Key Limitation of Claude’s Code Execution Sandbox Tool?
Claude Code Execution runs in isolated Docker with zero network access for security—core limit vs custom tools, no user environments needed.
Question
What is a key limitation of Claude’s Code Execution tool?
A. It can only run JavaScript code
B. It has no network access and runs in an isolated Docker container
C. It requires users to provide their own execution environment
D. It can only process text files
Answer
B. It has no network access and runs in an isolated Docker container
Explanation
Claude’s Code Execution tool—a built-in feature for running Bash commands, file operations, and computations—operates in a secure, sandboxed Docker container with no outbound network access, preventing external API calls, downloads, or internet dependencies to mitigate security risks while enabling safe prototyping of data analysis, plotting, or script testing. Users don’t provide environments (C, fully managed by Anthropic), it supports multiple languages beyond JavaScript (A, primarily Bash/Python), and handles diverse file types (D, text/binary within workspace)—this isolation is the defining limitation distinguishing it from custom tools requiring your own execution infrastructure.