get_rsi · AlphaVantage MCP Server MCP: Risk & Policy

WHAT IT DOES

What get_rsi does on AlphaVantage MCP Server

AI agents call get_rsi to retrieve information from AlphaVantage MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why get_rsi needs a policy

This tool retrieves financial data without modifying it. Despite the empty description, the naming convention ('get_') and context (technical indicator on a financial data API) indicate a read-only query operation with no side effects. The AlphaVantage integration suggests standard market data retrieval, not trading or account modification.

From the tool's definition Tool name 'get_rsi' with 'get_' prefix indicates a retrieval operation. RSI (Relative Strength Index) is a read-only technical indicator.

Attacks that exploit this kind of access

Questions about get_rsi

What does the get_rsi tool do? +

get_rsi. It is categorised as a Read tool in the AlphaVantage MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_rsi? +

Register the AlphaVantage MCP Server MCP server in PolicyLayer and add a rule for get_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 AlphaVantage MCP Server. Nothing to install.

What risk level is get_rsi? +

get_rsi is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_rsi? +

Yes. Add a rate_limit block to the get_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.

How do I block get_rsi completely? +

Set action: deny in the PolicyLayer policy for get_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.

What MCP server provides get_rsi? +

get_rsi is provided by the AlphaVantage MCP Server MCP server (lifejwang11/alphavantage-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.