AI agents call slack_list_files to retrieve information from Mcp Gmail without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The name 'slack_list_files' strongly suggests a read operation that retrieves or enumerates files, matching the Read category pattern. The empty description lowers confidence slightly, but the naming convention is clear. No evidence of side effects, deletions, or financial implications. Severity is low because listing files has minimal blast radius even if misused.
From the tool's definition Tool name 'slack_list_files' indicates a listing/query operation. No description provided to confirm intent, but the 'list' action pattern and sibling tools (mostly GitHub operations like create/delete) suggest data retrieval without modification.
Attacks that exploit this kind of access
slack_list_files. It is categorised as a Read tool in the Mcp Gmail MCP Server, which means it retrieves data without modifying state.
Register the Mcp Gmail MCP server in PolicyLayer and add a rule for slack_list_files: 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 Mcp Gmail. Nothing to install.
slack_list_files 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 slack_list_files 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 slack_list_files. 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.
slack_list_files is provided by the Mcp Gmail MCP server (@monsoft/mcp-gmail). 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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