List all valid sector and education codes.
AI agents call list_codes to retrieve information from LUSTAT Wages MCP Server 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 valid code values without creating, modifying, deleting, executing external operations, or affecting financial data. It is a straightforward informational query with minimal blast radius if misused by an AI agent.
From the tool's definition Tool description states 'List all valid sector and education codes' - a retrieval operation with no modification or side effects. The verb 'list' indicates a read-only query of available codes.
Attacks that exploit this kind of access
List all valid sector and education codes. It is categorised as a Read tool in the LUSTAT Wages MCP Server MCP Server, which means it retrieves data without modifying state.
Register the LUSTAT Wages MCP Server MCP server in PolicyLayer and add a rule for list_codes: 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 LUSTAT Wages MCP Server. Nothing to install.
list_codes 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_codes 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_codes. 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_codes is provided by the LUSTAT Wages MCP Server MCP server (poseidon73561/lustattest-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.
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