list_document_comments
AI agents call list_document_comments to retrieve information from Outline MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool retrieves or lists comments associated with documents without creating, modifying, or deleting data. This is a query operation with no side effects. Despite the empty description, the semantic meaning of 'list' clearly indicates data retrieval. Low severity because listing comments has minimal blast radius—it only exposes existing information without enabling destructive or financial actions.
From the tool's definition Tool name 'list_document_comments' indicates retrieval of existing comments; the name pattern suggests a query/list operation typical of Read category tools. Description is empty, which reduces confidence slightly.
Attacks that exploit this kind of access
list_document_comments. It is categorised as a Read tool in the Outline MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Outline MCP Server MCP server in PolicyLayer and add a rule for list_document_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 Outline MCP Server. Nothing to install.
list_document_comments 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 list_document_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.
Set action: deny in the PolicyLayer policy for list_document_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.
list_document_comments is provided by the Outline MCP Server MCP server (mcp-outline). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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