FerretForge Design, scan, and deploy AI agent skills across platforms

FerretForge is a development platform for building, scanning, sharing, and deploying AI agent skills across 17 platforms including Claude Code, Cursor, Windsurf, Aider, Cline, and MCP. The tool includes an 80+ rule security scanner powered by ferret-scan that detects prompt injection, credential exposure, and other vulnerabilities in real time. FerretForge measures skill quality through clarity, completeness, specificity, and compliance scoring, and provides AI-powered improvement suggestions with platform-aware, line-level recommendations. A skill marketplace allows users to discover, adopt, fork, and publish reusable AI skills with trending templates and community contributions. The platform supports cross-platform conversion with per-variant fidelity scores and conversion warnings when targeting different agent platforms. FerretForge offers a free tier with unlimited local scans and 5 AI coaching calls per day, with a Starter plan at $19 per month for expanded coaching and GPT-4o-mini integration.