{ 
  url: string,                              // Required: URL to extract markdown from
  filter?: 'raw'|'fit'|'bm25'|'llm',       // Filter type (default: 'fit')
  query?: string,                           // Query for bm25/llm filters
  cache?: string                            // Cache-bust parameter (default: '0')
}

{ 
  url: string,                   // Required: URL to capture
  screenshot_wait_for?: number   // Seconds to wait before screenshot (default: 2)
}

{ 
  url: string  // Required: URL to convert to PDF
}

{ 
  url: string,                    // Required: URL to load
  scripts: string | string[]      // Required: JavaScript to execute
}

{ 
  urls: string[],           // Required: List of URLs to crawl
  max_concurrent?: number,  // Parallel request limit (default: 5)
  remove_images?: boolean,  // Remove images from output (default: false)
  bypass_cache?: boolean,   // Bypass cache for all URLs (default: false)
  configs?: Array<{         // Optional: Per-URL configurations (v3.0.0+)
    url: string,
    [key: string]: any      // Any crawl parameters for this specific URL
  }>
}

{ 
  url: string,            // Required: URL to crawl
  max_depth?: number,     // Maximum depth for recursive crawling (default: 2)
  follow_links?: boolean, // Follow links in content (default: true)
  bypass_cache?: boolean  // Bypass cache (default: false)
}

{ 
  url: string  // Required: URL to extract HTML from
}

{ 
  url: string,          // Required: URL to extract links from
  categorize?: boolean  // Group by type (default: true)
}

{ 
  url: string,              // Required: Starting URL
  max_depth?: number,       // Maximum depth to crawl (default: 3)
  max_pages?: number,       // Maximum pages to crawl (default: 50)
  include_pattern?: string, // Regex pattern for URLs to include
  exclude_pattern?: string  // Regex pattern for URLs to exclude
}

{ 
  url: string,              // Required: Sitemap URL (e.g., /sitemap.xml)
  filter_pattern?: string   // Optional: Regex pattern to filter URLs
}

{
  url: string,                              // URL to crawl
  // Browser Configuration
  browser_type?: 'chromium'|'firefox'|'webkit'|'undetected',  // Browser engine (undetected = stealth mode)
  viewport_width?: number,                  // Browser width (default: 1080)
  viewport_height?: number,                 // Browser height (default: 600)
  user_agent?: string,                      // Custom user agent
  proxy_server?: string | {                 // Proxy URL (string or object format)
    server: string,
    username?: string,
    password?: string
  },
  proxy_username?: string,                  // Proxy auth (if using string format)
  proxy_password?: string,                  // Proxy password (if using string format)
  cookies?: Array<{name, value, domain}>,   // Pre-set cookies
  headers?: Record<string,string>,          // Custom headers
  
  // Crawler Configuration
  word_count_threshold?: number,            // Min words per block (default: 200)
  excluded_tags?: string[],                 // HTML tags to exclude
  remove_overlay_elements?: boolean,        // Remove popups/modals
  js_code?: string | string[],              // JavaScript to execute
  wait_for?: string,                        // Wait condition (selector or JS)
  wait_for_timeout?: number,                // Wait timeout (default: 30000)
  delay_before_scroll?: number,             // Pre-scroll delay
  scroll_delay?: number,                    // Between-scroll delay
  process_iframes?: boolean,                // Include iframe content
  exclude_external_links?: boolean,         // Remove external links
  screenshot?: boolean,                     // Capture screenshot
  pdf?: boolean,                           // Generate PDF
  session_id?: string,                      // Reuse browser session (only works with crawl tool)
  cache_mode?: 'ENABLED'|'BYPASS'|'DISABLED',  // Cache control
  
  // New in v3.0.0 (Crawl4AI 0.7.3/0.7.4)
  css_selector?: string,                    // CSS selector to filter content
  delay_before_return_html?: number,        // Delay in seconds before returning HTML
  include_links?: boolean,                  // Include extracted links in response
  resolve_absolute_urls?: boolean,          // Convert relative URLs to absolute
  
  // LLM Extraction (REST API only supports 'llm' type)
  extraction_type?: 'llm',                  // Only 'llm' extraction is supported via REST API
  extraction_schema?: object,               // Schema for structured extraction
  extraction_instruction?: string,          // Natural language extraction prompt
  extraction_strategy?: {                   // Advanced extraction configuration
    provider?: string,
    api_key?: string,
    model?: string,
    [key: string]: any
  },
  table_extraction_strategy?: {             // Table extraction configuration
    enable_chunking?: boolean,
    thresholds?: object,
    [key: string]: any
  },
  markdown_generator_options?: {            // Markdown generation options
    include_links?: boolean,
    preserve_formatting?: boolean,
    [key: string]: any
  },
  
  timeout?: number,                         // Overall timeout (default: 60000)
  verbose?: boolean                         // Detailed logging
}

{ 
  action: 'create' | 'clear' | 'list',    // Required: Action to perform
  session_id?: string,                    // For 'create' and 'clear' actions
  initial_url?: string,                   // For 'create' action: URL to load
  browser_type?: 'chromium' | 'firefox' | 'webkit' | 'undetected'  // For 'create' action
}

// Create a new session
{ action: 'create', session_id: 'my-session', initial_url: 'https://example.com' }

// Clear a session
{ action: 'clear', session_id: 'my-session' }

// List all sessions
{ action: 'list' }

{ 
  url: string,          // URL to extract data from
  query: string         // Natural language extraction instructions
}