Shortcut: Get Consumer Price Index data
AI agents call get_cpi to retrieve information from BLS (Bureau of Labor Statistics) 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 historical Consumer Price Index inflation rates from the U.S. Bureau of Labor Statistics. It is a straightforward read-only query function that returns published economic data. There are no side effects, no data modification, no code execution, and no financial transactions.
From the tool's definition Tool name 'get_cpi' and description 'Shortcut: Get Consumer Price Index data' indicate data retrieval with no side effects. Server description confirms tools provide access to 'query' labor market data rather than modify or execute operations.
Attacks that exploit this kind of access
Shortcut: Get Consumer Price Index data. It is categorised as a Read tool in the BLS (Bureau of Labor Statistics) MCP Server MCP Server, which means it retrieves data without modifying state.
Register the BLS (Bureau of Labor Statistics) MCP Server MCP server in PolicyLayer and add a rule for get_cpi: 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 BLS (Bureau of Labor Statistics) MCP Server. Nothing to install.
get_cpi 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 get_cpi 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 get_cpi. 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.
get_cpi is provided by the BLS (Bureau of Labor Statistics) MCP Server MCP server (shawndrake2/mcp-bls). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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