get_tema
AI agents call get_tema 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.
Based on the naming convention consistent with sibling tools and the context of an AlphaVantage MCP server focused on providing financial data access, this tool retrieves technical indicator data. It performs a read-only query operation with no side effects. Confidence is moderate (0.7) because the tool description is empty, requiring inference from context and naming patterns.
From the tool's definition Tool name 'get_tema' follows the naming pattern of sibling tools (get_ad, get_adosc, get_adx, etc.) which are all technical indicators and financial data retrievals. TEMA is a standard technical indicator (Triple Exponential Moving Average).
Attacks that exploit this kind of access
get_tema. 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_tema: 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_tema 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_tema 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_tema. 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_tema 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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