Universal SEO skill for Claude Code. 26 sub-skills + 19 sub-agents covering technical SEO, E-E-A-T, schema, GEO/AEO, agent readiness (Lighthouse Agentic Browsing, WebMCP, llms.txt), backlinks, local SEO, e-commerce, international SEO, Google APIs, and PDF/Excel reporting. 9 optional extensions for live SEO data.
Free open public domain football datasets in the Football.TXT format for the World Cup (incl. Canada/USA/Mexico 2026, Qatar 2022, Russia 2018, Brazil 2014, etc.) and World Cup Quali(fiers)
3D & AR SDK for Android (Jetpack Compose + Filament), iOS (SwiftUI + RealityKit), and Web. AI-first: llms.txt, MCP server, Copilot/Cursor rules. The only Compose-native 3D library.
ChatWeb can crawl web pages, read PDF, DOCX, TXT, and extract the main content, then answer your questions based on the content, or summarize the key points.
An open-source read-along document reader server with high-quality TTS options, synchronized highlighting, and audiobook export for EPUB, PDF, DOCX, TXT, and MD.
🏆 Ranked list of 167 AI agent harnesses, plus copy-paste templates (AGENTS.md, safe Claude Code settings, a minimal harness) and step-by-step playbooks. MCP server, llms.txt & JSON. Rescored weekly.
Python CLI toolkit for payment QA: generate and validate synthetic Luhn-valid card numbers by brand, BIN, or custom pattern. Supports Visa, Mastercard, Amex, Discover and more, plus BIN/IIN lookup, expiry/CVV checks, bulk validation, masking, and TXT/CSV/JSON export. Offline and cross-platform.