Fetch a FRED series with optional date window.
AI agents call fred.series to retrieve information from Mcp Financial Data without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves economic data from FRED without creating, modifying, deleting, or executing operations. The 'fetch' action and 'optional date window' parameter confirm it queries and returns historical financial data. No destructive, financial transaction, or code execution capabilities are present.
From the tool's definition Tool name 'fred.series' and description 'Fetch a FRED series with optional date window' indicate data retrieval with no modification or side effects. FRED (Federal Reserve Economic Data) is a read-only time-series database.
Attacks that exploit this kind of access
Fetch a FRED series with optional date window. It is categorised as a Read tool in the Mcp Financial Data MCP Server, which means it retrieves data without modifying state.
Register the Mcp Financial Data MCP server in PolicyLayer and add a rule for fred.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 Mcp Financial Data. Nothing to install.
fred.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.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.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.series is provided by the Mcp Financial Data MCP server (sebaustin/mcp-financial-data). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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