CapabilitiesWays to drive it
Files over the API
Read and write files in the sandbox through the SDK or API.
Short answer: 16 of 16 providers offer it fully: Agent 37, Blaxel, Boat, Cloudflare Sandbox, Daytona, E2B, InstaBox, Lizard, Modal, Morph, Runtime, Sandboxer, Sprites, Tensorlake, Vercel Sandbox and boxd. Checked 29 October 2026.
Who offers it
Part of Ways to drive it, which explains why it matters.
Fully: Agent 37, Blaxel, Boat, boxd, Cloudflare Sandbox, Daytona, E2B, InstaBox, Lizard, Modal, Morph, Runtime, Sandboxer, Sprites, Tensorlake and Vercel Sandbox.
- Agent 37Yes
Browse, read, write, move and delete files over the instance URL.
docs-confirmed “Files live on the instance's disk.” Source
- BlaxelYes
A file system interface from the SDK, MCP server or REST API.
docs-confirmed “Read, write, list, and delete files inside a Blaxel sandbox using a simple file system interface from the SDK, MCP server, or REST API.” Source
- BoatYes
Read and write files over the API without SSH.
docs-confirmed “reading and writing files in a sandbox without SSH” Source
- boxdYes
Upload and download from the SDKs or the console, with no size cap.
docs-confirmed “Uploads and downloads have no size cap.” Source
A Files class moves files between the Worker and the sandbox.
docs-confirmed “The `Files` class from `@cloudflare/sandbox` moves files between your Worker and a running sandbox, and provides common file system operations.” Source
- DaytonaYes
An `fs` module for listing, reading, writing, uploading and downloading.
docs-confirmed “The `fs` module covers listing directories, reading file metadata, creating directories, uploading and downloading files” Source
- E2BYes
Read, write and upload files through the SDK.
docs-confirmed “Read and write files to the sandbox.” Source
- InstaBoxYes
Files endpoints plus `instabox push` and `pull`.
docs-confirmed “GET /v1/machines/{id}/files/content” Source
- LizardYes
`sandbox.fs` reads and writes text and bytes.
docs-confirmed “Write text or bytes; create parent directories.” Source
- ModalYes
Read files up to 5 GB and write files of any size.
docs-confirmed “These APIs may be used to read files of up to 5GB and write files of any size.” Source
- MorphYes
Upload and download files and directories through the SDK.
docs-confirmed “Upload a local file to the instance” Source
- RuntimeYes
`sbx.files.upload` and `download` move files and folders.
docs-confirmed “await sbx.files.upload(project, "/workspace/project");” Source
- SandboxerYes
The API reads and writes files, and `sbx scp` moves them.
docs-confirmed “read and write files;” Source
- SpritesYes
Files persist on disk and `--file` uploads before a command runs.
docs-confirmed “`--file <source:dest>` - Upload file before exec (repeatable)” Source
- TensorlakeYes
Copy, read, write and list files over the API.
docs-confirmed “## Write Files” Source
`readFile` and `writeFiles` on the sandbox object.
docs-confirmed “sandbox.readFile()” Source
Related
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