update_entity_attributes_tool · Reltio MCP Server MCP

WHAT IT DOES

What update_entity_attributes_tool does on Reltio MCP Server

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

WHY IT NEEDS A POLICY

Why update_entity_attributes_tool needs a policy

This tool creates or modifies data reversibly within a master data management system. While not destructive (no deletion indicated), updating entity attributes in an MDM platform affects critical business records and could propagate across dependent systems.

From the tool's definition Tool name 'update_entity_attributes_tool' indicates modification of entity data. Combined with sibling tools like 'create_entity_tool' and 'delete_relation_tool', this operates within Reltio's master data management platform where entity attributes are core…

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_entity_attributes_tool Rate-limited

update_entity_attributes_tool 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": {
    "update_entity_attributes_tool": {
      "limits": [
        {
          "counter": "update_entity_attributes_tool_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 Reltio MCP Server, so you can run agents against it safely.

FAQ

Questions about update_entity_attributes_tool

What does the update_entity_attributes_tool tool do? +

update_entity_attributes_tool. It is categorised as a Write tool in the Reltio 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 update_entity_attributes_tool? +

Register the Reltio MCP Server MCP server in PolicyLayer and add a rule for update_entity_attributes_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 Reltio MCP Server. Nothing to install.

What risk level is update_entity_attributes_tool? +

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

Can I rate-limit update_entity_attributes_tool? +

Yes. Add a rate_limit block to the update_entity_attributes_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 update_entity_attributes_tool completely? +

Set action: deny in the PolicyLayer policy for update_entity_attributes_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 update_entity_attributes_tool? +

update_entity_attributes_tool is provided by the Reltio MCP Server MCP server (reltio-ai/reltio-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.