@sylvia-api/reddit-mcp

@sylvia-api/reddit-mcp

MCP server for Reddit data. Subreddits, users, search, live comments, threads, and more. No OAuth required.

Install

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

Or run directly with npx:

npx @sylvia-api/reddit-mcp

Get an API key

Sign up at sylvia-api.com — free tier includes 480 req/min.

Configure

Set the SYLVIA_API_KEY environment variable:

export SYLVIA_API_KEY=syl_your_key_here

Claude Desktop

Add to your claude_desktop_config.json:

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

Cursor / Windsurf / VS Code

Add to your MCP settings:

{
  "sylvia": {
    "command": "npx",
    "args": ["-y", "@sylvia-api/reddit-mcp"],
    "env": {
      "SYLVIA_API_KEY": "syl_your_key_here"
    }
  }
}

Tools

Tool	Description
subreddit_about	Subreddit metadata (members, description, NSFW)
subreddit_posts	Post listings (hot, new, top, rising, controversial)
subreddit_comments_live	Real-time comment stream for a subreddit
subreddit_rules	Subreddit rules
subreddit_moderators	Moderator list
subreddit_sticky	Stickied/pinned posts
subreddit_wiki	Wiki page content
subreddit_wiki_pages	List of all wiki pages
subreddit_sidebar	Sidebar content
subreddit_autocomplete	Subreddit name autocomplete
user_about	User profile (karma, account age)
user_posts	User's post history
user_comments	User's comment history
user_overview	Combined activity feed
submission	Fetch a post by URL
comment	Fetch a comment by URL
thread	Full thread with ALL nested comments
search	Global keyword search across Reddit
search_advanced	Advanced search with subreddit filter
comments_live	Global comment firehose
domain	Posts linking to a domain
duplicates	Crosspost duplicates
subreddits	Browse subreddits by category
subreddits_search	Search subreddits
by_id	Bulk lookup by fullname (t3_, t1_, t5_)

Pricing

The MCP server is free and open source. Sylvia API charges per request:

Request type	Cost
Standard (subreddit, user, thread)	$0.0005
Premium (search, live comments)	$0.05

Free tier: $0.50 credit on signup (1,000 standard requests).

License

MIT