AI agents call sst_list_tabs to retrieve information from MCP-SST without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves metadata about available log tabs/files but does not modify, delete, execute code, or produce financial effects. It is a simple enumeration operation used for discovery and monitoring purposes. The blast radius of misuse is minimal—an AI agent could at worst discover which logs exist, but cannot alter state or execute operations.
From the tool's definition Tool name 'sst_list_tabs' and description 'List all available log tabs/files from SST dev' indicate a query/retrieval operation with no side effects. The verb 'list' is a read-only action.
Attacks that exploit this kind of access
List all available log tabs/files from SST dev. It is categorised as a Read tool in the MCP-SST MCP Server, which means it retrieves data without modifying state.
Register the MCP-SST MCP server in PolicyLayer and add a rule for sst_list_tabs: 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-SST. Nothing to install.
sst_list_tabs 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 sst_list_tabs 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 sst_list_tabs. 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.
sst_list_tabs is provided by the MCP-SST MCP server (shanewwarren/mcp-sst). 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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