AI agents call find_similar 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.
Despite the empty description, the tool name 'find_similar' combined with the server's stated 'hybrid search' functionality indicates this is a query/retrieval operation that searches for similar items in memory without modifying, deleting, or executing code. No side effects are expected.
From the tool's definition Tool name 'find_similar' and context of a memory layer with 'hybrid search' capability suggests retrieval of similar items from stored memory.
Attacks that exploit this kind of access
find_similar. 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 find_similar: 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.
find_similar 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 find_similar 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 find_similar. 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.
find_similar 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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