create_reference_list_column

WHAT IT DOES

What create_reference_list_column does on ReliaQuest GreyMatter MCP Server

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

WHY IT NEEDS A POLICY

Why create_reference_list_column needs a policy

This tool creates a new column in a reference list, which is a reversible write operation that modifies data structure. It does not delete data (would be Destructive), execute arbitrary code (would be Execute), or move money (would be Financial). The blast radius is medium—incorrect column creation could disrupt reference list functionality and require manual correction, but is not catastrophic.

From the tool's definition Tool name 'create_reference_list_column' indicates creation via 'create' prefix; description confirms it is a 'mutation' operation that accepts 'input' variables, standard GraphQL mutation pattern for data modification.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_reference_list_column Rate-limited

create_reference_list_column 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_reference_list_column": {
      "limits": [
        {
          "counter": "create_reference_list_column_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 ReliaQuest GreyMatter MCP Server, so you can run agents against it safely.

FAQ

Questions about create_reference_list_column

What does the create_reference_list_column tool do? +

Reference Lists \u00b7 mutation createReferenceListColumn. Variables: input. Example variables: {\. It is categorised as a Write tool in the ReliaQuest GreyMatter 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_reference_list_column? +

Register the ReliaQuest GreyMatter MCP Server MCP server in PolicyLayer and add a rule for create_reference_list_column: 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 ReliaQuest GreyMatter MCP Server. Nothing to install.

What risk level is create_reference_list_column? +

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

Can I rate-limit create_reference_list_column? +

Yes. Add a rate_limit block to the create_reference_list_column 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_reference_list_column completely? +

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

create_reference_list_column is provided by the ReliaQuest GreyMatter MCP Server MCP server (space-c0wboy/reliaquest-greymatter-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.