> ## Documentation Index
> Fetch the complete documentation index at: https://docs.jaasskills.com/llms.txt
> Use this file to discover all available pages before exploring further.

# ID & version policy

> Naming and immutability rules for a skill

* **ID format:** `vendor.domain.capability` or `org.category.name`
* **Version format:** strict SemVer
* A duplicate `id + version` publish attempt always returns **409 Conflict** — versions are immutable, never overwritten