create-issue · Linear MCP Server MCP: Risk & Policy

WHAT IT DOES

What create-issue does on Linear MCP Server

AI agents use create-issue to create or update resources in Linear MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Linear MCP Server environment.

WHY IT NEEDS A POLICY

Why create-issue needs a policy

This tool creates a new issue in Linear, which is a reversible write operation. It modifies the Linear workspace by adding a new resource but does not delete data (ruling out Destructive), execute arbitrary code (ruling out Execute), or involve financial transactions (ruling out Financial).

From the tool's definition Tool name is 'create-issue' and description states 'Create a new Linear issue'. The verb 'Create' indicates data creation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create-issue Rate-limited

create-issue stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "create-issue": {
      "limits": [
        {
          "counter": "create-issue_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Linear MCP Server, so you can run agents against it safely.

FAQ

Questions about create-issue

What does the create-issue tool do? +

Create a new Linear issue. It is categorised as a Write tool in the Linear MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create-issue? +

Register the Linear MCP Server MCP server in PolicyLayer and add a rule for create-issue: 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.

What risk level is create-issue? +

create-issue is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit create-issue? +

Yes. Add a rate_limit block to the create-issue 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 create-issue completely? +

Set action: deny in the PolicyLayer policy for create-issue. 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 create-issue? +

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