# Documentation index

- [Building Blender extensions](blender-extension-guide.md): package layout,
  manifests, permissions, registration, operators, UI, safe data handling,
  storage, dependencies, builds, and installation.
- [Material ID Baker](material-id-baker.md): installation, settings, Substance
  Painter workflow, GLB export, recovery workflow, and troubleshooting.
- [Blender Python API notes](blender-api-notes.md): context and mode pitfalls,
  data-block ownership, lifecycle cleanup, evaluated meshes, materials, images,
  baking, file effects, and compatibility probes.
- [Testing and releasing](testing-and-releasing.md): headless smoke tests,
  manifest/package validation, isolated installs, manual coverage, semantic
  versions, release checks, and system deployment.

These guides target modern add-on extensions in Blender 5.x. Repository-wide
contributor requirements live in [AGENTS.md](../AGENTS.md).