Get the current live value of a portfolio: total value, P&L, and per-position breakdown.
AI agents call get_portfolio_value to retrieve information from Sablier 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 and queries current portfolio financial data (total value, profit/loss, position details). It has no side effects—it does not create, modify, delete, or execute external operations. It falls squarely into the Read category with low severity because unauthorized access would expose financial information but cannot directly cause financial harm or alter account state.
From the tool's definition Tool name 'get_portfolio_value' and description 'Get the current live value of a portfolio: total value, P&L, and per-position breakdown' indicate data retrieval only.
Attacks that exploit this kind of access
Get the current live value of a portfolio: total value, P&L, and per-position breakdown. It is categorised as a Read tool in the Sablier MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Sablier MCP Server MCP server in PolicyLayer and add a rule for get_portfolio_value: 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 Sablier MCP Server. Nothing to install.
get_portfolio_value 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_portfolio_value 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_portfolio_value. 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_portfolio_value is provided by the Sablier MCP Server MCP server (sablier-ai/sablier-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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