hippo_episode_get

Fetch one episode in full — task, full ReAct trajectory,

SERVERVerimem SOURCEaureliocpr-ctrl/verimem

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/verimem/hippo-episode-get.md

WHAT IT DOES

What hippo_episode_get does on Verimem

AI agents call hippo_episode_get 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.

RISK

Why hippo_episode_get is rated Low

This tool retrieves stored memory episode data (task and reasoning trajectory). It performs a query operation with no side effects, no data modification, and no irreversible actions. The blast radius of misuse is minimal—an agent could retrieve sensitive historical data, but cannot alter or execute anything. Classified as Read with low severity.

From the tool's definition Tool name contains 'get' and description states 'Fetch one episode in full' — classic retrieval operation with no modification, deletion, or execution of code/commands.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs hippo_episode_get 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_episode_get, this is the rule to start with:

hippo_episode_get Allowed

hippo_episode_get is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Verimem, apply this rule, and every hippo_episode_get call is checked against it from then on.

FAQ

Questions about hippo_episode_get

What does the hippo_episode_get tool do? +

Fetch one episode in full — task, full ReAct trajectory,. It is categorised as a Read tool in the Verimem MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on hippo_episode_get? +

Register the Verimem MCP server in PolicyLayer and add a rule for hippo_episode_get: 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 Verimem. Nothing to install.

What risk level is hippo_episode_get? +

hippo_episode_get is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit hippo_episode_get? +

Yes. Add a rate_limit block to the hippo_episode_get 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.

How do I block hippo_episode_get completely? +

Set action: deny in the PolicyLayer policy for hippo_episode_get. 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.

What MCP server provides hippo_episode_get? +

hippo_episode_get is provided by the Verimem MCP server (aureliocpr-ctrl/verimem). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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