# What is Session Storage?



Acontext provides unified storage for everything your agent needs — messages, files, skills, and sandboxes — all accessible through one backend.

<CardGroup cols="2">
  <Card title="Messages" icon="messages" href="/store/messages/multi-provider">
    Store and retrieve LLM messages in OpenAI, Anthropic, or Gemini format with automatic conversion.
  </Card>

  <Card title="Disk" icon="hard-drive" href="/store/disk">
    S3-backed file storage with paths, metadata, and secure download URLs.
  </Card>

  <Card title="Agent Skills" icon="book" href="/store/skill">
    Upload and manage reusable skill packages that agents can discover and use.
  </Card>

  <Card title="Sandbox" icon="terminal" href="/store/sandbox">
    Isolated containers for executing shell commands and running code securely.
  </Card>

  <Card title="Per-User Resources" icon="users" href="/store/per-user">
    Associate sessions, disks, and skills with user identifiers for multi-tenant apps.
  </Card>

  <Card title="End-to-End Encryption" icon="lock" href="/security/encryption">
    Enable per-project encryption so stored data is encrypted with a key only you possess.
  </Card>
</CardGroup>