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Cloud sandboxes run as isolated Linux containers on Anthropic-managed infrastructure. They come pre-installed with a comprehensive set of programming languages, databases, and utilities. The agent can use these immediately without any installation steps.

These specifications apply to cloud environments. Self-hosted sandboxes run on your infrastructure with whatever your worker provides.

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All Managed Agents API requests require the managed-agents-2026-04-01 beta header. The SDK sets the beta header automatically.

Programming languages

Language	Version	Package manager
Python	3.12+	pip, uv
Node.js	20+	npm, yarn, pnpm
Go	1.22+	go modules
Rust	1.77+	cargo
Java	21+	maven, gradle
Ruby	3.3+	bundler, gem
PHP	8.3+	composer
C/C++	GCC 13+	make, cmake

Databases

Database	Description
SQLite	Pre-installed, available immediately
PostgreSQL client	`psql` client for connecting to external databases
Redis client	`redis-cli` for connecting to external instances

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Database servers (such as PostgreSQL and Redis) are not running in the sandbox by default. The sandbox includes client tools for connecting to external database instances. SQLite is fully available for local use.

Utilities

System tools

git - Version control
curl, wget - HTTP clients
jq - JSON processing
tar, zip, unzip - Archive tools
ssh, scp - Remote access (requires network enabled)
tmux, screen - Terminal multiplexers

Development tools

make, cmake - Build systems
docker - Container management (limited availability)
ripgrep (rg) - Fast file search
tree - Directory visualization
htop - Process monitoring

Text processing

sed, awk, grep - Stream editors
vim, nano - Text editors
diff, patch - File comparison

Sandbox specifications

Property	Value
Operating system	Ubuntu 22.04 LTS
Architecture	x86_64 (amd64)
Memory	Up to 8 GB
Disk space	Up to 10 GB
Network	Disabled by default (enable in environment config)

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URL: https://platform.claude.com/docs/en/managed-agents/cloud-sandboxes-reference