hippo_query_skills

FORGIA #217 — structured query over the skill library.

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-query-skills.md

WHAT IT DOES

What hippo_query_skills does on Verimem

AI agents call hippo_query_skills 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_query_skills is rated Low

This tool performs a read-only query against a skill library. It retrieves or inspects existing data without creating, modifying, deleting, or executing arbitrary operations. The context of a memory engine reinforces that this is a lookup/retrieval capability. No destructive, financial, or code execution aspects are evident.

From the tool's definition Tool description states 'structured query over the skill library' — a retrieval operation with no modification or side effects. The name 'query' and the phrase 'over the skill library' indicate data retrieval only.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs hippo_query_skills 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_query_skills, this is the rule to start with:

hippo_query_skills Allowed

hippo_query_skills 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_query_skills": {}
  }
}

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_query_skills call is checked against it from then on.

FAQ

Questions about hippo_query_skills

What does the hippo_query_skills tool do? +

FORGIA #217 — structured query over the skill library. 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_query_skills? +

Register the Verimem MCP server in PolicyLayer and add a rule for hippo_query_skills: 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_query_skills? +

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

Can I rate-limit hippo_query_skills? +

Yes. Add a rate_limit block to the hippo_query_skills 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_query_skills completely? +

Set action: deny in the PolicyLayer policy for hippo_query_skills. 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_query_skills? +

hippo_query_skills 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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