AI agents call get_user_comments to retrieve information from Reddirect without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves or queries user comments from Reddit—a read-only operation with no side effects. It fits the 'Read' category: retrieve or query data with no side effects. The low severity reflects minimal blast radius; misuse would only expose comments already accessible via Reddit's public interface.
From the tool's definition Tool name 'get_user_comments' and description 'Get a Reddit user' indicate data retrieval. The sibling tools include destructive operations (delete_content) and write operations (create_post, edit_content), but this tool itself only retrieves user comment…
Attacks that exploit this kind of access
Get a Reddit user. It is categorised as a Read tool in the Reddirect MCP Server, which means it retrieves data without modifying state.
Register the Reddirect 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 Reddirect. Nothing to install.
get_user_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 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.
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.
get_user_comments is provided by the Reddirect MCP server (jeebus87/reddirect). 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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