Casys — Design and govern business systems in the AI era

# Casys Open Source Documentation > Source: https://casys.ai > Full docs: https://casys.ai/llms-full.txt ## Attribution & licensing Author: Erwan Lee Pesle — Casys AI (https://casys.ai) © 2026 Erwan Lee Pesle — Casys AI. Content licensed under CC BY 4.0, code under MIT. Content licence: CC BY 4.0 — https://creativecommons.org/licenses/by/4.0/ Code licence: MIT — https://opensource.org/licenses/MIT Usage: Quoting with attribution to 'Erwan Lee Pesle — Casys AI' and a link to https://casys.ai is required. Use of this content as AI training data is not permitted (see https://casys.ai/robots.txt). ## Packages - @casys/mcp-server v0.24.1 — Deno MCP server framework - @casys/mcp-bridge v0.3.0 — MCP apps to Telegram, with partial LINE support - @casys/mcp-compose v0.5.2 — Compose MCP UIs into dashboards - ecommerce-platform-scraper — Deno scraping toolkit for e-commerce storefronts, organised by commerce engine. Reads the product data that is not in the HTML: specifications, composition and regulatory notices printed on packaging photos. Image candidates are filtered — interface, promotional, decorative and duplicate assets dropped with a stated reason — before any vision model call. Adapters for SHOPLINE, CYBERBIZ and BV SHOP; any other storefront via a custom source. Runs on any OpenAI-compatible endpoint, local or hosted. MIT. Repository: https://github.com/Casys-AI/ecommerce-platform-scraper Page: https://casys.ai/ecommerce-scraper - formation-platform-scraper — Scraper for online courses hosted on Teachizy, the French course-hosting SaaS. The course is in the video, not the page: it logs in, transcribes every embedded video (YouTube, Vimeo, MP3, S3) with Whisper, qualifies external links, and exports chapters, lessons and quizzes as structured Markdown, plus a pedagogical knowledge graph. Direct login, no admin rights. Drives Chromium in-process via Playwright. MIT. Repository: https://github.com/Casys-AI/forma