get_history
AI agents call get_history 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.
Based on naming convention and the server's portfolio analysis context, 'get_history' most likely retrieves historical data (prices, flows, transactions) for analytical purposes. No indication of modifications, deletions, or financial transactions. The empty description reduces confidence slightly, but the name strongly suggests a read-only operation.
From the tool's definition Tool name 'get_history' suggests retrieval of historical data with no side effects. Description is empty, limiting certainty.
Attacks that exploit this kind of access
get_history. 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_history: 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_history 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_history 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_history. 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_history 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.
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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