JUST SHIPPED: 8 free Agent skills with evals. 100% free and open-source. Here are my top 3 picks: /advisor-orchestrator-worker Your agent becomes the orchestrator of a three-tier model team. GPT-6 runs the orchestration, Gemini 3.8 does the cheap parallel worker tasks, and Claude Fable 5.1 gets consulted as the advisor. /first-reader Simulates real readers going through your draft and reports where they lose interest, where they stop reading, and what they remember afterward, without…