agent skill — A reusable instruction file that teaches an agent how to do one job well — the procedure, the tools, and what counts as done.
eval — A repeatable test for AI quality — a set of tasks plus scoring — used the way software teams use test suites, because model output is too variable to judge by eyeballing.
AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.
Why it matters
AI agentAn AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.Full definition → skills usually encode tool usage, not the procedural judgment a field accepts. This library packages 163 domain procedures as versioned instruction files an agent loads only when a task calls for them, a pattern worth copying beyond science.
articleAgentLogs: A Dataset for Opening the Black Box of GitHub's Cloud AgentJonan Richards, Kosei Horikawa, Youmei Fan, Yutaro Kashiwa, Mairieli Wessel
articleBetter, Faster, Stronger: Programmatic Skill Learning Best Reduces Agent CostZixi Huang, Xiheng Wang, Andrew Wang, William Jurayj, Bernal Jim\'enez Guti\'errez, Daniel Khashabi, Nicholas Andrews
articleResearch Assistant: AstraZeneca's Agentic System for R&DPiotr Grabowski, Mohamed Alameen, Jorge Bretones, Sabina Cardell, Miguel Carmona, Gavin Edwards, Ben Grainger, Sameh Hassan, Erik Jansson, Artur Kuziakhmetov, Albert Maristany, Hebatallah Mohamed, Andriy Nikolov, Sebastian Nilsson, Mark O'Donoghue, James Pacileo, Ashiq Sultan, Alex Voegele, Michael Ughetto