hippo_topic_cleanup_suggestions
Cycle #85 (2026-05-16). For each fact with empty/None
This record as markdown: /tools/verimem/hippo-topic-cleanup-suggestions.md
What hippo_topic_cleanup_suggestions does on Verimem
AI agents call hippo_topic_cleanup_suggestions 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_topic_cleanup_suggestions is rated Low
The tool appears to generate suggestions about topics based on fact status inspection—a Read operation that queries and analyzes data without modifying it. The truncated description limits confidence; if the tool actually applies cleanup operations, it could be Write or Destructive, but the 'suggestions' framing and sibling tools (hippo_assess_confidence, hippo_assess_fact_freshness, hippo_audit_summary) suggest…
From the tool's definition Tool name contains 'suggestions' and description indicates it retrieves/analyzes facts with empty/None values. No mutation or deletion keywords present. However, description is truncated ('For each fact with empty/None') making full intent unclear.
Attacks that exploit this kind of access
The rule that runs hippo_topic_cleanup_suggestions 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_topic_cleanup_suggestions, this is the rule to start with:
hippo_topic_cleanup_suggestions 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_topic_cleanup_suggestions call is checked against it from then on.
Questions about hippo_topic_cleanup_suggestions
Cycle #85 (2026-05-16). For each fact with empty/None. 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_topic_cleanup_suggestions: 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_topic_cleanup_suggestions 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_topic_cleanup_suggestions 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_topic_cleanup_suggestions. 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_topic_cleanup_suggestions 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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