This record as markdown: /tools/demomagic-lucy-apro/greet.md
What greet does on Lucy Apro
AI agents call greet to retrieve information from Lucy Apro without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
name | string | — | The name of the user to greet |
Parameters from the server's own tool schema.
Why greet is rated Low
This is a straightforward interaction tool that outputs a greeting. It performs no data retrieval beyond generating a simple response, makes no modifications, executes no code or commands, and causes no irreversible changes. The closest fit is Read (as it involves retrieving/displaying information) despite being more accurately classified as a stateless interaction. It poses minimal risk.
From the tool's definition Tool named 'greet' with description 'Greet the user' — a simple greeting function that retrieves or displays a message to the user with no side effects, data modification, or external operations.
Attacks that exploit this kind of access
The rule that runs greet safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Lucy Apro, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For greet, this is the rule to start with:
greet 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 Lucy Apro, apply this rule, and every greet call is checked against it from then on.
Questions about greet
Greet the user. It is categorised as a Read tool in the Lucy Apro MCP Server, which means it retrieves data without modifying state.
greet accepts 1 parameter: name. The full parameter table on this page comes from the server's own tool schema.
Register the Lucy Apro MCP server in PolicyLayer and add a rule for 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 Lucy Apro. Nothing to install.
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 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 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.
greet is provided by the Lucy Apro MCP server (demomagic/lucy-apro). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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