hippo_summary_topic

Cycle #79 (2026-05-16). Narrative aggregator for a topic

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-summary-topic.md

What hippo_summary_topic does on Verimem

AI agents call hippo_summary_topic 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_summary_topic is rated Low

This tool reads and synthesizes narrative information about a topic. It has no capability to modify data (Write), execute arbitrary code (Execute), delete information (Destructive), move funds (Financial), or trigger external operations. The aggregation of existing narratives is a read-only operation with no side effects or blast radius if misused by an AI agent.

From the tool's definition Tool is described as a 'Narrative aggregator for a topic' which retrieves and aggregates existing information without creating, modifying, deleting, or executing operations. The verb 'aggregator' indicates data retrieval and synthesis.

Questions about hippo_summary_topic

What does the hippo_summary_topic tool do? +

Cycle #79 (2026-05-16). Narrative aggregator for a topic. 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_summary_topic? +

Register the Verimem MCP server in PolicyLayer and add a rule for hippo_summary_topic: 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_summary_topic? +

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

Can I rate-limit hippo_summary_topic? +

Yes. Add a rate_limit block to the hippo_summary_topic 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_summary_topic completely? +

Set action: deny in the PolicyLayer policy for hippo_summary_topic. 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_summary_topic? +

hippo_summary_topic 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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