Look up a Rocket.Chat user
AI agents call get_user_profile to retrieve information from Rocket Cli without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries user profile data from Rocket.Chat without creating, modifying, deleting, or executing anything. It is a pure lookup operation with no blast radius—retrieving user profile information is a standard read-only action that cannot harm systems or data.
From the tool's definition Tool name 'get_user_profile' and description 'Look up a Rocket.Chat user' indicate a retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
Look up a Rocket.Chat user. It is categorised as a Read tool in the Rocket Cli MCP Server, which means it retrieves data without modifying state.
Register the Rocket Cli MCP server in PolicyLayer and add a rule for get_user_profile: 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 Rocket Cli. Nothing to install.
get_user_profile 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 get_user_profile 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 get_user_profile. 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.
get_user_profile is provided by the Rocket Cli MCP server (jeanfbrito/rocket-cli). 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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