Agency skills marketplace — Claude Code skills collection
Claude Code skills for Evidence.dev — 9 skills covering SQL queries, charts, data components, maps, UI, data sources, CLI and custom Svelte components
Claude Code SEO skills — evaluate content against Google Search Quality Evaluator Guidelines (QRG), E-E-A-T, and Needs Met ratings
Claude Code security skills with MCP servers — web technology fingerprinting via WhatWeb and OSINT domain intelligence via theHarvester (Model Context Protocol)