greet-with-details · NestJS MCP Server Module MCP

WHAT IT DOES

What greet-with-details does on NestJS MCP Server Module

AI agents call greet-with-details 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 greet-with-details needs a policy

The tool name 'greet-with-details' and description referencing 'input validation with required parameters' both suggest this is a read/output tool that generates a greeting response. Greeting tools typically only read input and produce output without side effects.

From the tool's definition 'A tool to test input validation with required parameters' — description mentions testing input validation, name suggests greeting functionality

Attacks that exploit this kind of access

Questions about greet-with-details

What does the greet-with-details tool do? +

A tool to test input validation with required parameters. 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 greet-with-details? +

Register the NestJS MCP Server Module MCP server in PolicyLayer and add a rule for greet-with-details: 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 greet-with-details? +

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

Can I rate-limit greet-with-details? +

Yes. Add a rate_limit block to the greet-with-details 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 greet-with-details completely? +

Set action: deny in the PolicyLayer policy for greet-with-details. 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 greet-with-details? +

greet-with-details 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.