GitHub published a guide explaining how to create agent skills that capture repeatable engineering tasks in versioned files. The article defines an agent skill as a directory centered on a SKILL.md file that describes when and how to perform a specific job. It uses examples like Proof Agent and Data Forge to show how to coordinate multiple skills for larger workflows while keeping project configuration separate. The guide recommends using manifests for project details and shared execution paths to ensure skills remain portable across different agent clients. Developers are advised to start with tasks they frequently explain and to include human checkpoints for critical decisions.
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