AI agents call memory_profile to retrieve information from Mementos without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and processes stored memories to generate a synthesized profile document. It performs no data mutations, deletions, or external side effects. Auto-refresh on preference changes is an internal state management detail, not a destructive operation. The output is informational and the tool has minimal blast radius if misused by an agent.
From the tool's definition Tool synthesizes and returns a profile from existing memories; 'Returns markdown profile' indicates output-only operation with no modification or deletion of underlying data. Caching behavior confirms read-only nature.
Attacks that exploit this kind of access
Synthesize a coherent profile from preference and fact memories using LLM. Cached for 24h, auto-refreshed when preferences change. Returns markdown profile. It is categorised as a Read tool in the Mementos MCP Server, which means it retrieves data without modifying state.
Register the Mementos MCP server in PolicyLayer and add a rule for memory_profile: 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 Mementos. Nothing to install.
memory_profile 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 memory_profile 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 memory_profile. 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.
memory_profile is provided by the Mementos MCP server (@hasna/mementos). 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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