Calculate Relative Strength Index (RSI) for a symbol
AI agents call calculate_rsi to retrieve information from Stock Analysis 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 and computes a technical indicator from market data without creating, modifying, deleting, or executing any transactions. It is purely analytical and read-only. While the server context mentions 'trade recommendations', this specific tool only calculates a metric. The severity is low because misuse would only produce incorrect analysis, not financial harm or system compromise.
From the tool's definition Tool name is 'calculate_rsi' and description states it 'Calculate[s] Relative Strength Index (RSI) for a symbol'. RSI is a technical analysis metric computed from historical price data.
Attacks that exploit this kind of access
Calculate Relative Strength Index (RSI) for a symbol. It is categorised as a Read tool in the Stock Analysis MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Stock Analysis MCP Server MCP server in PolicyLayer and add a rule for calculate_rsi: 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 Stock Analysis MCP Server. Nothing to install.
calculate_rsi 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 calculate_rsi 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 calculate_rsi. 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.
calculate_rsi is provided by the Stock Analysis MCP Server MCP server (tanayphatak/mcp_finance). 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.
Teams ship this data inside their own products. See what a licence covers →