Features
Headless spreadsheet engine for deterministic calculations
Direct LLM tool calls for spreadsheet operations (goal seek, what-if)
Full compatibility with Excel (.xlsx) and Google Sheets
React-based spreadsheet viewer and editor components
Excel add-in framework with domain skills
Goal seek and iterative calculation support
Real-time recalculation of hundreds of cells
Agentic spreadsheet skills (npx skills add GRID-is/skills)
Drag-and-drop .xlsx file support
Download updated .xlsx after edits
Web crawling and scraping API with Rust engine
AI Studio for natural language crawling (add-on $6/mo)
Browser AI commands via WebSocket: Act, Extract, Observe
Silk custom AI model for extraction and captcha solving
Browser Cloud with stealth anti-detection
Structured output: markdown, HTML, JSON, CSV, XML, plain text
Screenshot capture of pages
Link extraction from pages
Search endpoint for query-based data retrieval
Unblocker with rotating proxies and automatic retries
1,000+ ready-made scraper examples (32 categories)
Data connectors: S3, GCS, Google Sheets, Azure Blob, Supabase
Respects robots.txt (configurable)
Failed requests not billed
Open-source core available on GitHub
