AI agents call retrieve_work_item_comment to retrieve information from Plane without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The verb 'retrieve' combined with the absence of any mention of modification, deletion, or side effects confirms this is a data retrieval operation. Fetching comments from work items has no side effects and does not alter system state. This falls squarely within the Read category with low severity since it only queries existing data.
From the tool's definition Tool name 'retrieve_work_item_comment' and description 'Retrieve a specific comment for a work item' indicate a read-only operation that fetches data without modification.
Attacks that exploit this kind of access
Retrieve a specific comment for a work item. It is categorised as a Read tool in the Plane MCP Server, which means it retrieves data without modifying state.
Register the Plane MCP server in PolicyLayer and add a rule for retrieve_work_item_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 Plane. Nothing to install.
retrieve_work_item_comment is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the retrieve_work_item_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 retrieve_work_item_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.
retrieve_work_item_comment is provided by the Plane MCP server (@makeplane/plane-mcp-server). 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.
Teams ship this data inside their own products. See what a licence covers →