AI agents call get_work_item_attachment_download_url 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 a URL for downloading an attachment, which is a read operation with no side effects. It does not modify, delete, or execute any operations—it simply provides access to an existing resource. The empty description lowers confidence slightly, but the function name is clear enough to classify with reasonable certainty as a Read operation.
From the tool's definition Tool name 'get_work_item_attachment_download_url' indicates retrieval of a download URL for an attachment associated with a work item. The verb 'get' and 'download_url' suggest a read-only operation that retrieves data without modification.
Attacks that exploit this kind of access
get_work_item_attachment_download_url. 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 get_work_item_attachment_download_url: 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.
get_work_item_attachment_download_url 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 get_work_item_attachment_download_url 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 get_work_item_attachment_download_url. 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.
get_work_item_attachment_download_url 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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