AI agents call fred_search to retrieve information from Econstats without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves or queries publicly available economic data with no side effects, fitting the Read category. The severity is low because it accesses read-only public data (FRED series metadata/search results) with no destructive, financial, or code execution risks. The description is slightly truncated but clearly indicates search/retrieval only.
From the tool's definition Tool name 'fred_search' and description indicate it 'Search[es] for FRED economic data series by keyword' with no mention of modification, deletion, or execution capabilities. FRED is a public economic database maintained by the Federal Reserve.
Attacks that exploit this kind of access
Search for FRED economic data series by keyword. FRED has 800K+ US series covering GDP, employment, inflation, interest rates, housing, trade, and more. Use this when you don. It is categorised as a Read tool in the Econstats MCP Server, which means it retrieves data without modifying state.
Register the Econstats MCP server in PolicyLayer and add a rule for fred_search: 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 Econstats. Nothing to install.
fred_search 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_search 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_search. 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_search is provided by the Econstats MCP server (joshfwaldman1/econstats-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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