list_comments

List comments for a specific Linear issue

SERVERLinear SOURCE@linear-mcp-server

Low RISK CLASS

Category Read

Parameters 10 required

Recommended Allowedsee the rule below

Registry record Grade D, identity verified Pull the record →

This record as markdown: /tools/linear/list-comments.md

WHAT IT DOES

What list_comments does on Linear

AI agents call list_comments 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.

Parameter	Type	Required	Description
`issueId`	string	—	The issue ID

Parameters from the server's own tool schema.

RISK

Why list_comments is rated Low

This tool queries and retrieves existing comment data from a Linear issue. It performs no write, deletion, execution, or financial operations. The blast radius of misuse is minimal — an agent could retrieve comments it shouldn't access, but cannot modify or delete them.

From the tool's definition Tool name is 'list_comments' and description states 'List comments for a specific Linear issue' — this is a retrieval operation with no modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_comments 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 list_comments, this is the rule to start with:

list_comments Allowed

list_comments 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_comments": {}
  }
}

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 list_comments call is checked against it from then on.

FAQ

Questions about list_comments

What does the list_comments tool do? +

List comments for a specific Linear issue. It is categorised as a Read tool in the Linear MCP Server, which means it retrieves data without modifying state.

What parameters does list_comments accept? +

list_comments accepts 1 parameter: issueId. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on list_comments? +

Register the Linear MCP server in PolicyLayer and add a rule for list_comments: 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 list_comments? +

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

Can I rate-limit list_comments? +

Yes. Add a rate_limit block to the list_comments 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_comments completely? +

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

list_comments 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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