Get Simple Moving Average (SMA) technical indicator
AI agents call get_technical_indicator_sma to retrieve information from Financial Modeling Prep (FMP) 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 technical indicator data (SMA) for analysis purposes. It performs a read-only query to fetch pre-calculated financial metrics. No data is created, modified, deleted, or any external operations are triggered. This is consistent with the 'Read' category for tools that retrieve or query data without side effects.
From the tool's definition Tool name contains 'get_' prefix and description states 'Get Simple Moving Average (SMA) technical indicator' — a data retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
Get Simple Moving Average (SMA) technical indicator. It is categorised as a Read tool in the Financial Modeling Prep (FMP) MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Financial Modeling Prep (FMP) MCP Server MCP server in PolicyLayer and add a rule for get_technical_indicator_sma: 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 Financial Modeling Prep (FMP) MCP Server. Nothing to install.
get_technical_indicator_sma 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_technical_indicator_sma 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_technical_indicator_sma. 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_technical_indicator_sma is provided by the Financial Modeling Prep (FMP) MCP Server MCP server (jackdark425/aigroup-fmp-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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