# Capability Registry Markdown-first capability index for federation and reuse planning. ## Authoring 1. Copy a capability entry template (see reuse-surface `templates/capability-entry.template.md`). 2. Add the row to `indexes/capabilities.yaml`. 3. Run `reuse-surface validate` from a checkout with the CLI installed: ```bash cd ~/reuse-surface reuse-surface validate --repo ~/sand-boxer ``` 4. Merge to `main` and verify publish with `reuse-surface establish --publish-check`. sand-boxer v0 maturity (post SAND-WP-0009): D5/A4/C4 — see `registry/capabilities/execution.sandbox-provision.md`. Federation contract: reuse-surface `docs/RegistryFederation.md`.