Get position margin change history.
AI agents call getPositionMarginHistory 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 margin change data for positions. The verb 'Get' and the historical nature of the query (accessing past records) indicate this is a pure read operation with no side effects, no financial transactions, and no modifications to data or positions. While it relates to a financial system, it does not itself move money or create financial obligations.
From the tool's definition Tool name 'getPositionMarginHistory' and description 'Get position margin change history' indicate a retrieval operation that queries historical data without modification or side effects.
Attacks that exploit this kind of access
Get position margin change 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 getPositionMarginHistory: 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.
getPositionMarginHistory 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 getPositionMarginHistory 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 getPositionMarginHistory. 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.
getPositionMarginHistory 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.
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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