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Start with the page that matches the task you are trying to complete:

• Runtime and Script for direct execution.
• Environment and CLI for dependency workflows.
• MCP Apps for widgets and Python MCP tools.
• AI agents for Pydantic AI run_typescript and LangChain run_code.
• Troubleshooting for common errors.

If the docs do not answer your question, include these details in a reproducible bug report:

• Belgie version and Python version.
• Operating system and architecture.
• The smallest script or project that reproduces the issue.
• The complete error message and the command that produced it.
• Whether the issue occurs in sync, async, CLI, MCP, or agent execution.

Search existing issues first, then open a report in the Belgie repository.