List all attachments on a Smartsheet sheet (both sheet-level and row-level). Returns attachment name, type, size, and temporary download URL. Args: - sheet_id (number): Target sheet ID - page_size (number, optional): Results per page (default 100) - page (number, optional): Page number (default 1...
AI agents call smartsheet_list_attachments to retrieve information from Smartsheet MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only operation that retrieves metadata about attachments in a Smartsheet. It has no side effects—it only lists existing data and returns URLs. While URLs are included, they are temporary and read-only. The tool does not create, modify, or delete any data, placing it squarely in the Read category.
From the tool's definition Tool name contains 'list' and description states 'List all attachments' with return of 'attachment metadata with download URLs'. The core function is querying and retrieving attachment information without modifying or deleting data.
Attacks that exploit this kind of access
List all attachments on a Smartsheet sheet (both sheet-level and row-level). Returns attachment name, type, size, and temporary download URL. Args: - sheet_id (number): Target sheet ID - page_size (number, optional): Results per page (default 100) - page (number, optional): Page number (default 1) Returns: Array of attachment metadata with download URLs (URLs expire after a short period). It is categorised as a Read tool in the Smartsheet MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Smartsheet MCP Server MCP server in PolicyLayer and add a rule for smartsheet_list_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 Smartsheet MCP Server. Nothing to install.
smartsheet_list_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 smartsheet_list_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 smartsheet_list_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.
smartsheet_list_attachments is provided by the Smartsheet MCP Server MCP server (prmbr42-bot/smartsheet-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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