AI agents call linear_getSubscriptions to retrieve information from Linear without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves subscription information for the authenticated user. It performs a read-only query operation with no side effects—it does not create, modify, delete, execute external operations, or involve financial transactions. The action is purely informational retrieval, fitting the Read category with low severity given the limited blast radius of accessing subscription metadata.
From the tool's definition Tool name 'linear_getSubscriptions' with description 'Get subscriptions for the current user' indicates retrieval of existing subscription data with no modification, creation, or deletion of data.
Documented attack patterns abuse exactly the kind of access linear_getSubscriptions gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Linear, and nothing reaches the server without passing your rules. This is the rule we recommend for linear_getSubscriptions:
{
"version": "1",
"default": "deny",
"tools": {
"linear_getSubscriptions": {}
}
}linear_getSubscriptions is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get subscriptions for the current user. It is categorised as a Read tool in the Linear MCP Server, which means it retrieves data without modifying state.
Register the Linear MCP server in PolicyLayer and add a rule for linear_getSubscriptions: 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.
linear_getSubscriptions 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_getSubscriptions 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_getSubscriptions. 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_getSubscriptions is provided by the Linear MCP server (tacticlaunch/mcp-linear). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 182 Linear tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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182 Linear tools catalogued and risk-classified — across an index of 42,500+ MCP servers.