AI agents call linear_getAttachments 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 attachment metadata or files associated with a Linear issue. It performs a query operation with no side effects, state changes, or data manipulation. The action is read-only and safe, posing minimal risk even if called by an AI agent.
From the tool's definition Tool name 'linear_getAttachments' and description 'Get attachments for an issue' indicate a retrieval operation with the verb 'Get' and no modification or deletion semantics.
Documented attack patterns abuse exactly the kind of access linear_getAttachments 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_getAttachments:
{
"version": "1",
"default": "deny",
"tools": {
"linear_getAttachments": {}
}
}linear_getAttachments is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get attachments for an issue. 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_getAttachments: 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_getAttachments 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_getAttachments 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_getAttachments. 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_getAttachments 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.