List series in a FRED category
AI agents call fred_get_category_series to retrieve information from FRED MCP Server 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 retrieves and lists publicly available economic data from FRED categories. It has no side effects, does not modify data, execute code, delete anything, or involve financial transactions. It is purely informational data retrieval, fitting the Read category with low severity.
From the tool's definition Tool name is 'fred_get_category_series' and description is 'List series in a FRED category' — both indicate data retrieval with no modification.
Attacks that exploit this kind of access
List series in a FRED category. It is categorised as a Read tool in the FRED MCP Server MCP Server, which means it retrieves data without modifying state.
Register the FRED MCP Server MCP server in PolicyLayer and add a rule for fred_get_category_series: 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 FRED MCP Server. Nothing to install.
fred_get_category_series 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 fred_get_category_series 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 fred_get_category_series. 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.
fred_get_category_series is provided by the FRED MCP Server MCP server (milind-kulshrestha/fred_mcp_server). 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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