hippo_recall_as_of

What hippo_recall_as_of does on Verimem

AI agents call hippo_recall_as_of to retrieve information from Verimem without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Why hippo_recall_as_of is rated Low

This tool retrieves or queries data from a temporal memory system—a read-only operation that accesses facts as they existed at a specific point in time. No data is created, modified, deleted, or executed. The bi-temporal memory engine context confirms this is a query/retrieval mechanism. The blast radius of misuse is minimal since read operations cannot alter state or trigger external side effects.

From the tool's definition Tool name 'hippo_recall_as_of' and description 'TIME-TRAVEL recall over the bi-temporal store: the facts that' indicate retrieval/querying of historical facts from memory without modification, deletion, or external execution.

The rule that runs hippo_recall_as_of safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Verimem, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For hippo_recall_as_of, this is the rule to start with:

{
  "version": "1",
  "default": "deny",
  "tools": {
    "hippo_recall_as_of": {}
  }
}

Questions about hippo_recall_as_of