Get recent posts from a specific subreddit. Returns titles, scores, and URLs.
AI agents call subreddit_posts to retrieve information from Reddit Search without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool queries and retrieves public Reddit data without creating, modifying, deleting, or executing any operations. The returned data (titles, scores, URLs) are informational only. This is a straightforward read operation with minimal risk even if misused by an AI agent, as it only accesses publicly available information.
From the tool's definition Tool description states it 'Get[s] recent posts from a specific subreddit. Returns titles, scores, and URLs.' This is a retrieval operation with no modification or deletion of data.
Attacks that exploit this kind of access
Get recent posts from a specific subreddit. Returns titles, scores, and URLs. It is categorised as a Read tool in the Reddit Search MCP Server, which means it retrieves data without modifying state.
Register the Reddit Search MCP server in PolicyLayer and add a rule for subreddit_posts: 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 Search. Nothing to install.
subreddit_posts 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 subreddit_posts 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 subreddit_posts. 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.
subreddit_posts is provided by the Reddit Search MCP server (uniteum/reddit-search). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
subreddit_posts is one line of Reddit Search's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
Teams ship this data inside their own products. See what a licence covers →