Simple Moving Average (SMA)
AI agents call technicalIndicators_sma to retrieve information from MCP Avantage without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and calculates a technical indicator from financial data without modifying, deleting, or executing any operations with side effects. It performs a read-only mathematical transformation on historical price data to produce an analytical metric. No financial transactions, code execution, or data modification occurs. This is a typical Read operation common in financial analysis APIs.
From the tool's definition Tool name 'technicalIndicators_sma' and description 'Simple Moving Average (SMA)' indicate a technical analysis calculation. SMA is a standard financial analysis metric that computes the average price over a fixed window of historical price data.
Attacks that exploit this kind of access
Simple Moving Average (SMA). It is categorised as a Read tool in the MCP Avantage MCP Server, which means it retrieves data without modifying state.
Register the MCP Avantage MCP server in PolicyLayer and add a rule for technicalIndicators_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 MCP Avantage. Nothing to install.
technicalIndicators_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 technicalIndicators_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 technicalIndicators_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.
technicalIndicators_sma is provided by the MCP Avantage MCP server (missionsquad/mcp-avantage). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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