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af-jupyterlab-mcp

by maniaclab
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Python
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af-jupyterlab-mcp

MCP-сервер, который позволяет пользователям AF создавать, просматривать и удалять свои собственные пользовательские серверы JupyterLab в кластере Kubernetes UChicago ATLAS Analysis Facility — те же ноутбуки, которые af-portal разворачивает сегодня, представленные как инструменты для LLM.

Архитектура

LLM <--MCP/HTTP--> af-jupyterlab-mcp <--k8s API--> notebook namespace (Pod/Service/Secret/Ingress)
                         ^
                         | Authorization: Bearer <broker-issued JWT>
                         |
              af-mcp-platform credential broker

Фаза 1 (этот репозиторий, сегодня) включает шесть инструментов, которые управляют четверкой Pod/Service/Secret/Ingress для ноутбука, перенесенных из portal/jupyterlab.py af-portal и его четырех шаблонов Jinja. Фаза 2 (отслеживается, еще не построена) добавляет типизированный прокси к Datalayer jupyter-mcp-server, работающему внутри самого ноутбука — см. maniaclab/af-mcp-platform#189.

Related MCP server: jlab-mcp

Структура проекта

src/af_jupyterlab_mcp/
├── cli.py               # argparse: `af-jupyterlab-mcp serve` (HTTP only)
├── config.py            # env-driven Settings: namespace, domain, image allowlist, quotas
├── server.py            # FastMCP setup, lifespan (k8s client + broker verifier), tool registration
├── auth/
│   └── broker.py        # extract_bearer(), get_broker_claims() -- broker-issued JWT verification
├── k8s/
│   ├── errors.py         # GuardrailError, NameConflictError, NotFoundOrNotYoursError, ...
│   ├── guardrails.py     # CPU/memory/duration range + image allowlist validation
│   ├── names.py          # sanitize_k8s_pod_name, name availability, name generation
│   ├── templates.py      # Jinja rendering of the four ported manifests
│   ├── notebooks.py      # create/get/list/delete notebook (ported portal logic)
│   ├── gpu.py            # get_gpu_availability (ported portal logic)
│   └── templates/        # pod.yaml.j2, service.yaml.j2, secret.yaml.j2, ingress.yaml.j2
│                          # (ported verbatim from af-portal/portal/templates/jupyterlab/)
└── tools/
    └── jupyterlab.py     # the six @mcp.tool() functions

Набор инструментов

  • create_jupyter_server

  • list_jupyter_servers

  • get_jupyter_server

  • delete_jupyter_server

  • get_gpu_availability

  • list_supported_images

Владелец каждого сервера всегда определяется как claims.unixname из проверенного JWT брокера — ни один инструмент не принимает аргумент владельца/имени пользователя.

Команды сборки и тестирования

pixi run test          # quick tests
pixi run lint          # pre-commit + pylint
pixi run helm-lint      # lint + smoke-render the Helm chart

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