fastclaw-ai/fastclaw/code-runner

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Execute code in multiple programming languages. Use when the user asks to run, test, or debug code in Python, JavaScript, shell, or other languages.

Install

npx vskill@latest install fastclaw-ai/fastclaw/code-runner

SKILL.md

Code Runner Skill

Execute code using the exec tool in the sandbox environment.

Available Languages

Python 3
bash
python3 -c "print('hello')"
# Or write to file and run:
python3 script.py

Install packages with: pip install package_name

Shell/Bash
bash
echo "hello" && ls -la
Node.js (install first if needed)
bash
# Install node if not available
apt-get update && apt-get install -y nodejs npm 2>/dev/null || apk add nodejs npm 2>/dev/null
node -e "console.log('hello')"

Guidelines

  • Always execute code immediately — don't just show it
  • For multi-line scripts, use write_file to save then exec to run
  • Install missing packages automatically without asking
  • Show the complete output to the user
  • If code fails, analyze the error and fix it automatically
  • For Python one-liners, use python3 -c "..."
  • For complex scripts, write to a .py file first

Error Handling

  • If a command fails, check the error and try to fix it
  • Common issues: missing packages (install them), syntax errors (fix them), permission denied (use appropriate paths)
  • Always retry at least once after fixing the issue

Security

  • Security scanPassed, 100 of 100Pattern checks on the skill's files.
  • Model reviewNot runA model review is scheduled for the next rescan.

See the full security report

Quality evaluation

  • Task evaluationNot runNo evaluation yet. Run one in Skill Studio.

See evaluation results

Source

Popularity

Repository stars
919
Repository forks
121
7-day trend score
34

Stars and forks are for the whole GitHub repository, not this skill alone. Not refreshed yet.

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