AI agents use update_note_comment 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.
This tool creates or modifies data reversibly (Write category). It updates an existing comment, which is a reversible change. The severity is medium because notes/comments in legal case management can contain sensitive information or case strategy, and unauthorized modification could mislead stakeholders, though it does not delete data or trigger financial/external operations.
From the tool's definition Tool name 'update_note_comment' and description 'Update a comment on a note' indicate modification of existing data. In a legal case management system, notes and comments are case-related information that can be reversibly modified.
Attacks that exploit this kind of access
Update a comment on a note. 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.
Register the Filevine MCP server in PolicyLayer and add a rule for update_note_comment: 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.
update_note_comment is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the update_note_comment 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.
Set action: deny in the PolicyLayer policy for update_note_comment. 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.
update_note_comment 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.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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