Minus Directional Movement (-DM)
AI agents call technicalIndicators_minusDM 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 or calculates a technical indicator value for analysis purposes. It has no side effects, does not execute trades, does not modify data, and does not involve financial transactions. The -DM (Minus Directional Movement) is a read-only analytical metric derived from historical price data.
From the tool's definition Tool name 'technicalIndicators_minusDM' and description 'Minus Directional Movement (-DM)' indicate retrieval of a technical analysis indicator.
Attacks that exploit this kind of access
Minus Directional Movement (-DM). 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_minusDM: 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_minusDM 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_minusDM 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_minusDM. 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_minusDM 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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