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Skills

Prompt-only skills your agent loads

Instruction packages (SKILL.md) that teach your agent a capability — writing release notes, reviewing code, structuring plans. No code runs, so no sandbox is needed.

What is a skill?

Instructions, not code

A skill is a SKILL.md document plus manifest. Your agent loads the instructions with load_skill() and applies them — nothing executes.

Safe by construction

The validator enforces that skills carry no entrypoint, no network, no filesystem, no code execution. That's why every skill shows “No sandbox needed”.

Easy to create

Describe it in plain language and the AI Builder writes the SKILL.md — or import a Claude-style SKILL.md via Import.