create_reference_list_row

WHAT IT DOES

What create_reference_list_row does on ReliaQuest GreyMatter MCP Server

AI agents use create_reference_list_row 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_row needs a policy

This is a Write operation as it creates new data entries in reference lists via a GraphQL mutation. The severity is medium because while it modifies data, reference lists are typically configuration or lookup data rather than critical operational data, and the blast radius depends on what reference lists control.

From the tool's definition Tool name 'create_reference_list_row' and description indicating a 'mutation createReferenceListRow' that creates new rows in reference lists, which are data creation/modification operations.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_reference_list_row Rate-limited

create_reference_list_row 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_row": {
      "limits": [
        {
          "counter": "create_reference_list_row_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_row

What does the create_reference_list_row tool do? +

Reference Lists \u00b7 mutation createReferenceListRow. 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_row? +

Register the ReliaQuest GreyMatter MCP Server MCP server in PolicyLayer and add a rule for create_reference_list_row: 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_row? +

create_reference_list_row 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_row? +

Yes. Add a rate_limit block to the create_reference_list_row 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_row completely? +

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

create_reference_list_row 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.