get_trima
AI agents call get_trima 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.
This tool retrieves a technical indicator value from AlphaVantage's API. It reads financial data without modifying, deleting, or executing any operations. No side effects or external actions are triggered. The confidence is slightly reduced due to the empty description, but the context from sibling tools and server purpose strongly suggests this is a straightforward Read operation.
From the tool's definition Tool name 'get_trima' follows the naming pattern of sibling tools (get_ad, get_adosc, get_adx, etc.), which are all technical indicator retrieval functions from AlphaVantage. TRIMA is a standard technical analysis indicator (Triangular Moving Average).
Attacks that exploit this kind of access
get_trima. It is categorised as a Read tool in the AlphaVantage MCP Server MCP Server, which means it retrieves data without modifying state.
Register the AlphaVantage MCP Server MCP server in PolicyLayer and add a rule for get_trima: 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.
get_trima 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 get_trima 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 get_trima. 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.
get_trima 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.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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