Agent skill
A package of instructions and files, written in an open text-based format, that an agent loads only when a task needs it.
Also called
- Skills
- SKILL.md
- Playbooks
Kind of
- Agent harness The structure around a model that turns it into one working agent: its interface, agent loop, own context and memory, permissions, and list of allowed tools.
Often confused with
- Tool A single action, such as running a task or a function, that an agent can call.
- Prompt template A shared prompt with sections that a person or a program fills in before sending.
Related
- System prompt A prompt written by the developer or vendor, not the user, that the app sends alongside every user-supplied prompt to set the model's role, rules, and tone.
How it connects
- Agent skill loaded into Agent harness