get_user_comments · Reddit MCP Server MCP: Risk & Policy

WHAT IT DOES

What get_user_comments does on Reddit MCP Server

AI agents call get_user_comments to retrieve information from Reddit MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why get_user_comments needs a policy

This tool retrieves existing comment data without side effects. The truncated French description ('Obtenir l') does not provide additional context, but the naming convention and server context confirm it is a retrieval operation. Read operations that expose user content carry low severity because they only query information without modifying, deleting, or executing code.

From the tool's definition Tool name is 'get_user_comments'; it retrieves comments from a user. Prefix 'get_' and the absence of creation, modification, or deletion language indicate a read-only operation.

Attacks that exploit this kind of access

Questions about get_user_comments

What does the get_user_comments tool do? +

Obtenir l. It is categorised as a Read tool in the Reddit MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_user_comments? +

Register the Reddit MCP Server MCP server in PolicyLayer and add a rule for get_user_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 Reddit MCP Server. Nothing to install.

What risk level is get_user_comments? +

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

Can I rate-limit get_user_comments? +

Yes. Add a rate_limit block to the get_user_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 get_user_comments completely? +

Set action: deny in the PolicyLayer policy for get_user_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 get_user_comments? +

get_user_comments is provided by the Reddit MCP Server MCP server (samy-clivolt/reddit-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.