Get a specific GitLab user by ID.
AI agents call get_user_tool to retrieve information from MCP Gitlab without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves user information from GitLab by ID. It performs a read-only query operation that does not create, modify, delete, or execute any actions. The blast radius of misuse is minimal—an attacker could enumerate or profile users but cannot alter GitLab state or compromise systems. Confidence is high because the description explicitly uses the word 'Get', a clear indicator of read-only retrieval.
From the tool's definition Tool name 'get_user_tool' and description 'Get a specific GitLab user by ID' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
Get a specific GitLab user by ID. It is categorised as a Read tool in the MCP Gitlab MCP Server, which means it retrieves data without modifying state.
Register the MCP Gitlab MCP server in PolicyLayer and add a rule for get_user_tool: 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 MCP Gitlab. Nothing to install.
get_user_tool 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_tool 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_tool. 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_tool is provided by the MCP Gitlab MCP server (mcp-gitlab-crunchtools). 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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