AI agents call list_work_item_attachments 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.
This tool retrieves or lists attachments linked to work items without modifying any data. Although the description is empty, the naming convention and context within a project management tool (Plane) strongly indicate this is a Read operation. The lack of mutation keywords (create, update, delete) and the presence of 'list' confirms read-only semantics.
From the tool's definition Tool name 'list_work_item_attachments' indicates a retrieval operation that queries attachments associated with work items. The 'list' prefix is a strong signal of a read-only, non-mutating operation.
Attacks that exploit this kind of access
list_work_item_attachments. 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 list_work_item_attachments: 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.
list_work_item_attachments 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 list_work_item_attachments 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 list_work_item_attachments. 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.
list_work_item_attachments 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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