reddit_subreddits_posts
List Reddit multi-subreddit posts. Returns normalized public posts from a combined multi-subreddit feed.
This record as markdown: /tools/crawlora-mcp/reddit-subreddits-posts.md
What reddit_subreddits_posts does on Crawlora
AI agents call reddit_subreddits_posts to retrieve information from Crawlora 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 |
|---|---|---|---|
sort | string | — | Sort: hot, new, top, or rising |
time | string | — | Time window for top sort: hour, day, week, month, year, or all |
after | string | — | Reddit pagination token |
limit | integer | — | Maximum posts, defaults to 25 and clamps to 100 |
subreddits | string | Yes | Comma-separated subreddit names, without r/, maximum 10 |
Parameters from the server's own tool schema.
Why reddit_subreddits_posts is rated Low
This tool queries and retrieves public posts from Reddit subreddits. It performs a read-only operation (list/fetch) on publicly available data without creating, modifying, deleting, or executing any actions. The normalized post data returned represents a simple data retrieval operation characteristic of Read category tools.
From the tool's definition Tool description states 'List Reddit multi-subreddit posts' and 'Returns normalized public posts', indicating retrieval of existing public data with no modification or side effects.
Attacks that exploit this kind of access
The rule that runs reddit_subreddits_posts safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Crawlora, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For reddit_subreddits_posts, this is the rule to start with:
reddit_subreddits_posts is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Crawlora, apply this rule, and every reddit_subreddits_posts call is checked against it from then on.
Questions about reddit_subreddits_posts
List Reddit multi-subreddit posts. Returns normalized public posts from a combined multi-subreddit feed. It is categorised as a Read tool in the Crawlora MCP Server, which means it retrieves data without modifying state.
reddit_subreddits_posts accepts 5 parameters: sort, time, after, limit, subreddits. Required: subreddits. The full parameter table on this page comes from the server's own tool schema.
Register the Crawlora MCP server in PolicyLayer and add a rule for reddit_subreddits_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 Crawlora. Nothing to install.
reddit_subreddits_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 reddit_subreddits_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 reddit_subreddits_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.
reddit_subreddits_posts is provided by the Crawlora MCP server (crawlora-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
More on Crawlora, and thousands of servers like it.
This server
Across the catalogue