hippo_document_versions

The HISTORY of one source document: every snapshot ever

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-document-versions.md

WHAT IT DOES

What hippo_document_versions does on Verimem

AI agents call hippo_document_versions 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_document_versions is rated Low

Retrieves historical snapshots of a document with no mutation, deletion, or execution capability.

From the tool's definition The HISTORY of one source document: every snapshot ever

Risk signalsBulk/mass operation — affects multiple targets

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs hippo_document_versions 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_document_versions, this is the rule to start with:

hippo_document_versions Allowed

hippo_document_versions 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_document_versions": {}
  }
}

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_document_versions call is checked against it from then on.

FAQ

Questions about hippo_document_versions

What does the hippo_document_versions tool do? +

The HISTORY of one source document: every snapshot ever. 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_document_versions? +

Register the Verimem MCP server in PolicyLayer and add a rule for hippo_document_versions: 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_document_versions? +

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

Can I rate-limit hippo_document_versions? +

Yes. Add a rate_limit block to the hippo_document_versions 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_document_versions completely? +

Set action: deny in the PolicyLayer policy for hippo_document_versions. 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_document_versions? +

hippo_document_versions 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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