Spider Cloud

MCP server for the Spider web crawling and scraping API. Crawl, scrape, search, and extract web data for AI agents, RAG pipelines, and LLMs.

Setup

1. Get your API key

Sign up at spider.cloud and get your API key from the API Keys page.

2. Configure your MCP client

Claude Desktop

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "spider": {
      "command": "npx",
      "args": ["-y", "spider-cloud-mcp"],
      "env": {
        "SPIDER_API_KEY": "your-api-key"
      }
    }
  }
}

Claude Code

claude mcp add spider -- npx -y spider-cloud-mcp

Then set your API key in the environment or .env file:

SPIDER_API_KEY=your-api-key

Cursor

Add to your Cursor MCP settings:

{
  "mcpServers": {
    "spider": {
      "command": "npx",
      "args": ["-y", "spider-cloud-mcp"],
      "env": {
        "SPIDER_API_KEY": "your-api-key"
      }
    }
  }
}

Tools

Core Tools

AI Tools (Subscription Required)

These tools require an active AI subscription plan.

Examples

Crawl a website to markdown

Use spider_crawl to crawl https://example.com with limit 10 and return_format "markdown"

Search the web

Use spider_search to search for "latest AI research papers" with fetch_page_content true and num 5

AI-powered extraction

Use spider_ai_scrape on https://news.ycombinator.com with prompt "Extract all article titles, URLs, points, and comment counts as structured JSON"

Check credits

Use spider_get_credits to check my balance

API Reference

Full API documentation: spider.cloud/docs/api

License

MIT