cloudflare/sandbox-sdk
Sandbox Sdk
The sandbox-sdk is a development kit designed for building secure, isolated execution environments on a global edge network. It provides a framework for creating ephemeral, containerized workspaces that allow developers to run untrusted code, manage build tasks, and host automated scripts without compromising host system security. By leveraging a serverless runtime, the platform enables the deployment of these environments directly at the network edge to ensure low-latency performance.
The platform distinguishes itself by integrating language models with sandboxed execution, facilitating the development of autonomous AI agents that can perform dynamic tasks and generate code. It includes specialized features for interactive remote development, such as persistent terminal sessions and real-time stream multiplexing, which allow for active debugging and observation of processes. Security is managed through automated credential injection and network access controls, ensuring that sensitive authentication tokens remain hidden from the code running within the sandbox.
Beyond its core execution capabilities, the platform supports a broad range of workflows including web application hosting, automated build pipelines, and remote filesystem management. It provides tools for mapping internal container services to public-facing subdomains, enabling secure remote access to hosted services. The system also includes observability features to capture runtime diagnostics and caching mechanisms to accelerate development cycles by reusing build artifacts.
Features
- AI Coding Agent Platforms - Hosts pre-configured artificial intelligence assistants within a secure sandbox to automate development workflows.
- Code Execution Sandboxes - Runs untrusted code within isolated, ephemeral containers on a global network to prevent unauthorized access to host resources.
- AI Agent Tool Integrations - Connects language models to custom functions and sandboxed environments to enable automated code generation and agentic task execution.
- AI Model Integrations - Connects language models to custom functions for dynamic code execution and agentic task processing.
- AI Agent Development Tools - Provides a framework for integrating language models with sandboxed code execution to enable autonomous agentic workflows.
- Remote Development Environments - Provides persistent, browser-based terminal sessions and file system access for real-time coding, debugging, and remote development.
- Distributed Edge Compute Platforms - Deploys and manages secure, isolated code execution environments directly on a global edge network.
- Edge Function Runtimes - Distributes execution environments across a global network to minimize latency by running code closer to the user.
- Ephemeral Task Containers - Executes untrusted code within short-lived, secure containers that are destroyed after tasks complete.
- Edge Web Application Hosting - Runs full-featured web applications within secure edge containers while proxying traffic for safe remote access.
- Sandboxed Code Execution Environments - Provides isolated containerized workspaces designed to run untrusted code, build tasks, and automated scripts securely.
- Credential Injection Proxies - Intercepts outbound network requests to inject authentication tokens, keeping sensitive secrets hidden from the sandbox.
- Sandboxed Execution Environments - Creates and manages secure, ephemeral execution containers on the edge network to run untrusted code safely.
- Virtual Filesystems - Maps remote storage and repositories into a local directory structure for seamless data access within isolated environments.
- Repository Synchronization - Synchronizes file changes and repository metadata between isolated execution environments and remote version control systems.
- Shell Command Execution - Executes arbitrary terminal commands within an isolated environment, streaming output back to the host in real-time.
- Build Task Execution - Runs compilers and bundlers within secure containers to transform source code into executable artifacts.
- Cloud Storage Integrations - Mounts remote object storage buckets as local filesystem paths for seamless data access within isolated environments.
- Build Environment Isolation - Executes compilers, bundlers, and build scripts within secure containers to transform source code into artifacts without exposing the host system.
- Cloudflare Workers Implementations - Leverages a serverless runtime for executing code at the network edge with low latency and high scalability.
- Web Service Deployments - Hosts full-featured web applications and services within secure edge containers with public-facing access for testing and deployment.
- Bidirectional WebSocket Streaming - Maintains persistent bidirectional channels to stream terminal output, file events, and logs between the sandbox and client.
- Container Port Mapping - Exposes internal container services to the public internet by dynamically routing traffic from subdomains to isolated ports.
- Authenticated Proxy Exposure - Maps internal container ports to public-facing subdomains or preview URLs with optional token-based authentication for secure remote access.
- Proxy-Based Credential Injection - Intercepts outbound network requests to inject authentication tokens at the edge, keeping secrets hidden from the sandbox.
- Kernel Task Execution Isolations - Runs automated scripts and long-running computational tasks within secure, isolated containers to maintain system stability.
- Network Access Control - Limits container connectivity to specific allow-listed APIs to prevent unauthorized external communication.
- Process Sandboxes - Provides an interface to control remote code execution, file operations, and process lifecycles within an isolated container.
- Sandbox Filesystem Access Handles - Provides programmatic read and write access to files within isolated sandboxes to support data handling.
- AI Provider Gateways - Proxies model requests through a centralized gateway to manage traffic, monitor usage, and enforce rate limits.
- Interactive CLI Sessions - Enables full terminal sessions with resize handling for direct user interaction and command execution.
- Real-Time Communication - Provides persistent bidirectional network channels for real-time data streaming and interactive sessions.
