Admin-only greeting that requires admin scopes
AI agents call admin-greet 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.
This tool retrieves or returns a greeting message to an authenticated admin user. It has no side effects on data, does not execute code, and does not modify system state. Despite admin-only access control, the underlying action is a simple read operation. The 'admin-action' sibling suggests other tools on this server may have elevated risk, but this specific tool's function is informational only.
From the tool's definition Tool name is 'admin-greet' and description states it 'requires admin scopes' with no mention of data modification, deletion, or external effects.
Risk signalsAdmin/system-level operation
Attacks that exploit this kind of access
Admin-only greeting that requires admin scopes. It is categorised as a Read tool in the NestJS MCP Server Module MCP Server, which means it retrieves data without modifying state.
Register the NestJS MCP Server Module MCP server in PolicyLayer and add a rule for admin-greet: 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.
admin-greet 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 admin-greet 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 admin-greet. 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.
admin-greet 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.
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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