Summarize URLs or files with the summarize CLI (web, PDFs, images, audio, YouTube).
- Initial release of the Summarize skill. - Supports summarizing web URLs, PDFs, images, audio files, and YouTube links via the CLI. - Allows choosing models from OpenAI, Anthropic, xAI, or Google Gemini; defaults to Gemini 3 Flash Preview. - Includes flexible output controls (summary length, token limits, JSON output). - Provides fallback extraction via Firecrawl and YouTube extraction with Apify. - Configurable using API keys and optional config file.