Get specific memory by ID.
AI agents call get_by_memory_id to retrieve information from Vector Memory MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves a specific memory record by its identifier. It is a read-only query operation that has no side effects—it does not create, modify, delete, or execute any operations. The blast radius is minimal as misuse would only expose cached memory content to the AI agent without enabling any destructive or risky actions.
From the tool's definition Tool name 'get_by_memory_id' and description 'Get specific memory by ID' indicate a retrieval operation with no modification or deletion of data.
Attacks that exploit this kind of access
Get specific memory by ID. It is categorised as a Read tool in the Vector Memory MCP MCP Server, which means it retrieves data without modifying state.
Register the Vector Memory MCP server in PolicyLayer and add a rule for get_by_memory_id: 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 Vector Memory MCP. Nothing to install.
get_by_memory_id 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 get_by_memory_id 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 get_by_memory_id. 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.
get_by_memory_id is provided by the Vector Memory MCP server (xsaven/vector-memory-mcp). 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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