOES

What create_list_container does on RSpace MCP Server

AI agents use create_list_container to create or update resources in RSpace MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your RSpace MCP Server environment.

WHY IT NEEDS A POLICY

Why create_list_container needs a policy

The tool creates a new container object in RSpace, which is a reversible write operation. While the description is empty (lowering confidence slightly), the naming convention and context of sibling tools clearly indicate data creation rather than deletion, execution of arbitrary code, or financial impact.

From the tool's definition Tool name 'create_list_container' indicates creation of a data structure in RSpace. Sibling tools like 'create_sample', 'create_document_from_form', 'create_grid_container', and 'create_image_container' all create reversible data structures, suggesting this…

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_list_container Rate-limited

create_list_container stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_list_container": {
      "limits": [
        {
          "counter": "create_list_container_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches RSpace MCP Server, so you can run agents against it safely.

FAQ

Questions about create_list_container

What does the create_list_container tool do? +

create_list_container. It is categorised as a Write tool in the RSpace MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_list_container? +

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

What risk level is create_list_container? +

create_list_container is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit create_list_container? +

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

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

create_list_container is provided by the RSpace MCP Server MCP server (rspace-os/rspace-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.