get-notifications · NestJS MCP Server Module MCP

WHAT IT DOES

What get-notifications does on NestJS MCP Server Module

AI agents call get-notifications to retrieve information from NestJS MCP Server Module without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why get-notifications needs a policy

This tool retrieves notification data for a user without creating, modifying, deleting, or executing any operations. It is a straightforward read operation with minimal risk—at worst, an agent could retrieve notifications for an unauthorized user if access controls are insufficiently enforced elsewhere.

From the tool's definition Tool name 'get-notifications' and description 'Get all notifications for a user' indicate a retrieval operation with no modification of state.

Attacks that exploit this kind of access

Questions about get-notifications

What does the get-notifications tool do? +

Get all notifications for a user. It is categorised as a Read tool in the NestJS MCP Server Module MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get-notifications? +

Register the NestJS MCP Server Module MCP server in PolicyLayer and add a rule for get-notifications: 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 NestJS MCP Server Module. Nothing to install.

What risk level is get-notifications? +

get-notifications is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get-notifications? +

Yes. Add a rate_limit block to the get-notifications 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.

How do I block get-notifications completely? +

Set action: deny in the PolicyLayer policy for get-notifications. 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.

What MCP server provides get-notifications? +

get-notifications is provided by the NestJS MCP Server Module MCP server (rekog-labs/mcp-nest). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.