preview_memory_hygiene
A read tool on the Mapi Agent Memory MCP server.
This record as markdown: /tools/mapi-agent-memory/preview-memory-hygiene.md
What preview_memory_hygiene does on Mapi Agent Memory
AI agents call preview_memory_hygiene to retrieve information from Mapi Agent Memory without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why preview_memory_hygiene is rated Low
The 'preview' prefix typically indicates inspection or querying without side effects. Given the governance/auditable context of the server and the existence of an 'apply' variant, this tool likely retrieves or displays memory hygiene analysis without modifying data. Confidence is moderate (0.7) due to empty description, but the naming pattern strongly suggests a Read operation.
From the tool's definition Tool name 'preview_memory_hygiene' suggests a read-only inspection operation, consistent with 'preview' prefix. Sibling tools include 'apply_memory_hygiene' (which modifies state), distinguishing this as the non-destructive preview variant.
Attacks that exploit this kind of access
The rule that runs preview_memory_hygiene safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Mapi Agent Memory, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For preview_memory_hygiene, this is the rule to start with:
preview_memory_hygiene is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Mapi Agent Memory, apply this rule, and every preview_memory_hygiene call is checked against it from then on.
Questions about preview_memory_hygiene
preview_memory_hygiene is a read tool on the Mapi Agent Memory MCP server. It is categorised as a Read tool in the Mapi Agent Memory MCP Server, which means it retrieves data without modifying state.
Register the Mapi Agent Memory MCP server in PolicyLayer and add a rule for preview_memory_hygiene: 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 Mapi Agent Memory. Nothing to install.
preview_memory_hygiene 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 preview_memory_hygiene 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 preview_memory_hygiene. 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.
preview_memory_hygiene is provided by the Mapi Agent Memory MCP server (cabo0m/mapi-agent-memory). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
More on Mapi Agent Memory, and thousands of servers like it.
This server
Across the catalogue