Execute and test code across languages
code-runnerskillsetup L2★938
fastclaw-ai/fastclaw ↗What it does
Execute Python, JavaScript, shell code with auto package installation and error recovery
Best for
Fast prototyping inside agent contexts where you need one-shot execution without setup.
Inputs
- · code snippet or script filename
Outputs
- · stdout output
- · exit code
Requires
- · Python 3
- · Node.js
- · Bash
- · pip
- · npm
Preconditions
Sandbox environment with shell execution allowed
Failure modes
- · Missing package → auto-installs
- · Syntax error → auto-retried after fix
Trust signals
- · Automatic package detection
- · Error retry after fix
- · Multi-language support