Plus Directional Indicator (+DI)
AI agents call technicalIndicators_plusDI 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 based on existing financial data. Technical indicators like +DI are read-only analytical outputs derived from price/volume data. There is no side effect on any system, no data modification, and no triggering of trades or financial transactions. This is purely an informational read operation with minimal security risk.
From the tool's definition Tool name 'technicalIndicators_plusDI' and description 'Plus Directional Indicator (+DI)' indicate retrieval of a technical analysis indicator.
Attacks that exploit this kind of access
Plus Directional Indicator (+DI). 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_plusDI: 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_plusDI 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_plusDI 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_plusDI. 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_plusDI 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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