hippo_document_search

Substring (lexical, case-insensitive) search over ingested

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-search.md

What hippo_document_search does on Verimem

AI agents call hippo_document_search 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_document_search is rated Low

This tool retrieves information through a search query without creating, modifying, deleting, or executing any operations. It is a passive read operation with no side effects. Low severity because search operations have minimal blast radius even if misused, as they cannot alter system state or access unauthorized data directly (assuming appropriate access controls are in place).

From the tool's definition Tool is a 'search' operation performing 'substring (lexical, case-insensitive) search over ingested' content. No modification, deletion, or execution is performed—only querying/retrieval of data.

Questions about hippo_document_search

What does the hippo_document_search tool do? +

Substring (lexical, case-insensitive) search over ingested. 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_search? +

Register the Verimem MCP server in PolicyLayer and add a rule for hippo_document_search: 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_search? +

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

Can I rate-limit hippo_document_search? +

Yes. Add a rate_limit block to the hippo_document_search 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_search completely? +

Set action: deny in the PolicyLayer policy for hippo_document_search. 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_search? +

hippo_document_search 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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