AI agents call category_summary to retrieve information from Mind Mem without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool appears designed to retrieve or summarize information organized by categories from the memory layer. Given the pattern of sibling tools (hybrid_search, find_similar, list_contradictions), which are primarily read operations, and the absence of language suggesting state modification or side effects, this tool most likely retrieves categorical summaries rather than executing, deleting, or modifying data.
From the tool's definition Tool name 'category_summary' suggests retrieval or aggregation of categorical data. Description is empty, limiting definitive classification.
Attacks that exploit this kind of access
category_summary. It is categorised as a Read tool in the Mind Mem MCP Server, which means it retrieves data without modifying state.
Register the Mind Mem MCP server in PolicyLayer and add a rule for category_summary: 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 Mind Mem. Nothing to install.
category_summary 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 category_summary 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 category_summary. 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.
category_summary is provided by the Mind Mem MCP server (ovidiu-eremia/mind-mem). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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