update_collection_item · Filevine MCP: Risk & Policy

WHAT IT DOES

What update_collection_item does on Filevine

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

WHY IT NEEDS A POLICY

Why update_collection_item needs a policy

The tool modifies existing data (update) rather than creating new records or irreversibly deleting them. However, severity is high rather than medium because: (1) it operates on a legal case management system where data integrity is critical, (2) the lack of granular permission details means an AI could modify sensitive case information, billing records, or contact details, and (3) sibling tools include financial…

From the tool's definition Tool name contains 'update' and description states 'Update an item in a custom collection section', indicating modification of existing data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_collection_item Rate-limited

update_collection_item 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_collection_item": {
      "limits": [
        {
          "counter": "update_collection_item_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 Filevine, so you can run agents against it safely.

FAQ

Questions about update_collection_item

What does the update_collection_item tool do? +

Update an item in a custom collection section. fields_json is a JSON object. It is categorised as a Write tool in the Filevine 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_collection_item? +

Register the Filevine MCP server in PolicyLayer and add a rule for update_collection_item: 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 Filevine. Nothing to install.

What risk level is update_collection_item? +

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

Can I rate-limit update_collection_item? +

Yes. Add a rate_limit block to the update_collection_item 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_collection_item completely? +

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

update_collection_item is provided by the Filevine MCP server (rosenadvertising/filevine-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.