list_milestones

List all milestones (project milestones) in the workspace, optionally filtered by project

SERVERLinear Kanban Server SOURCE0xikarus/linear-kanban-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/0xikarus-linear-kanban-mcp/list-milestones.md

WHAT IT DOES

What list_milestones does on Linear Kanban Server

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

RISK

Why list_milestones is rated Low

This tool retrieves or queries existing milestone data from the Linear workspace without creating, modifying, or deleting any resources. It is a straightforward read operation with minimal security risk, as it only exposes information the user should already have access to within their workspace.

From the tool's definition Tool name 'list_milestones' and description 'List all milestones' indicate a retrieval operation with no modification of data. The optional filtering parameter does not change this—it remains a query-only action with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_milestones safely

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

list_milestones Allowed

list_milestones 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": {
    "list_milestones": {}
  }
}

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

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

FAQ

Questions about list_milestones

What does the list_milestones tool do? +

List all milestones (project milestones) in the workspace, optionally filtered by project. It is categorised as a Read tool in the Linear Kanban Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_milestones? +

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

What risk level is list_milestones? +

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

Can I rate-limit list_milestones? +

Yes. Add a rate_limit block to the list_milestones 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 list_milestones completely? +

Set action: deny in the PolicyLayer policy for list_milestones. 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 list_milestones? +

list_milestones is provided by the Linear Kanban Server MCP server (0xikarus/linear-kanban-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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