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Container Use

автор dagger · dagger/container-use

Isolated, parallel containerized environments for coding agents.

Container Use gives every coding agent its own ephemeral container — so multiple Claude sessions can build, test, and run the same repo at the same time without stepping on each other. Built on Dagger; each environment has its own filesystem, branch, and process tree.

Зачем использовать

Ключевые функции

Живое демо

Как выглядит на практике

container-use-mcp.replay ▶ готово
0/0

Установка

Выберите клиент

~/Library/Application Support/Claude/claude_desktop_config.json  · Windows: %APPDATA%\Claude\claude_desktop_config.json
{
  "mcpServers": {
    "container-use-mcp": {
      "command": "cu",
      "args": [
        "mcp"
      ]
    }
  }
}

Откройте Claude Desktop → Settings → Developer → Edit Config. Перезапустите после сохранения.

~/.cursor/mcp.json · .cursor/mcp.json
{
  "mcpServers": {
    "container-use-mcp": {
      "command": "cu",
      "args": [
        "mcp"
      ]
    }
  }
}

Cursor использует ту же схему mcpServers, что и Claude Desktop. Конфиг проекта приоритетнее глобального.

VS Code → Cline → MCP Servers → Edit
{
  "mcpServers": {
    "container-use-mcp": {
      "command": "cu",
      "args": [
        "mcp"
      ]
    }
  }
}

Щёлкните значок MCP Servers на боковой панели Cline, затем "Edit Configuration".

~/.codeium/windsurf/mcp_config.json
{
  "mcpServers": {
    "container-use-mcp": {
      "command": "cu",
      "args": [
        "mcp"
      ]
    }
  }
}

Тот же формат, что и Claude Desktop. Перезапустите Windsurf для применения.

~/.continue/config.json
{
  "mcpServers": [
    {
      "name": "container-use-mcp",
      "command": "cu",
      "args": [
        "mcp"
      ]
    }
  ]
}

Continue использует массив объектов серверов, а не map.

~/.config/zed/settings.json
{
  "context_servers": {
    "container-use-mcp": {
      "command": {
        "path": "cu",
        "args": [
          "mcp"
        ]
      }
    }
  }
}

Добавьте в context_servers. Zed перезагружается автоматически.

claude mcp add container-use-mcp -- cu mcp

Однострочная команда. Проверить: claude mcp list. Удалить: claude mcp remove.

Сценарии использования

Реальные сценарии: Container Use

Try three refactoring approaches in parallel, keep the best

👤 Engineers exploring design space ⏱ ~15 min intermediate

Когда использовать: You have 3 different ideas for a refactor and want to see all of them run/pass tests before picking one.

Предварительные требования
  • Server/skill installed and authenticated — See repo README
Поток
  1. Spin up three isolated envs
    Create three container-use environments named refactor-a/b/c, all on this repo at HEAD.✓ Скопировано
    → Three env_ids printed
  2. Apply each approach in its own env
    In refactor-a do the strategy-pattern version; in -b inline everything; in -c extract a service object. Run the full test suite in each. Report pass/fail and diff size.✓ Скопировано
    → Per-env test summary and diff stats
  3. Pick the winner and merge
    Apply the diff from refactor-b to my working copy. Discard the other two environments.✓ Скопировано
    → Patch applied locally

Итог: Three real experiments evaluated side-by-side without ever breaking your host repo.

Подводные камни
  • Forgetting to discard old envs leaks disk — Forgetting to discard old envs leaks disk — cu environment list then cu environment discard <id> periodically.
Сочетать с: github · filesystem

Комбинации

Сочетайте с другими MCP — эффект x10

container-use-mcp + github

Pair with github for complementary capabilities

Use this server together with github to complete a multi-step task.✓ Скопировано
container-use-mcp + filesystem

Pair with filesystem for complementary capabilities

Use this server together with filesystem to complete a multi-step task.✓ Скопировано

Инструменты

Что предоставляет этот MCP

ИнструментВходные данныеКогда вызыватьСтоимость
environment_create name: str, image: str Start a fresh sandbox for the next task Local CPU/disk
environment_run_cmd env_id, cmd Execute build/test commands inside the sandbox free
environment_file_write env_id, path, contents Apply edits without touching the host free
environment_diff env_id Review the agent's work before merging back free

Стоимость и лимиты

Во что обходится

Квота API
See provider docs for rate limits
Токенов на вызов
Varies by tool
Деньги
See repo README for pricing details
Совет
Cache tool results and avoid repeated identical calls.

Безопасность

Права, секреты, радиус поражения

Хранение учётных данных: Use environment variables; never commit secrets
Исходящий трафик: Tool calls go to the provider's API as documented

Устранение неполадок

Частые ошибки и исправления

docker daemon not running

Container Use requires a local Docker or compatible runtime. Start Docker Desktop or colima.

Проверить: Run `docker ps` successfully
out of disk

Old environments aren't auto-pruned. Run cu environment list then cu environment discard <id> for anything older than a day.

Проверить: Check `docker system df`

Альтернативы

Container Use в сравнении

АльтернативаКогда использоватьКомпромисс
Dagger CloudYou want hosted, multi-tenant agent envsPaid; container-use is local-first

Ещё

Ресурсы

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