# Workblock LLM NVIDIA cluster directory > Directory-style view and public JSON API for current NVIDIA cluster Grafana-backed metric actions. ## Read first - [Directory Markdown](https://llm.ktortolini.dev/index.md): overview, canonical links, and API guidance. - [Directory JSON](https://llm.ktortolini.dev/api/nvidia-cluster/directory): fetch when you need the current nested action tree. - [Actions JSON](https://llm.ktortolini.dev/api/nvidia-cluster/actions): fetch when you need paginated action records. ## Capability documents - [API catalog](https://llm.ktortolini.dev/.well-known/api-catalog): public API catalog and support links. - [OpenAPI](https://llm.ktortolini.dev/.well-known/openapi.json): JSON route contract. - [Agent skills](https://llm.ktortolini.dev/.well-known/agent-skills/index.json): supported read-only agent workflows. ## Access policy - Public content may be used for search and AI input or grounding. - Public content is not licensed for AI training by this robots policy. - Font token routes and static build assets are not useful reading targets.