@sylvia/reddit-mcp

MCP server for Reddit data — subreddits, users, search, live comments. No OAuth required.

Install

npx @sylvia/reddit-mcp

Or install globally:

npm install -g @sylvia/reddit-mcp
sylvia-mcp

Quick Start

1. Get an API key at sylvia-api.com (free tier: 480 req/min, $0.50 credit)
2. Set environment variable:

export SYLVIA_API_KEY=your_key_here

3. Run the server:

npx @sylvia/reddit-mcp

Claude Desktop Config

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "sylvia-reddit": {
      "command": "npx",
      "args": ["@sylvia/reddit-mcp"],
      "env": {
        "SYLVIA_API_KEY": "your_key_here"
      }
    }
  }
}

Available Tools (26)

Tool	Description
subreddit_about	Get metadata about a subreddit
subreddit_posts	Get post listings (hot, new, top, rising)
subreddit_comments_live	Real-time comment stream for a subreddit
user_about	Get Reddit user profile metadata
user_posts	Get user's recent post history
user_comments	Get user's recent comment history
user_overview	Get combined activity feed (posts + comments)
submission	Fetch a single Reddit post by URL
comment	Fetch a single Reddit comment by URL
thread	Get fully resolved thread with all nested comments
search	Global keyword search across all subreddits
search_advanced	Advanced search with subreddit filter & NSFW toggle
comments_live	Global comment firehose across all of Reddit
subreddit_rules	Get subreddit rules list
subreddit_moderators	Get subreddit moderator list
subreddit_sticky	Get stickied/pinned posts
subreddit_wiki	Get a subreddit wiki page
subreddit_wiki_pages	List all wiki pages in a subreddit
subreddit_sidebar	Get subreddit sidebar content
domain	Get all posts linking to a specific domain
duplicates	Get crosspost duplicates of a submission
subreddits	Get subreddit listings by category
subreddits_search	Search subreddits by name/description
subreddit_autocomplete	Autocomplete subreddit names
by_id	Bulk lookup by fullnames (t3_abc, t1_def)

API Key

Get your free API key at sylvia-api.com. Free tier includes 480 requests/minute with $0.50 starting credit.

Data Layer

Data layer: Sylvia API — no OAuth Reddit data.

License

MIT © 2026 Sylvia API