AI agents call list_components to retrieve information from Sdds without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a query operation that returns a list of component names from the design system. It has no side effects, does not modify data, and does not execute code or trigger external operations. It is a straightforward data retrieval operation typical of catalog or inventory queries.
From the tool's definition Tool description: 'retrieves the names of all available ${libraryName} components.' The verb 'retrieves' and the read-only nature of listing components without modification or side effects.
Attacks that exploit this kind of access
This tool retrieves the names of all available ${libraryName} components. It is categorised as a Read tool in the Sdds MCP Server, which means it retrieves data without modifying state.
Register the Sdds MCP server in PolicyLayer and add a rule for list_components: 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 Sdds. Nothing to install.
list_components 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 list_components 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 list_components. 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.
list_components is provided by the Sdds MCP server (@salutejs/sdds-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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