Get a list of users in the Linear organization
AI agents call linear_getUsers 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 from Linear without modifying, creating, or deleting any data. It is a standard read operation that returns organizational user data. The severity is low as the blast radius of misuse is minimal—exposure of a user list is typically low-risk unless the organization treats user information as highly sensitive, but this is the normal operational use case for such queries.
From the tool's definition Tool name 'linear_getUsers' and description 'Get a list of users in the Linear organization' indicate a query/retrieval operation with no side effects.
Attacks that exploit this kind of access
Get a list of users in the Linear organization. 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_getUsers: 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_getUsers 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_getUsers 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_getUsers. 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_getUsers is provided by the Linear MCP Server MCP server (wkoutre/linear-mcp-server). 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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