linear_getViewer

Get information about the currently authenticated user

SERVERLinear SOURCE@linear-mcp-server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade D, identity verified Pull the record →

This record as markdown: /tools/linear/linear-getviewer.md

WHAT IT DOES

What linear_getViewer does on Linear

AI agents call linear_getViewer to retrieve information from Linear without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why linear_getViewer is rated Low

This tool performs a read-only operation to fetch metadata about the authenticated user. It has no side effects, cannot modify any data, and presents minimal risk. The blast radius is very small as it only exposes information already available to the authenticated session. Classified as Read with low severity.

From the tool's definition Tool name 'getViewer' and description 'Get information about the currently authenticated user' indicate a query operation that retrieves user data without modification.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs linear_getViewer safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Linear, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For linear_getViewer, this is the rule to start with:

linear_getViewer Allowed

linear_getViewer is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "linear_getViewer": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Linear, apply this rule, and every linear_getViewer call is checked against it from then on.

FAQ

Questions about linear_getViewer

What does the linear_getViewer tool do? +

Get information about the currently authenticated user. It is categorised as a Read tool in the Linear MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on linear_getViewer? +

Register the Linear MCP server in PolicyLayer and add a rule for linear_getViewer: 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. Nothing to install.

What risk level is linear_getViewer? +

linear_getViewer is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit linear_getViewer? +

Yes. Add a rate_limit block to the linear_getViewer 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.

How do I block linear_getViewer completely? +

Set action: deny in the PolicyLayer policy for linear_getViewer. 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.

What MCP server provides linear_getViewer? +

linear_getViewer is provided by the Linear MCP server (@linear-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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