get_attachment
AI agents call get_attachment to retrieve information from RT MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool retrieves attachment data from RT tickets without modification. Despite empty tool description, the server-level context and sibling tools strongly indicate this is a read operation with no side effects. Low severity because attachment retrieval poses minimal risk in a read-only context.
From the tool's definition Tool is on a 'Read-only MCP server' and grouped with get_ticket, get_ticket_correspondence, get_ticket_hierarchy, and search_tickets, all of which are retrieval operations. The server description explicitly states it enables 'attachment download'.
Attacks that exploit this kind of access
get_attachment. It is categorised as a Read tool in the RT MCP Server MCP Server, which means it retrieves data without modifying state.
Register the RT MCP Server MCP server in PolicyLayer and add a rule for get_attachment: 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 RT MCP Server. Nothing to install.
get_attachment 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_attachment 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_attachment. 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_attachment is provided by the RT MCP Server MCP server (msekoranja/rt-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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