Get income history.
AI agents call getIncomeHistory to retrieve information from Aster Finance 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 historical income data from the Aster Finance account without modifying data, executing trades, or moving funds. While it operates in a financial context (cryptocurrency trading platform), the tool itself only queries and returns information. The blast radius of misuse is limited to potential exposure of sensitive income/earnings data, which does not cause financial loss or trigger transactions.
From the tool's definition Tool name 'getIncomeHistory' and description 'Get income history' indicate a retrieval operation with no modification or side effects. The verb 'Get' and lack of action words like 'create', 'delete', 'execute', or 'transfer' confirm read-only functionality.
Attacks that exploit this kind of access
Get income history. It is categorised as a Read tool in the Aster Finance MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Aster Finance MCP Server MCP server in PolicyLayer and add a rule for getIncomeHistory: 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 Aster Finance MCP Server. Nothing to install.
getIncomeHistory 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 getIncomeHistory 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 getIncomeHistory. 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.
getIncomeHistory is provided by the Aster Finance MCP Server MCP server (questflowai/aster-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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