hippo_episode_replay
FORGIA #256 — render an episode as markdown
This record as markdown: /tools/verimem/hippo-episode-replay.md
What hippo_episode_replay does on Verimem
AI agents call hippo_episode_replay 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_episode_replay is rated Low
This tool retrieves and formats existing data for presentation (rendering as markdown). It has no side effects, does not execute code or commands, does not modify or delete data, and does not involve financial transactions.
From the tool's definition Tool name 'hippo_episode_replay' and description 'render an episode as markdown' indicate retrieval and display of stored episode data in markdown format. No modification, deletion, execution, or financial operations are performed.
Attacks that exploit this kind of access
The rule that runs hippo_episode_replay 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_replay, this is the rule to start with:
hippo_episode_replay is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Verimem, apply this rule, and every hippo_episode_replay call is checked against it from then on.
Questions about hippo_episode_replay
FORGIA #256 — render an episode as markdown. It is categorised as a Read tool in the Verimem MCP Server, which means it retrieves data without modifying state.
Register the Verimem MCP server in PolicyLayer and add a rule for hippo_episode_replay: 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.
hippo_episode_replay 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 hippo_episode_replay 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 hippo_episode_replay. 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.
hippo_episode_replay 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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