Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| CRAWL4AI_LANG | No | The language for the interface (e.g., 'en' for English, 'ja' for Japanese) | en |
Capabilities
Features and capabilities supported by this server
| Capability | Details |
|---|---|
| tasks | {
"list": {},
"cancel": {},
"requests": {
"tools": {
"call": {}
},
"prompts": {
"get": {}
},
"resources": {
"read": {}
}
}
} |
| tools | {
"listChanged": true
} |
| prompts | {
"listChanged": false
} |
| resources | {
"subscribe": false,
"listChanged": false
} |
| experimental | {} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| crawl_url | Extract web page content with JavaScript support. Use wait_for_js=true for SPAs. Use content_offset/content_limit for pagination. |
| extract_youtube_transcript | Extract YouTube transcripts with timestamps. Works with public captioned videos. Supports fallback to page crawl. |
| batch_extract_youtube_transcripts | Extract transcripts from multiple YouTube videos. Max 3 URLs per call. |
| get_youtube_video_info | Get YouTube video metadata and transcript availability. |
| process_file | Convert PDF, Word, Excel, PowerPoint, ZIP to markdown. |
| deep_crawl_site | Crawl multiple pages from a site with configurable depth. |
| crawl_url_with_fallback | Crawl with fallback strategies for anti-bot sites. Use content_offset/content_limit for pagination. |
| extract_structured_data | Extract structured data using CSS selectors or LLM. |
| search_google | Search Google with genre filtering. Genres: academic, news, technical, commercial, social. |
| batch_search_google | Perform multiple Google searches. Max 3 queries per call. |
| search_and_crawl | Search Google and crawl top results. Combines search with full content extraction. |
| batch_crawl | Crawl multiple URLs with fallback. Max 3 URLs per call. |
| multi_url_crawl | Multi-URL crawl with pattern-based config. Max 5 URL patterns per call. |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |