Get current user information
AI agents call linear_get_user to retrieve information from Linear MCP Server 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 without creating, modifying, deleting, or executing operations. It has minimal blast radius—an AI agent misusing this tool would only expose the authenticated user's profile data, not affecting system state or other users. Classified as Read with low severity.
From the tool's definition Tool name 'linear_get_user' and description 'Get current user information' indicate a retrieval operation with no side effects. The verb 'Get' and context of fetching user data align with read-only data retrieval.
Attacks that exploit this kind of access
Get current user information. It is categorised as a Read tool in the Linear MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Linear MCP Server MCP server in PolicyLayer and add a rule for linear_get_user: 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 Linear MCP Server. Nothing to install.
linear_get_user 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 linear_get_user 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 linear_get_user. 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.
linear_get_user is provided by the Linear MCP Server MCP server (timottowitz/linear-mcp). 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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