AI agents use update_work_item_type to create or update resources in Plane — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Plane environment.
The 'update' verb indicates a Write action that modifies but does not delete data. Severity is medium because incorrect updates to work item types in a project management system could disrupt workflows and require correction, but the change is reversible. Confidence is slightly reduced (0.75 rather than higher) due to the empty description, which prevents complete certainty about scope and potential side effects.
From the tool's definition Tool name is 'update_work_item_type', which performs an update operation on work item data. Description is empty, limiting specificity.
Attacks that exploit this kind of access
update_work_item_type. It is categorised as a Write tool in the Plane MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Plane MCP server in PolicyLayer and add a rule for update_work_item_type: 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.
update_work_item_type 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_work_item_type 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_work_item_type. 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_work_item_type 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.
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